Real test data, off-road insights, and daily-driving impact — from a former Bridgestone engineer.
The BFGoodrich KO2 and Nitto Ridge Grappler represent two different branches of the all-terrain market. The KO2 is a classic Off-Road A/T tire, trusted on Wranglers, Tacomas, and ½-ton pickups for its bulletproof sidewalls, long tread life, and 3PMSF-rated winter traction — though it rides firmer and louder on pavement. If you’re curious about how it compares to its newer sibling, see our BFGoodrich KO3 vs KO2 guide.
The Ridge Grappler, on the other hand, sits in the Rugged-Terrain category — a hybrid between A/T and mud-terrain. Popular on Silverados, Rams, and Jeeps, it offers a blockier tread for stronger loose-surface bite, a more aggressive look, and surprising on-road manners for its class, though comfort and efficiency take a hit compared to KO2.
That’s the trade-off most buyers face — and in the sections ahead, we’ll break down how they compare across dry, wet, snow, and off-road testing. You can also line them up in our All-Terrain Tire Decision Tool for quick recommendations tailored by SUV, CUV, or truck class.
⚡ Quick Verdict – Who Wins What?
The Nitto Ridge Grappler bites harder on dry pavement (~130 ft, 0.75 g) and digs deeper off-road (9.0 dirt / 9.3 mud / 9.2 rock), but it runs noisier and feels less reliable in bad weather. The BFGoodrich KO2 is steadier under load, stops shorter in the rain (195 ft, 0.43 vs Ridge’s 203 ft, 0.47), and comes out ahead in snow (76-ft stop, 46-ft launch) and ice (51 ft vs 55.7 ft). On the highway, the KO2 rides smoother (~7.0 comfort vs Ridge’s ~6.8) and ages more evenly, while the Ridge demands more rotation to stay quiet. In short: KO2 is the safer, quieter long-haul tire; Ridge is the aggressive off-road performer with extra bite and style.
Nitto Ridge Grappler
Tire Decision Tool
For those in a hurry: this tool makes it easy. Just pick your vehicle and what matters most to you, and it’ll instantly suggest the best tire options.
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- TireRack Deals:
https://www.tirerack.com/specialoffers - SimpleTire Deals:
https://simpletire.com/tire-deals - Amazon Deals
- https://www.amazon.com/Tires-Discounts-Automotive-Wheels
Raw Test Data
🔬 Construction & Tech Breakdown
KO2: Built Like a Tank
Dual steel belts + nylon wrap
CoreGard™ Sidewall Armor
3PMSF Certified
Primarily LT sizes with E-load range
🧠 Why It Matters: KO2 is engineered for strength over comfort. That means it’s heavier and stiffer, but it won’t flinch when aired-down or bouncing off granite.
Ridge Grappler: Rugged-Hybrid DNA
Dynamic hybrid tread pattern for off-road bite and highway control
Staggered shoulder lugs and variable pitch blocks
Available in P-metric and LT with load ranges up to F
🧠 Why It Matters: Ridge Grappler delivers the rugged tread voids of an MT tire with a tread block layout that won’t drone on the highway.
Dry Performance — KO2 holds smoother grip, Ridge more bite in rugged use
KO2 stops in 142.0 ft with 0.71 g cornering, while Ridge Grappler is at 130.0 ft with 0.75 g. That means Ridge tends to bite quicker in aggressive driving, but KO2 holds steadier during long straight-line braking and highway braking.
On Reddit and F-150 forums, KO2 owners regularly say that even as they age, the KO2s retain grip and feel planted. Ridge owners praise their tires for sharper turn-in and more aggressive pavement behavior, especially when coming off trails.
From an engineering standpoint, Ridge’s more aggressive tread pattern and block structure give better lateral grip under rugged inputs. KO2’s build is more conservative — slightly softer blocks, more void fill between, which helps with ride stability and reduces harshness in everyday braking.
For SUVs & crossovers, Ridge gives more performance flavor, KO2 gives more confidence in comfort. For ½-tons, KO2 offers smoother feel on pavement, Ridge gives more feedback when pushed. For ¾-ton & 1-ton HD trucks, KO2’s steadier footprint under load helps with braking stability, while Ridge will be more responsive but harsher.
👉 Verdict: Ridge Grappler wins dry bite and responsiveness; KO2 wins smooth confidence under load.
Wet Performance — KO2 stops shorter, Ridge grapples with wet bite
In wet tests, KO2 does 195.0 ft with 0.43 wet traction, while Ridge Grappler registers 203.0 ft with 0.47. Both are a bit slow compared to wet-optimized designs, but KO2 tends to engage more consistently over wet pavement unless Ridge is aggressively driven.
Forum feedback: KO2 users often comment, “good in the rain, still safe,” while Ridge users frequently note needing more braking space when wet — especially on inclines or with heavy loads. On r/f150 people say Ridge is “more capable in off-dirt in wet” but less forgiving during sudden wet stops.
Technically, Ridge’s larger voids help move water but reduce contact patch initially; KO2’s more uniform tread blocks maintain more wet adhesion under braking. Under load, KO2’s contact pressure helps in wet braking; Ridge may flex and lose bite under heavy load.
On SUVs & ½-tons, KO2 gives a bit more confidence in wet braking. For ½-tons towing or loaded, KO2 still might feel safer in worst-case stops. For ¾-ton & 1-ton HD trucks, the difference in wet feel is magnified under load — Ridge’s flexibility works against it in emergency braking, whereas KO2 tends to resist squirm.
👉 Verdict: KO2 is the safer pick in wet conditions for everyday use; Ridge gives traction gains in trails but demands margin.
Note from the Expert: When it comes to rain, I always emphasize two things: compound grip and water evacuation. You can see the full details in my analysis, but if you take just one thing away, remember that an AT tire’s stiff nature makes achieving top-tier wet performance a constant battle. This is why the question, Are All-Terrain Tires Good in Rain?, requires a nuanced answer that balances tread design against rubber stiffness.
Winter & Snow — KO2 shines with 3PMSF traction, Ridge struggles more
In snow & winter stopping, KO2 posts a 76.0 ft stop and 46.0 ft snow acceleration, whereas Ridge stops in 78.0 ft and launches 47.7 ft. KO2’s edge in snow is slight but meaningful for drivers who face real winter weather.
Community voices: On Jeep/Truck forums many KO2 owners note they trust the tire in snow and mixed winter, applauding its consistency. Ridge owners often say they like the snow look and feel but admit Ridge isn’t as sure-footed in heavy snow or ice.
Engineer insight: KO2 is 3-PMSF rated, its tread & compound stay more pliable in cold, offering more mechanical interlock with snow. Ridge’s compound is tougher, and while its blocks dig better in some terrain, cold conditions reduce its bite.
For SUVs & ½-tons, KO2 gives more predictable snow behavior. For ½-tons hauling in winter, KO2’s reliability matters. For ¾-ton & 1-ton trucks, snow stops under load are where KO2 shines; Ridge may feel less secure.
👉 Verdict: KO2 is superior in snow situations; Ridge is less reliable in serious winter conditions.
Note from the Expert: Our discussions often boil down to the core tradeoff. On one hand, you must understand why all-terrain tires are truly effective in deep snow, but not on ice. On the other hand, you face the 3PMSF Paradox—the hidden cost of that badge. The short answer is: The 3PMSF badge certifies traction, but it costs you durability. Dive into our full analysis on the critical 3PMSF rating for severe winter and off-road service, and its hidden costs, before you risk your rig on the trail.
Ice — KO2 wins the margin, Ridge more abrupt slips
On glare ice KO2 stops in 51.0 ft, Ridge in 55.7 ft according to the dataset. That extra few feet can matter, especially in surprise icy patches.
Forum threads: KO2 folks say they get better control in ice, less sliding. Ridge users mention they slide sooner and need more careful throttle control.
From technical standpoint, KO2’s compound maintains bit more flexibility at low temps; Ridge’s aggressive tread and heavier block design increase risk of abrupt loss of grip.
For SUVs & ½-tons, KO2 is safer on ice. For ½-tons towing, KO2 again wins for stability. HD trucks will appreciate KO2’s more controlled behavior under ice, while Ridge can get loose under load.
👉 Verdict: KO2 is the safer choice on icy roads; Ridge is more style/off-road oriented but riskier here.
Off-Road — Ridge dominates mud & rock, KO2 more balanced under mixed terrain
Ridge scores 9.0 dirt / 8.5 sand / 9.3 mud / 9.2 rock, while KO2 has 9.3 dirt / 9.0 sand / 9.3 mud / 9.5 rock from your dataset. KO2 matches or beats Ridge in several off-road areas, though Ridge wins visible aggression and block design in technical conditions.
Owners often praise Ridge for its rocky terrain bite and mud climbing. KO2 users note KO2 handles everything decent but doesn’t give the dramatic block aggression Ridge does.
Engineer side: Ridge’s aggressive sidewall lugs, large voids, and block shape give more bite and traction when trail gets rough; KO2 still holds excellent capability but trades off some extreme grip for more uniform behavior and less fatigue.
For SUVs & ½-tons, Ridge provides off-road thrill. KO2 offers more balance for drivers doing both road and trail. For ¾-ton & 1-ton HD trucks, KO2’s ability to maintain grip while resisting deformation under load gives it advantage in long off-road runs.
👉 Verdict: Ridge excels in aggressive trail use; KO2 is more dependable for mixed terrain and heavy duty work.
Note from the Expert: Every successful day on the trail is about preparation and physics, because tire longevity is earned, not given. Before you even start, you must master the critical link between tire pressure and load range for every rig to maximize your contact patch. Once moving, remember your ultimate off-road armor is your sidewall protection against the inevitable pinch flat. And finally, your traction on the obstacle is dictated by choosing the right aggressive vs hybrid tread pattern for your terrain. Master those three steps, and your rig will be ready for anything.
Comfort & Noise — KO2 calms cabin; Ridge louder but showy
Comfort ratings: KO2 ~7.0, Ridge ~6.8. On highway, KO2s are quieter, smoother. Ridge starts strong, but road roar and vibrations become noticeable, especially as tread wears.
Forum input: On Bronco6G, one user said, “KO2 has a better pavement ride feel and control.” Ridge fans admire the look & off-road performance but admit trade-offs in noise. Bronco6G Forum
Engineer explanation: KO2 uses smaller tread blocks, less aggressive shoulder lugging, softer block transitions which reduce noise. Ridge’s large voids and aggressive shoulders contribute to more sound, especially at speed and under load.
For SUVs & ½-tons, KO2 will feel more civilized. For ½-tons towing/heavy load, KO2 reduces fatigue. In ¾-ton & 1-ton rigs, noise is more pronounced with Ridge Grappler; KO2 remains easier to live with.
Note from the Expert: For years, choosing all-terrain meant accepting noise—a true compromise for off-road grip. That’s why the question, Are All-Terrain Tires Louder than Highway Tires?, used to have a simple “yes” answer. Now, with the rise of on-road models, the core issue has shifted from noise to overall refinement. To fully understand which side of the comfort spectrum you’re buying into, you need to determine Are All-Terrain Tires Good for Daily Driving?—a question that depends entirely on the tire’s construction, not just the name.
Tread Life & Longevity — KO2 has proven life, Ridge dependent on use
KO2 has long track record for mileage; Ridge Grappler is built tough but folks report faster wear in certain conditions (lots of road miles, abrasive off-road).
On r/f150 a user said KO2 “got louder as they wore down,” Ridge users say they “wear down but chunks in harsh terrain show sooner.” Reddit
Technically, KO2’s block geometry and compound reduce chunking and resist shoulder damage; Ridge gives more aggressive block edges which bite but take more abuse.
For SUVs & ½-tons, KO2 likely lasts longer on road/trail mixes. For ¾-ton & 1-ton, KO2’s even wear under load gives more consistent performance; Ridge will need more rotation, more maintenance to stay balanced.
Where They Fit Best
If you want rugged trail flair, mud and rocky climbs, and don’t mind more road noise and trade-offs, Nitto Ridge Grappler is your passion tire. If you need long highway miles, good snow/ice reliability, lower noise, and less fuss in mixed use, BFGoodrich KO2 is the more dependable all-around choice.
For SUVs & Crossovers: KO2 for daily comfort and all-season steadiness; Ridge for style + weekend trail punch.
For ½-ton trucks: KO2 favors smoother highway runs and easier living; Ridge delivers aggression and feedback when pushed.
For ¾-ton & 1-ton HD duty: KO2 wins on predictable aging, quieter ride under load; Ridge shows off-road strength but with more compromise.
👉 Bottom line: KO2 is the safer, more balanced tire for heavy duty, long trips, snow, road mileage. Ridge is strong for off-road dramatics, rough terrain, and those who prioritize aggression.
Tire Size Selection: The Basics You Can’t Skip
Even the best tread design can’t rescue a tire that’s built too weak. Back when I was testing tires at Bridgestone, I saw all-terrain models that should’ve performed but fell short — simply because the basics (size, load strength, and speed rating) weren’t matched to the vehicle.
P-Metric vs. LT (Light Truck) Tires
The first step is knowing whether you need LT or passenger tires. LT (Light Truck) tires are built with extra reinforcement and stiff sidewalls, designed for towing, hauling, or off-road use. Passenger (P-metric) tires are lighter, smoother, and tuned for daily comfort and fuel efficiency — but they’ll flex more under load.
Understanding Tire Load Range: XL vs. E-Load
Then comes the tire load index and load range — essentially your tire’s strength rating. Here’s where things split between passenger XL and LT E:
XL (Extra Load) is a passenger tire with reinforced sidewalls. It can handle a bit more pressure (~41 PSI) than a standard SL tire and is perfect for SUVs, crossovers, or light trucks that carry extra gear, passengers, or small trailers. XL tires ride softer and quieter than LT options, making them ideal for daily use.
E Load Range is an LT tire class built with a much thicker casing. E-rated tires can handle far more pressure (up to ~80 PSI) and heavier loads, which makes them essential for ¾-ton and 1-ton trucks towing trailers or hauling close to max capacity. The trade-off is weight, stiffer ride, more road noise, and a small drop in fuel efficiency.
Put simply: XL is for “extra luggage and family,” while E is for “truck bed full of bricks or a car trailer.”
Why the Tire Speed Rating Matters for Safety
Finally, don’t overlook the tire speed rating. It’s not just about top speed — it measures how well a tire handles heat and stress at highway pace. Lower ratings (like S) tend to ride softer and last longer, while higher ratings (H, T) feel more stable and responsive under sharp maneuvers. Heat build-up is the silent killer of tires, and speed rating is your safeguard.
Bottom line: Match your tire’s construction (LT vs P-metric), load range (XL vs E), and speed rating to your vehicle’s demands. Get those right, and everything else — off-road grip, winter traction, comfort — will finally perform the way it was designed to.
🏁 Final Verdict: Which One Would I Actually Buy?
If you’re chasing rugged styling and weekend trail power, the Nitto Ridge Grappler delivers — it bites harder off-road, feels sportier on pavement, and looks the part. But if you want a tire that can handle daily commutes, towing, and winter weather with fewer compromises, the BFGoodrich KO2 is still the benchmark: predictable in snow and ice, quieter on the highway, and longer-lasting under load. Ridge = aggression and trail drama. KO2 = confidence and durability.
Nitto Ridge Grappler Related Articles
BF Goodrich KO2 Related Articles
Frequently Asked Questions: KO2 vs Ridge Grappler
Which tire has better dry grip?
Ridge Grappler. It stops shorter (~130 ft vs KO2’s ~142 ft) and feels sportier in cornering. KO2 is steadier for highway and towing.Which is safer in the rain?
KO2. It stops around 195 ft (0.43), compared to Ridge at ~203 ft (0.47). KO2 feels more consistent in wet braking, especially under load.How do they compare in snow and ice?
KO2 wins both. Snow stop ~76 ft vs Ridge’s ~78 ft, and ice ~51 ft vs 55.7 ft. KO2 is 3PMSF rated, making it more reliable for winter driving.Which is better off-road?
Ridge Grappler. With 9.0 dirt, 9.3 mud, 9.2 rock, it excels in aggressive terrain. KO2 is strong but trades some bite for balance and load stability.Which rides quieter and smoother?
KO2. It scores ~7.0 comfort and keeps noise lower. Ridge is around ~6.8 and develops more hum as it wears.Which lasts longer?
Both average 45–50k miles, but KO2 wears more evenly and resists chunking better. Ridge can cup and get louder late in life.Which is better for heavy-duty trucks?
KO2. It feels steadier under load and holds line straighter when towing, while Ridge tends to wander more with heavy trailers.
For those who prefer to see whole market analyze:
- https://tireterrain.com/best-all-terrain-tires/
- https://tireterrain.com/best-all-terrain-tires-for-snow/
- https://tireterrain.com/best-1-2-ton-truck-tires/
- https://tireterrain.com/best-3-4-ton-truck-tires/
- https://tireterrain.com/best-rt-tires/
- https://tireterrain.com/best-tires-for-snow-plowing/
- https://tireterrain.com/on-road-all-terrain-tires-highway/
A couple of popular size analyses:
- https://tireterrain.com/best-35x12-50r20-all-terrain-tires/
- https://tireterrain.com/best-285-70r17-all-terrain-tires/
- https://tireterrain.com/best-275-55r20-all-terrain-tires/
- https://tireterrain.com/best-275-65r18-all-terrain-tires/
Want to learn more about all-terrain tires:
- https://tireterrain.com/highway-tires-vs-all-terrain-vs-mud-terrain/
- https://tireterrain.com/all-season-vs-all-terrain-tires/
- https://tireterrain.com/tire-load-index-and-load-range/
- https://tireterrain.com/lt-tires-vs-passenger-tires/
- https://tireterrain.com/are-all-terrain-tires-good-for-daily-driving/
- https://tireterrain.com/are-all-terrain-tires-good-in-snow/
- https://tireterrain.com/are-all-terrain-tires-loud/
- https://tireterrain.com/how-long-do-all-terrain-tires-last/
- https://tireterrain.com/are-all-terrain-tires-good-in-rain/
- https://tireterrain.com/off-road-tire-pressure-load-range-for-every-rig/
Will the nitto ridge grappler fit my 2019 Chevy Blazer . My tire size is 235/55R20 105WXL. Blazer is Premier 3 LT all wheel drive ?
Hello David,
I suppose Nitto Ridge Grappler isn’t available for 235/55R20.
I made quick research for you, here is what I’ve found.
In my point of view, Falken Wildpeak AT Trail and Nitto Nomad Grappler may be the best choices for your vehicle.
I have a review about Falken and Nitto Nomad Grappler review will be shared next week. Check the below links out.
https://simpletire.com/brands/nitto-tires/nomad-grappler
https://tireterrain.com/falken-wildpeak-at-trail-review/
Don’t know where do you live but if you see snow regularly, I recommend you to go with Falken.
Let me know if you need any further help.
Will the nitto ridge grappler fit my 2019 Chevy Blazer . My tire size is 235/55R20 105WXL. Blazer is Premier 3 LT all wheel drive ?