Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
If you drive a 2015-2019 GMC Sierra 2500 HD, choosing the right tires directly affects towing ability, payload handling, ride comfort, and safety in wet or winter conditions. Heavy-duty trucks have different load and construction demands than light trucks, so fitment, load rating, and tread design matter more here than simple price or appearance.This guide presents seven shortlisted tires that suit the 2500 HD's typical use cases, from worksite duty to long highway hauls. We evaluate each option for load capacity, wet and winter traction, ride comfort, and expected tread life to help you pick the best match for your driving and hauling needs. Read on for the key decision points that should guide your selection.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | MICHELIN Defender LTX M/S2 LT265/70R17 E Load Range E Tire (Single) |  |
| Best Quality Built to a higher standard if you want something more solid | MICHELIN LTX A/T2 LT265/70R17 All-Terrain Light Truck Tire (single) |  |
| Best Value The sweet spot between price and what you get | GT Radial Savero HT2 LT265/70R17 10-Ply All-Season Light Truck Tire |  |
| Best Budget The cheapest option that still gets the job done reliably | Prinx HiCountry HT2 LT245/75R17 Highway All-Season Light Truck Tire (Load Range E) |  |
| Highest Rated A top-rated pick with lots of positive feedback | STARFIRE Solarus HT All-Season LT265/70R17 10‑Ply Light Truck Tire |  |
| Most Popular A crowd favorite that many people choose with confidence | TRAVELSTAR Ecopath AT All-Terrain LT275/70R18 10-Ply Light Truck Tire |  |
| Best Seller A high-volume bestseller chosen again and again | Lexani Terrain Beast AT LT265/70R17 121/118S All-Terrain Tire |  |
1. MICHELIN Defender LTX M/S2 LT265/70R17 E Load Range E Tire (Single)
| Size | LT265/70R17 |
|---|---|
| Load Index | 123 |
| Speed Rating | S |
| Tread Depth | 14 32nds |
| Ply | 10-Ply |
The Michelin Defender LTX M/S2 in LT265/70R17 with Load Range E is a highway-focused light truck tire that prioritizes longevity and a quiet, comfortable ride for heavier pickups. For a 2015-2019 GMC Sierra 2500 HD, this size and load rating match the demands of a large truck that frequently carries heavy loads or tows, delivering stable on-road handling and predictable traction in wet and dry conditions. Notable features include a deep 14/32nds tread depth and a robust 10-ply construction that support long tread life and load capacity, plus a symmetrical tread pattern tuned for reduced road noise. The tire is engineered for year-round use but is not intended for aggressive off-road mud or rock crawling. Expect better durability and comfort than many all-terrain options, at the expense of off-road bite and the more aggressive styling some buyers want. Installation requires matching rims and proper pressure to realize the stated load capacity and mileage warranty.
Best for: Drivers of 2015–2019 GMC Sierra 2500 HD who prioritize long tread life, on-highway comfort, and dependable wet/dry traction while regularly hauling or towing.
Less Ideal for: Owners who frequently take their Sierra 2500 HD on technical off-road trails or who want an aggressive tread appearance should look at more capable all-terrain or mud-terrain tires.
- Designed for long tread life with a deep 14/32nds tread depth
- 10-ply construction and Load Range E for higher load and towing capacity
- Year-round symmetrical tread pattern tuned for quiet, comfortable on-road ride
- 60,000-mile manufacturer mileage warranty for long-term value
- Not optimized for aggressive off-road terrain or heavy mud use
- Lower speed rating and less lateral bite than some sporty or off-road tires
Verdict: A practical choice for Sierra 2500 HD drivers who want a quiet, long-lasting highway tire that handles heavy loads and towing reliably.
2. MICHELIN LTX A/T2 LT265/70R17 All-Terrain Light Truck Tire (single)
| Rim Size | 17 Inches |
|---|---|
| Load Index | 121 |
| Speed Rating | R |
| Load Capacity | 3195 Pounds |
| Tread Depth | 16 32nds |
The Michelin LTX A/T2 LT265/70R17 is an all-terrain light truck tire built to deliver durable traction on gravel, dirt and paved roads while keeping road noise and comfort in check. It is designed for heavy-duty applications with an E load range and 121/118 load index, so it supports the higher carrying capacity required on a 2015–2019 GMC Sierra 2500 HD when fitted to the correct wheel. The aggressive symmetrical tread and 10-ply construction provide strong bite off-road and stable handling on highway runs, while a deep 16/32nds tread depth helps extend tread life for long mileage. Michelin includes roadside assistance and a 60,000-mile treadwear limited warranty, which reflects its focus on longevity and owner support. Trade-offs are typical for this class: the tire is heavier and optimized for load capacity, so steering feel will be firmer than a highway-focused tire and fuel economy may be slightly lower. For drivers who need dependable off-road capability without sacrificing long-term durability, this is a strong choice.
Best for: Buyers who prioritize rugged durability and consistent off-road traction for heavy-duty duty cycles and want a tire that will last through high-mileage use.
Less Ideal for: Drivers who prioritize the quietest possible ride or maximum fuel economy on long highway-only commutes should consider a highway-focused tire instead.
- E load range and 121/118 load index for heavy-duty load carrying
- 10-ply construction and deep 16/32nds tread for durability and long tread life
- All-season tread design that balances on-road comfort with off-road traction
- Includes 60,000-mile treadwear limited warranty and 3-year roadside assistance
- Symmetrical/aggressive tread provides confident grip on gravel and dirt surfaces
- Heavier construction may reduce fuel efficiency compared with highway tires
Verdict: Choose the LTX A/T2 when you need a durable, high-load all-terrain tire that delivers long tread life and reliable off-road traction for a heavy-duty Sierra 2500 HD.
3. GT Radial Savero HT2 LT265/70R17 10-Ply All-Season Light Truck Tire
| Size | LT265/70R17 |
|---|---|
| Load Index | 118 |
| Speed Rating | R |
| Load Range | E |
| Ply | 10-Ply |
The GT Radial Savero HT2 LT265/70R17 is a highway-focused light truck tire built for heavy loads and everyday driving on pavement. Its 10-ply construction and E load range support higher load capacity, while the asymmetrical tread pattern is tuned for stable handling and predictable wet traction. Expect it to be used primarily on highway miles, towing, and hauling where load capacity and long wear are priorities rather than off-road grip. Notable features include a high load index and a tread depth aimed at longevity; GT Radial also backs P-metric sizes with a long limited mileage warranty. Practical benefits for a GMC Sierra 2500 HD from 2015 to 2019 include improved load-carrying confidence, a quiet highway ride compared with aggressive truck tires, and consistent all-season performance. Limitations are that this tire is not optimized for severe off-road conditions or deep snow performance compared with dedicated mud-terrain or winter tires, and the R speed rating is modest compared with higher-speed light truck options.
Best for: Buyers seeking a durable, highway-oriented replacement tire that prioritizes load capacity, long tread life, and a quiet ride for regular towing and commuting on a 2015–2019 GMC Sierra 2500 HD.
Less Ideal for: Drivers who regularly tackle serious off-road trails or who need a dedicated winter tire for prolonged heavy snow conditions should consider specialized off-road or winter options instead.
- 10-ply E load range construction for high load capacity suitable for towing and hauling
- Asymmetrical tread designed for stable handling and improved wet traction on highways
- Year-round tread intended to deliver longer mileage and quieter on-road ride
- Not designed for aggressive off-road traction or deep snow use
Verdict: A practical choice for 2015–2019 GMC Sierra 2500 HD owners who need a highway-focused, high-capacity tire that balances load-carrying ability with long wear and a quiet ride.
4. Prinx HiCountry HT2 LT245/75R17 Highway All-Season Light Truck Tire (Load Range E)
| Size | LT245/75R17 |
|---|---|
| Load Index | 121/118 |
| Speed Rating | S |
| Load Range | E |
| Ply | 10-Ply |
The Prinx HiCountry HT2 in LT245/75R17 is a highway terrain, all-season light truck tire intended for drivers who spend most miles on paved roads. It uses a wide footprint and multiple siping patterns to improve wet traction and braking while a dual-pitch tread and Pattern Noise Simulation aim to reduce road noise for a more comfortable cabin. The tire is built as a 10-ply, load range E radial with a 121/118 load index and an S speed rating, so it supports heavier duty loads common to full-size trucks. Nano Blend compound is claimed to balance braking, treadwear, and durability across the tire life. Practical benefits for a Sierra 2500 HD on highway duty include stronger load capability than standard passenger tires, improved ride quietness, and decent year-round traction. Important limitations are that this is a highway all-season design rather than an off-road or aggressive mud-terrain tire, so it will not match dedicated off-road traction or towing-specific commercial tires in extreme duty cycles.
Best for: Drivers of 2015–2019 GMC Sierra 2500 HD who prioritize a quiet, comfortable highway ride and want a budget-friendly tire with higher load capacity for regular towing or hauling.
Less Ideal for: Drivers who frequently work off-road, need aggressive mud or rock traction, or require commercial-grade tires for constant heavy-duty towing and severe service should consider purpose-built alternatives.
- 10-ply Load Range E construction for heavier load carrying capacity
- Wide footprint and multiple sipes for improved wet traction and shorter braking distances
- Dual-pitch tread and noise simulation technology for a quieter highway ride
- Designed for year-round use with compound tuned for balanced wear and braking
- Not intended for serious off-road, mud, or deep snow use compared with all-terrain or mud-terrain tires
Verdict: If you want an affordable, highway-focused light truck tire that handles heavier loads and keeps highway noise down on a Sierra 2500 HD, the Prinx HiCountry HT2 is a strong budget choice.
5. STARFIRE Solarus HT All-Season LT265/70R17 10‑Ply Light Truck Tire
| Rim Size | 17 inches |
|---|---|
| Load Index | 121 |
| Speed Rating | R |
| Load Capacity | 3195 pounds |
| Seasons | Year Round |
The STARFIRE Solarus HT is a highway‑focused all‑season light truck tire intended for SUVs, CUVs and pickup trucks. Its symmetrical 5‑rib tread and wet grip grooves are engineered to promote even wear and steady traction in rain and light snow while keeping road noise low for long runs. The 10‑ply construction and Load Range E rating provide high load capacity suitable for heavy duty use, and the manufacturer backs tread life with a 50,000 mile warranty. Expect predictable handling on paved roads, confident wet braking, and a quiet, comfortable ride rather than aggressive off‑road performance. Limitations include modest winter capability compared with dedicated snow tires and a design optimized for highway use rather than deep mud or rock crawling. Buyers who need a durable, affordable highway tire for hauling and towing will find the Solarus HT a practical choice, but drivers who frequently tackle severe winter conditions or off‑road terrain should consider specialized alternatives.
Best for: Drivers who prioritize dependable, long‑lasting highway performance for towing, hauling, and regular heavy use and want a quiet, predictable all‑season tire.
Less Ideal for: Drivers who need maximum winter traction for frequent severe snow and ice or who regularly drive off‑road in mud and rocks.
- 10‑ply, Load Range E construction for higher load capacity and durability
- Symmetrical 5‑rib pattern and wet grip grooves designed for even treadwear and improved wet traction
- 50,000 mile treadwear warranty provides long usable life and confidence in mileage
- Quiet, highway‑focused design that reduces road noise on long trips
- Not optimized for severe winter conditions or deep snow compared with dedicated winter tires
Verdict: Choose the Solarus HT if you want a durable, quiet all‑season light truck tire built for heavy loads and long highway miles.
6. TRAVELSTAR Ecopath AT All-Terrain LT275/70R18 10-Ply Light Truck Tire
| Rim Size | 18 inches |
|---|---|
| Load Index | 125/122 |
| Speed Rating | S |
| Maximum Pressure | 80 psi |
| Seasons | Year Round |
The TRAVELSTAR Ecopath AT LT275/70R18 is an all-terrain light truck tire built for heavy-duty applications and mixed on/off-road use. It carries a 10-ply load range E construction and a 125/122 load index that supports high single-axle capacity, which makes it suitable for hauling or towing on a Sierra 2500 HD. The non-directional tread and year-round compound aim to balance on-road stability and off-road grip while the 80 psi maximum pressure and deep tread depth target longer tread life. A notable practical benefit is the included three-year road hazard coverage plus a 50,000 mile limited treadwear promise, which adds confidence for buyers who value proven durability. Expect firmer ride characteristics compared with light passenger tires and some increase in road noise when pushed on pavement. Fitment is the factory-compatible LT275/70R18 size often used on 2015–2019 Sierra 2500 HD trucks, but buyers should confirm wheel clearance and speed rating compatibility before installation.
Best for: Buyers who prioritize load capacity and durability for a Sierra 2500 HD and want a tire that handles towing, hauling, and occasional off-road use while providing warranty-backed reassurance.
Less Ideal for: Drivers seeking the quietest, most comfortable highway-focused ride or maximum on-road fuel economy should consider highway-terrain light truck tires instead.
- 10-ply load range E construction for heavy loads and towing
- 125/122 load index supports high single-axle capacity
- Year-round non-directional tread for mixed on/off-road traction
- Includes 50,000 mile limited treadwear and three-year road hazard coverage
- Firmer ride and increased road noise versus passenger or highway tires
Verdict: If you need a durable, load-capable all-terrain tire for a 2015–2019 Sierra 2500 HD with warranty protection, this LT275/70R18 option delivers practical toughness and confidence.
7. Lexani Terrain Beast AT LT265/70R17 121/118S All-Terrain Tire
| Size | LT265/70R17 |
|---|---|
| Load Index | 121/118 |
| Load Capacity | 3195 Pounds |
| Load Range | E |
| Tread Depth | 12 32nds |
The Lexani Terrain Beast AT in LT265/70R17 is an all-terrain radial built for light trucks and SUVs that need a high load capacity. It uses an aggressive, non-directional tread with deep grooves and full-depth siping to shed mud, rocks, and water while providing better traction in wet, sloppy, and light snowy conditions. The unilateral center rib and computer-optimized tread pattern are aimed at reducing road noise and improving stability on pavement for a quieter, more comfortable ride during daily driving. With a 10-ply construction, E load range and a 121/118 load index, this tire supports the heavier payloads commonly carried by 2500-series trucks. Expect sturdy sidewall strength and longer tread life from the deeper 12/32nds tread depth, though the aggressive tread may trade a bit of on-road refinement and fuel economy compared with highway-specific tires. Use this tire where mixed on- and off-road capability and high load carrying matter most for a 2015-2019 GMC Sierra 2500 HD.
Best for: Owners of 2015–2019 GMC Sierra 2500 HD who prioritize heavy-load capacity and mixed on/off-road traction while still wanting reasonable on-road comfort.
Less Ideal for: Drivers who mostly tow or drive long highway miles seeking maximum fuel economy and the quietest possible ride, or those needing a winter-rated tire for severe snow and ice.
- High load capacity (121/118 load index and E load range) suitable for heavy payloads
- Aggressive tread with deep grooves and full-depth siping improves traction in mud and wet conditions
- 10-ply construction and deep 12/32nds tread depth for durability and longer tread life
- Computer-optimized design and unilateral center rib reduce road noise and increase on-road stability
- Summer-season designation may limit traction in severe winter conditions without a dedicated winter tire
- Aggressive all-terrain tread can reduce fuel efficiency and be a bit harsher than highway tires on long pavement trips
Verdict: Choose this Lexani Terrain Beast for a 2015–2019 GMC Sierra 2500 HD when you need a durable, high-load all-terrain tire that balances off-road traction with on-road comfort.
Choosing the Right 2015-2019 GMC Sierra 2500 HD Tires: Key Factors to Consider
Correct Tire Size and Fitment
Using the proper tire size for your 2015-2019 GMC Sierra 2500 HD ensures the speedometer accuracy, suspension geometry, and tire clearance remain as engineered. Fitment also affects steering response and the ability to mount spare tires. When changing sizes, you should confirm clearances for wheel wells and suspension travel.
Incorrect sizes can change effective gear ratios and place undue stress on drivetrain components. Always cross-reference the vehicle's placard or owner's manual and use sizes that retain the truck's intended load capacity. For custom wheel upgrades, check that offset and backspacing maintain safe clearance and do not interfere with steering or brake components.
Load Rating And Ply Construction
Load rating is critical for the Sierra 2500 HD because it determines the maximum weight each tire can safely support. Choose tires with a load index and ply construction that meet or exceed factory requirements, especially if you regularly tow trailers or haul heavy payloads.
Higher ply ratings and reinforced sidewalls improve resistance to cuts, punctures, and sidewall bulging under heavy loads. While heavier-duty tires may weigh more and slightly affect fuel economy, they provide essential safety margins and maintain handling characteristics under stress.
Tread Design And Traction
Tread pattern directly affects wet braking, hydroplaning resistance, and snow traction. For mixed driving that includes highways and occasional off-pavement access, look for designs that efficiently evacuate water and maintain consistent contact patches for braking.
Directional or asymmetric patterns can improve straight-line wet traction, while deeper grooves and siping enhance snow performance. Consider the balance between aggressive lugs that help off-road grip and smoother ribs that reduce road noise and rolling resistance for highway comfort.
Durability And Tread Life Expectations
Tire longevity matters for trucks that rack up miles towing or driving long distances. Tread compound, depth, and construction determine wear rate. Heavier trucks accelerate tread wear, so choose patterns and compounds rated for higher mileage when possible.
Look for tires with clear tread wear indicators and published mileage warranties as one input into expected service life. Also factor in maintenance habits such as rotation schedules and alignment, because uneven wear shortens useful life regardless of the tire's nominal durability.
Ride Comfort And Noise
A tire suited for heavy-duty use can still provide reasonable comfort. Sidewall construction and tread block design influence ride harshness and road noise — stiffer sidewalls improve load capacity but may transmit more vibration into the cabin.
If you spend long hours on highways, prioritize tires that strike a balance between load handling and a damped ride. Some heavy-duty designs include noise-reduction features in the tread to help minimize drone without sacrificing strength.
Winter Performance And Seasonal Suitability
If you operate your Sierra 2500 HD in cold climates, winter traction becomes a safety consideration. Winter-rated tires or those with the three-peak mountain snowflake symbol offer better cold-weather compound flexibility and snow traction than standard all-season designs.
Seasonal swaps may be necessary for drivers who frequently encounter snow and ice. For year-round drivers in milder climates, an all-season heavy-duty tire that balances wet traction and longevity may be a better compromise than a dedicated winter tire.
Understanding Load Index And Why It Matters
The load index on a tire is a numeric code that corresponds to the maximum weight a single tire can support at the recommended inflation pressure. For a Sierra 2500 HD, matching or exceeding the factory load index is essential when towing or hauling, because overloaded tires can overheat and fail.
When selecting tires, check the placard and consider the heaviest loads you anticipate. If you tow regularly, choose a tire whose load index gives a comfortable safety margin above your typical gross vehicle weight and trailer tongue weight.
- Always confirm load index for the exact tire size.
- Higher load indexes often come with stiffer sidewalls.
- Inflation pressure must match load conditions to meet rated capacity.
Seasonal Options: All-Season Versus Winter Tires
All-season heavy-duty tires offer a compromise of wet traction, tread life, and acceptable winter performance in mild climates. They work well for many Sierra 2500 HD owners who need year-round reliability without swapping tires seasonally.
In regions with sustained cold, snow, or ice, winter tires provide significant advantages. Their softer compounds and tread features maintain grip at lower temperatures and offer shorter stopping distances on snowy roads. Consider a dedicated winter set if you regularly encounter severe winter conditions.
- All-season tires reduce downtime from seasonal swaps but may underperform in deep snow.
- Winter tires require a separate wheel set for easier seasonal changeover.
Tire Maintenance That Extends Service Life
Proper maintenance preserves tread life and performance. Regular rotation, balancing, and alignment checks reduce uneven wear and help the tires reach their expected mileage. Pay attention to the vehicle's recommended rotation schedule, and inspect tires for uneven wear patterns frequently.
Monitoring tire pressure is particularly important for heavy trucks. Underinflation increases heat buildup and can lead to premature wear or failure under load. Use a calibrated gauge and adjust pressures when towing according to the load-carrying requirements.
- Rotate tires every 5,000 to 8,000 miles or per manufacturer guidance.
- Check pressure before long trips or when towing.
- Inspect sidewalls for cuts, bulges, and embedded objects regularly.
Choosing Between LT And Highway Tires
Light truck (LT) tires are built to handle higher loads and rougher conditions, often featuring reinforced construction and higher ply ratings. Highway tires prioritize ride comfort, noise reduction, and fuel efficiency, and may be better for drivers who rarely carry heavy loads or tow.
For the 2500 HD, consider LT-rated options if you use the truck for towing, heavy payloads, or off-pavement access. If your driving is mostly highway commuting with occasional light cargo, a highway terrain tire with an adequate load rating may offer a smoother ride and lower rolling resistance.
- LT tires usually have higher load capacity and tougher sidewalls.
- Highway tires focus on comfort and lower rolling resistance.
Installation And Basic Alignment Tips
Proper installation includes correct torque on lug nuts, correct tire mounting direction for directional patterns, and a professional balance to prevent vibration. After installation, get a wheel alignment check to ensure the suspension geometry matches the new tires and to prevent rapid or uneven wear.
If you change tire sizes or offset, recheck steering clearance and tracking. Improper alignment or imbalance can shorten tire life and affect handling, which is particularly important on heavy-duty trucks.
- Always balance tires after mounting to reduce vibration.
- Have alignment checked within the first 500 miles after new tire installation.
- Follow manufacturer torque specs for wheel fasteners.
Still looking for the perfect fit?
Select your GMC Sierra 2500 HD configuration to see the most relevant Tires recommendations
How We Chose the Best 2015-2019 GMC Sierra 2500 HD Tires
We evaluated candidate tires using criteria specific to the 2015-2019 GMC Sierra 2500 HD and drivers who tow or carry heavy payloads. Primary filters included correct tire sizes and load ratings that meet or exceed factory specifications, because insufficient load capacity can compromise safety and handling. Tread design and compound were assessed for traction in wet conditions and winter performance where applicable, prioritizing options with proven water evacuation and winter-snow capability for colder climates.Durability and treadwear expectations were factored in using manufacturer treadwear indicators and construction features such as reinforced sidewalls and ply ratings that relate directly to payload resilience. We also considered ride comfort and noise, since long highway miles are common for this truck, and looked for options that balance load-carrying ability with acceptable comfort. Fuel efficiency impact and rolling resistance were included where data were available.Excluded from consideration were tires that lacked published load-rating data for the sizes relevant to the 2500 HD, specialty passenger-car performance tires designed for sports cars, and options unsuitable for light towing or heavy-duty use. The final list reflects tires that meet the truck's mechanical demands while offering clear tradeoffs among traction, longevity, and ride quality.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know when to replace tires on my Sierra 2500 HD?
You should replace tires when tread depth reaches the legal minimum or when treadwear indicators become flush with the tread. Also replace tires if there are sidewall bulges, significant cuts, or frequent air loss. For trucks that tow regularly, monitor wear more often because heavy loads accelerate tread loss.
What tire pressure should I use when towing with a Sierra 2500 HD?
Use the pressure recommended on the vehicle placard as a baseline and increase pressure per the tire manufacturer's towing charts to support the additional load. Proper inflation is essential to meet the tire's rated load capacity and to reduce heat buildup during long hauls.
Are all-season tires adequate for occasional winter driving?
All-season tires can be adequate for light winter conditions but are not as effective as winter-rated tires in sustained snow and ice. If you encounter frequent winter storms or icy roads, a dedicated winter tire will provide better traction and shorter stopping distances.
Can I switch to a different tire size on my 2500 HD?
You can change sizes but must ensure the new size preserves load capacity, clearance, and speedometer accuracy. Consult the vehicle placard and a professional installer before changing sizes, and recheck alignment and steering geometry after the swap.
How important is tire balancing and alignment for truck tires?
Balancing and alignment are very important. Unbalanced tires cause vibration that accelerates wear and can stress suspension components. Proper alignment ensures even tread wear and maintains predictable handling, which is especially crucial when carrying heavy payloads or towing.
What should I look for in a tire tread wear indicator?
Look for clear, raised indicators in the tread grooves that show when tread depth is at the legal minimum. Also check for uneven wear between inner and outer edges, which signals alignment or suspension issues. Regular visual checks help you replace tires before they become unsafe.
Final Verdict
When selecting tires for a 2015-2019 GMC Sierra 2500 HD, prioritize correct load rating and reinforced construction to safely handle towing and payloads. Balance those needs with traction requirements for your local climate and the ride comfort you want for highway miles.Decide first on the load capacity you need, then choose a tread design that matches your typical driving conditions. If you tow frequently or haul heavy loads, favor higher ply or LT-rated tires; if you mostly drive highways and need lower noise and better fuel economy, consider highway-focused options with the proper load index. Regular maintenance and correct inflation will maximize safety and service life.
