The 275/55R20 size is among the most popular fitments for half-ton trucks and full-size SUVs like the F-150, Silverado, RAM 1500, Tahoe, and Expedition. An all terrain tire in this size has to do something genuinely hard: bite into mud, gravel, and light snow without turning your daily commute into a droning, harsh ride. Most tires nail one side of that balance and fall apart on the other.
We pulled together the seven best all terrain tires you can actually buy in 275/55R20 right now, then ranked them on off-road grip, tread longevity, winter traction, road noise, and how they behave when the bed is loaded. Whether you tow, overland, or just want a tougher look with real capability behind it, there is a tire here that fits how you drive.
| Photo | Product | Score | Buy |
|---|---|---|---|
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BFGoodrich All-Terrain T/A KO2 Best Overall 3-ply sidewall, CoreGard tech, 50,000 mile warranty, 3PMSF rated |
9.5 | 🛒 Check Price |
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Falken Wildpeak A/T3W Best Value 65,000 mile warranty, 3PMSF rated, heat diffuser sidewall tech |
9.3 | 🛒 Check Price |
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Toyo Open Country A/T III Longest Tread Life 65,000 mile warranty, 3PMSF rated, scalloped shoulder blocks |
9.1 | 🛒 Check Price |
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Goodyear Wrangler Workhorse AT Best for Daily Driving 60,000 mile warranty, 3PMSF rated, Durawall sidewall protection |
8.9 | 🛒 Check Price |
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Cooper Discoverer AT3 4S Best All-Season Balance 60,000 mile warranty, 3PMSF rated, Adaptive-Traction technology |
8.7 | 🛒 Check Price |
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Nitto Ridge Grappler Most Aggressive Look Hybrid A/T and M/T tread, reinforced sidewall lugs, no mileage warranty |
8.5 | 🛒 Check Price |
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General Grabber A/TX Best Winter Traction 60,000 mile warranty, 3PMSF rated, DuraGen sidewall compound |
8.3 | 🛒 Check Price |
1. BFGoodrich All-Terrain T/A KO2: Best Overall
The KO2 remains the benchmark every other all terrain tire gets measured against, and in 275/55R20 it earns that reputation. The three-ply sidewall and CoreGard compound mean you can air down and crawl over rocks without the constant fear of a slice that ends your trip. On dirt, gravel, and mud it claws forward with a confidence that feels almost unfair, and the 3PMSF rating means it stays composed when the weather turns.
The honest weakness is noise. On smooth highway pavement the aggressive tread sings, and after a few thousand miles the hum becomes part of your soundtrack. Tread life is solid but not the longest here, so if you rack up huge highway miles, a touring-leaning option may stretch further. For pure capability and durability though, this is the one to beat.
- CoreGard sidewall rubber resists splitting and bruising on sharp rocks
- Interlocking tread blocks for traction in mud, dirt, and loose gravel
- Three-Peak Mountain Snowflake rated for severe winter conditions
Pros: Legendary sidewall toughness that shrugs off trail abuse; Strong, predictable grip across nearly every loose surface; Holds its blocky look well even as it wears
Cons: Noticeably louder than highway-biased rivals at speed; Tread life is good rather than class leading for the category
2. Falken Wildpeak A/T3W: Best Value
The Wildpeak A/T3W has earned a cult following, and once you drive on a set it is easy to understand why. In 275/55R20 it delivers off-road grip that runs the KO2 close, with particularly impressive snow and wet performance for an all terrain. The aggressive sidewall blocks dig into ruts and snowbanks, and the heat diffuser tech is a thoughtful touch for anyone towing a trailer in summer heat.
It is not perfect. The sidewalls are stiff out of the box, so the ride feels a touch firm over expansion joints and broken asphalt until they break in. That same stiffness is what makes the tire so stable when loaded, so it is a fair trade. For most truck owners who want serious capability without overthinking it, the A/T3W is the smart, well-rounded buy.
- Aggressive upper sidewall tread for extra bite in ruts and snow
- Heat diffuser technology helps the tire run cool when towing
- Step-down tread blocks shed mud and grip loose terrain
Pros: Excellent all-around performer for the value it offers; Genuinely strong snow and wet traction; Long mileage warranty backs real-world tread life
Cons: Ride can feel slightly firm on broken pavement; Stiff sidewalls take a few hundred miles to settle in
3. Toyo Open Country A/T III: Longest Tread Life
If your priority is mileage, the Open Country A/T III is hard to beat in 275/55R20. Toyo engineered the deep tread and compound specifically for longevity, and owners routinely report getting their full warranty mileage and then some. It also manages to stay relatively quiet for an all terrain, which makes it a great fit for trucks that spend most of their week on pavement and weekends on gravel and trails.
The compromise is in deep mud, where the tread pattern packs up faster than a more open competitor like the KO2. It still handles dirt, gravel, sand, and light snow capably, but committed mudders will want something more aggressive. For long-haul highway drivers who occasionally leave the pavement, the value over the life of the tire is excellent.
- Deep tread depth designed to maximize total mileage
- Scalloped shoulder lugs for off-road bite and self-cleaning
- Optimized pattern lowers road noise for an all terrain
Pros: Among the longest lasting tires in this size and class; Quieter on the highway than most aggressive A/Ts; Backed by a strong mileage warranty
Cons: Mud performance trails the most aggressive rivals; Looks slightly less rugged than blockier competitors
4. Goodyear Wrangler Workhorse AT: Best for Daily Driving
The Wrangler Workhorse AT is the tire for the driver who wants all terrain looks and capability without giving up everyday comfort. In 275/55R20 it rides smoothly and stays impressively quiet on the highway, so it never wears you down on long commutes. Durawall sidewall protection adds confidence on the road on rough roads, and the tire handles gravel, dirt, and light snow without drama.
Where it gives ground is in serious off-road use. The tread is more conservative than the trail monsters on this list, so deep mud and aggressive rock crawling are not its strength. But for the large majority of truck and SUV owners who mostly drive paved roads and want a dependable, comfortable tire that can still get dirty, it is an easy recommendation.
- Durawall technology resists punctures and sidewall cuts
- Balanced tread tuned for quiet, comfortable street manners
- Reliable wet and light snow grip for year-round use
Pros: Smooth, quiet ride that feels close to a touring tire; Trusted Goodyear durability and wide availability; Comfortable daily driver with real light-trail ability
Cons: Less aggressive off-road than dedicated trail tires; Sidewall styling is understated for buyers wanting a rugged look
5. Cooper Discoverer AT3 4S: Best All-Season Balance
The Discoverer AT3 4S is built for drivers who face real seasons and want one tire that handles all of them. In 275/55R20 it delivers genuinely strong wet and winter traction thanks to Cooper’s Adaptive-Traction compound, and the 3PMSF rating means it stays planted when snow falls. Whisper Grooves keep highway noise low, so it is pleasant to live with day to day.
The trade-off is that this tire leans toward on-road balance rather than maximum off-road aggression. It manages dirt, gravel, and light trails without complaint, but it is not the tool for deep mud or technical rock sections. If your driving mixes highway, rain, and snow with occasional light off-roading, this is a very well-rounded choices in the size.
- Adaptive-Traction tech adjusts grip across wet, dry, and snow
- Stone ejector ledges keep the tread clean off-road
- Whisper Grooves reduce road noise on the highway
Pros: Excellent four-season versatility for mixed climates; Quiet and comfortable for an all terrain; Confident in rain and winter conditions
Cons: Not as tough off-road as the most rugged options; Dry off-road traction is good but not standout
6. Nitto Ridge Grappler: Most Aggressive Look
The Ridge Grappler sits in the hybrid space between all terrain and mud terrain, and for buyers who want a serious off-road look without going full mud tire, it is a standout in 275/55R20. The deep, staggered shoulder lugs grab mud and rock impressively, while Nitto’s variable pitch design keeps the highway hum more controlled than you would expect from such an aggressive pattern.
The catch is that Nitto does not offer a mileage warranty on the Ridge Grappler, so you are buying on reputation rather than a guaranteed number. It also leans more aggressive than a pure pavement commuter needs, which can mean a slightly busier ride. But if you want maximum presence and real off-road teeth while keeping reasonable street manners, few tires deliver the combination this well.
- Hybrid tread blends all terrain manners with mud terrain bite
- Variable pitch pattern keeps the aggressive tread relatively quiet
- Reinforced shoulder grooves clear mud and rocks effectively
Pros: Bold, eye-catching tread that stands out on any truck; Surprisingly civilized on the highway for how aggressive it looks; Strong grip in mud, dirt, and loose terrain
Cons: No mileage warranty, so longevity is less predictable; Heavier and more aggressive than pure daily drivers need
7. General Grabber A/TX: Best Winter Traction
For drivers in snow country, the Grabber A/TX deserves a hard look in 275/55R20. General packed the tread with biting edges and sipes that make a real difference when the road turns white, and the 3PMSF rating is well earned here. DuraGen sidewall tech adds toughness for gravel and rough trails, so this is a capable year-round tire that genuinely shines once temperatures drop.
It is not the quietest tire in the group, and the aggressive winter-focused tread produces more highway noise than a touring all terrain. Dry-road handling is also a small step behind the sharpest rivals. But if you regularly deal with snow and ice and want strong off-road ability to go with it, the Grabber A/TX is a tough, dependable, and sensibly priced choice.
- Aggressive sipes and biting edges for snow and ice grip
- DuraGen technology improves cut and chip resistance
- Stone bumpers and traction ledges aid off-road performance
Pros: Outstanding snow and cold-weather traction; Durable construction that handles rough surfaces well; Solid mileage warranty for the category
Cons: Highway noise is more noticeable than touring-style A/Ts; Dry handling feels slightly less crisp than top rivals
Frequently Asked Questions
What vehicles use the 275/55R20 tire size?
The 275/55R20 size is a common factory and upgrade fitment for full-size half-ton trucks and large SUVs. You will find it on vehicles like the Ford F-150, Chevrolet Silverado 1500, RAM 1500, GMC Sierra 1500, Chevy Tahoe and Suburban, Ford Expedition, and Nissan Titan, especially on higher trims with 20-inch wheels. Always confirm the size printed on your door jamb sticker or current tire sidewall before ordering, and check that any all terrain you choose meets or exceeds your vehicle’s load index and speed rating.
Are all terrain tires in 275/55R20 noisy on the highway?
All terrain tires are louder than highway or touring tires because their tread blocks are larger and more open, but the difference varies a lot by model. Touring-leaning options like the Goodyear Wrangler Workhorse AT and Toyo Open Country A/T III stay close to quiet, while aggressive patterns like the BFGoodrich KO2 and General Grabber A/TX produce a more noticeable hum at speed. Modern tread engineering with variable pitch and noise-reducing grooves has narrowed the gap, so if quietness matters most, prioritize the touring-biased models on this list.
Which 275/55R20 all terrain tire is best for snow?
For serious winter use, look for the Three-Peak Mountain Snowflake (3PMSF) symbol on the sidewall, which means the tire passed a severe snow traction test. Every top pick on our list carries that rating, but the General Grabber A/TX, Falken Wildpeak A/T3W, and Cooper Discoverer AT3 4S stand out for cold-weather grip thanks to dense siping and winter-tuned compounds. In deep snow and ice, the Grabber A/TX is our standout, though a dedicated winter tire still beats any all terrain in the harshest conditions.
How long do all terrain tires in this size typically last?
Tread life for 275/55R20 all terrain tires generally ranges from about 50,000 to 65,000 miles depending on the model, your driving style, alignment, and how often you go off-road. The Toyo Open Country A/T III and Falken Wildpeak A/T3W carry 65,000 mile warranties and are known for going the distance, while the BFGoodrich KO2 is rated at 50,000 miles but is prized more for toughness than raw longevity. Regular rotation every 5,000 to 7,000 miles, correct pressures, and a good alignment will help any of these tires reach their full rated life.
Can I run all terrain tires year-round, or do I still need winter tires?
For most drivers in mild to moderate climates, a 3PMSF-rated all terrain tire works well year-round and removes the hassle of seasonal swaps. They grip in rain, light snow, and cold far better than standard highway tires. However, if you live somewhere with frequent deep snow, ice, and sustained sub-freezing temperatures, a dedicated winter tire still offers shorter stopping distances and better ice traction. All terrains are an excellent one-tire solution for the majority of truck and SUV owners who see only occasional severe weather.
Our Verdict
For the best blend of off-road toughness, all-weather grip, and proven durability in 275/55R20, the BFGoodrich All-Terrain T/A KO2 is our top pick and the tire most drivers will be happiest with long term. If you want nearly the same capability with longer warranty mileage and standout snow and wet traction, the Falken Wildpeak A/T3W is the runner up and the smarter buy for value-focused shoppers. Choose the Toyo Open Country A/T III for maximum tread life, or the Goodyear Wrangler Workhorse AT if a quiet daily ride matters most.
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