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TL;DR
- "Rugged-terrain," "R/T" and "hybrid terrain" are maker labels, not a standard. Goodyear and Firestone list two of the tires grouped here as all-terrains.
- 5 of the 12 tires here carry the 3PMSF severe-snow symbol on at least some sizes; the rest make no claim.
- Mileage warranties run from none (Nitto Ridge Grappler, Kenda Klever R/T) to 60,000 miles (Cooper Discoverer Rugged Trek, P-metric sizes). Goodyear's Wrangler DuraTrac covers only its P-metric and XL sizes.
- Most LT and flotation sizes in this category are Q-rated (99 mph); most passenger sizes are T-rated (118 mph).
- In Nitto's line, the hybrid Ridge Grappler (LT265/70R17 E) weighs 54.48 lb, between the Trail Grappler mud-terrain (60.81 lb) and the Dura Grappler highway tire (50.71 lb).
At a Glance
| If you need… | Tires here that fit | What to check |
|---|---|---|
| Severe-snow traction | Cooper Discoverer Rugged Trek, Firestone Destination X/T, Goodyear Wrangler DuraTrac, Goodyear Wrangler DuraTrac RT, Sailun Terramax RT | The mountain-snowflake symbol on your exact size |
| A mileage warranty on LT sizes | Every tire here except the Nitto Ridge Grappler, the Kenda Klever R/T and the LT sizes of the Goodyear Wrangler DuraTrac | The mileage figure for your size, from 45,000 to 55,000 on LT sizes |
| 35- to 38-inch sizes | Nitto Ridge Grappler, Toyo Open Country R/T Trail, Falken Wildpeak R/T, Kenda Klever R/T | Load range: some big sizes are only C or D |
| A daily driver on passenger sizes | Tires offered in SL or XL sizes, such as the Ridge Grappler and DuraTrac RT | Speed rating and UTQG, which only passenger sizes carry |
What the Category Is, in the Makers' Words
No federal standard or industry body defines a rugged-terrain tire, so the category is whatever makers say it is. Toyo positions the Open Country R/T between its Open Country M/T and A/T, saying the R/T takes its ability on dirt, sand and rock from the M/T and its quieter ride from the A/T. Nitto describes the Ridge Grappler as "the best of both worlds" from its mud-terrain and all-terrain lines. Kenda says the Klever R/T is built for extreme terrain while keeping the comfort and control of an all-terrain.
The labels don't line up across brands. Goodyear's own site files both the Wrangler DuraTrac and the Wrangler DuraTrac RT-LT as all-terrain tires, and Firestone lists the Destination X/T under "Truck | All terrain." This library groups them here because of their tread design, deep tread and size ranges. Compare tires on published specs rather than the name on the sidewall.
Every Model Compared
Figures are from each maker's own spec page. "No claim" means the maker's page doesn't show the 3PMSF symbol for that tire.
| Tire | 3PMSF | Mileage warranty | New tread depth | Load ranges | Sizes / wheels |
|---|---|---|---|---|---|
| Cooper Discoverer Rugged Trek | Yes | 60,000 mi (P-metric); 55,000 mi (LT) | 16–18.5/32" (varies by size) | SL, XL, E, F | 18 on 16–22in |
| Falken Wildpeak R/T | No claim | 50,000 mi | 16–20/32" (varies by size) | C, D, E, F | 50 on 16–22in |
| Firestone Destination X/T | Yes | 50,000 mi | 12–17/32" (varies by size) | C, D, E | 31 on 16–20in |
| Goodyear Wrangler DuraTrac | Yes | 50,000 mi (excludes LT sizes) | 15–18/32" (varies by size) | SL, XL, C, D, E | 25 on 15–20in |
| Goodyear Wrangler DuraTrac RT | Yes | 50,000 mi (P-metric and LT) | 16–18/32" (varies by size) | SL, XL, E, F | 54 on 16–22in |
| Kenda Klever R/T | No claim | None published | 16–17/32" (LT-metric); 19/32" (all flotation sizes) | C, D, E, F | 41 on 15–24in |
| Nitto Ridge Grappler | No claim | None published | 13.5–18.3/32" (varies by size) | SL, XL, C, D, E, F | 104 on 16–24in |
| Sailun Terramax RT | Yes | 50,000 mi / 60 months | 14–18/32" (16/32" P-metric/XL except 285/55R20 at 14/32"; 18/32" all LT and flotation sizes) | SL, XL, D, E, F | 39 on 17–22in |
| Toyo Open Country R/T | No claim | 45,000 mi | 13.5–18.9/32" (varies by size) | SL, D, E, F | 16 on 16–22in |
| Toyo Open Country R/T Trail | No claim | 45,000 mi | 13.3–16.9/32" (varies by size) | SL, XL, C, D, E, F | 72 on 16–24in |
| Venom Power Terra Hunter X/T | No claim | 50,000 mi (sizes 22in and smaller, up to 13.5in wide) | n/a — not published by Venom Power | SL, XL, C, E, F | 87 on 15–28in |
| Yokohama Geolandar X-AT | No claim | 45,000 mi (LT-metric); 50,000 mi (Euro-metric) | 14–19/32" (varies by size) | SL, XL, C, D, E, F | 104 on 15–24in |
Snow Ratings: M+S Versus the Mountain Snowflake
Every tire here can carry M+S, which only means the new tread meets USTMA's snow-tire geometry: slots in the tread edge reaching at least 1/2in toward the center and at least 25% void area. The three-peak mountain snowflake is a test result. The tire must reach a snow grip index of at least 1.10 against the SRTT14 reference tire in the ASTM F1805-20 packed-snow traction test.
The 3PMSF split in this category often runs through a model, not between models. Goodyear gives the Wrangler DuraTrac the symbol on every size except LT275/65R18 113Q, LT275/70R18 125R and LT285/75R18 129Q. Cooper gives the Discoverer Rugged Trek the symbol on its P-metric sizes but not its LT sizes. For studded use, Goodyear pins the DuraTrac's LT sizes for #16 metal studs, and Kenda and Sailun also list stud-pinned sizes.
Warranty Terms, Model by Model
Warranties differ by model and by size within a model:
- Goodyear Wrangler DuraTrac: 50,000 miles on its six P-metric and XL sizes only; the LT and flotation sizes carry no mileage warranty. The DuraTrac RT is 50,000 miles on both P-metric and LT sizes.
- Cooper Discoverer Rugged Trek: 60,000 miles on P-metric sizes and 55,000 on LT sizes.
- Firestone Destination X/T, Falken Wildpeak R/T and Sailun Terramax R/T: 50,000 miles (Sailun adds a 60-month limit).
- Toyo Open Country R/T and R/T Trail: 45,000 miles.
- Yokohama Geolandar X-AT: 45,000 miles on LT-metric sizes and 50,000 on Euro-metric sizes.
- Venom Power Terra Hunter X/T: 50,000 miles on sizes of 22in and smaller, up to 13.5in wide.
- Nitto Ridge Grappler and Kenda Klever R/T: no mileage warranty.
A mileage warranty is prorated, not a free tire. Nitto's formula is typical: the owner pays actual miles driven divided by warranted miles, times the current dealer price. A 50,000-mile tire that wears out evenly at 40,000 miles gets a 20% credit. Most programs require rotation records. Nitto also halves the warranted miles for rear tires on staggered fitments, which can't be rotated.
P-Metric Versus LT Sizes of the Same Tire
Most tires here come in both passenger and light-truck versions, and the numbers differ more than the size suggests. Nitto's chart shows the Ridge Grappler 265/70R17 as a 115T passenger tire rated 2,679 lb at 44 psi, with 13.5/32in of tread and a weight of 43.41 lb. The LT265/70R17 is a Load Range E at 121/118Q, rated 3,195 lb at 80 psi, with 16.4/32in of tread and a weight of 54.48 lb. The passenger version is T-rated (118 mph); the LT is Q-rated (99 mph).
Federal rules also treat them differently on a truck. FMVSS 110 requires the tires on each axle to add up to at least the axle's GAWR, and a passenger tire fitted to a truck or SUV has its rating divided by 1.10 first. That takes the 265/70R17 from 2,679 lb to about 2,435 lb, or 4,871 lb per axle, against 6,390 lb per axle for the LT version. Only the passenger size gets a UTQG grade, because the grading rule covers passenger-car tires only.
Construction claims follow the same split. Toyo uses 3-ply construction on the Open Country R/T's LT and flotation sizes and 2-ply on its P- and Euro-metric sizes. Goodyear says the DuraTrac RT has DuPont Kevlar reinforcement and a three-ply Durawall sidewall. Kenda calls its 3-ply sidewall "Triple Threat" construction.
Choosing Between R/T, A/T and M/T
Decide on published specs rather than the label. If you drive in severe snow, start with the 3PMSF list above; no mud-terrain in this library has it, and several all-terrains do. If a mileage warranty matters and you run LT sizes, the Wrangler DuraTrac and Ridge Grappler are out. If you tow or carry heavy loads, check load range and the axle rule before tread design. If the truck came with T- or H-rated tires, remember that most LT rugged-terrain sizes are Q-rated. For the two neighboring categories, see all-terrain tires, mud-terrain tires and the all-terrain vs mud-terrain comparison.
Every Rugged-Terrain / Hybrid Tire in This Library
The 12 tires below are sorted by brand. The main tire library filter narrows the catalog by size or winter rating.
How We Cover Rugged-Terrain Tires
Specs come from each maker's own spec page. We do not buy, install or physically test tires; see how we rank. Our best rugged-terrain tires roundup has our picks.
Sources
- Toyo Tires — Open Country R/T product page — Toyo positions the R/T between the Open Country M/T and A/T; 45,000-mile warranty; 3-ply construction on LT-metric and flotation sizes, 2-ply on P- and Euro-metric; stone and mud ejectors.
- Nitto — Ridge Grappler product page and size table — Ridge Grappler hybrid-terrain positioning, features, UTQG 500 A B on metric sizes, and per-size tread depth, overall diameter, width, rim range, maximum load at pressure and weight.
- Nitto — Trail Grappler M/T product page and size table — 3-ply sidewall with high turn-up (excluding 15-inch sizes); side lug blocks; claimed 34% and 36% noise reduction vs the Mud Grappler; per-size tread depth, maximum load at pressure and weight (LT265/70R17 E 18.9/32in, 60.81 lb; LT285/70R17 C 2,755 lb @ 50 psi and E 3,195 lb @ 80 psi).
- Nitto — Dura Grappler product page and size table — 4-rib LT-metric and 5-rib P-metric tread designs, 60,000-mile warranty on P-metric/metric sizes, UTQG 600 A B, and per-size tread depth, maximum load and weight (LT265/70R17 E 16.8/32in, 50.71 lb).
- Kenda — Klever R/T KR601 product page — Kenda's positioning (extreme terrain with an all-terrain's comfort and control), Triple Threat 3-ply sidewall, stud-pinned shoulder blocks, sizes and tread depth.
- Goodyear — Wrangler DuraTrac product page — Goodyear lists the DuraTrac as an all-season all-terrain; 3PMSF on every size except LT275/65R18 113Q, LT275/70R18 125R and LT285/75R18 129Q; LT sizes pinned for #16 studs; self-cleaning shoulder blocks and TractiveGroove Technology.
- Goodyear — Wrangler DuraTrac RT-LT product page — Goodyear lists the DuraTrac RT-LT as an all-season all-terrain with 3PMSF, a 50,000-mile tread-life warranty, DuPont Kevlar reinforcement and a three-ply Durawall sidewall.
- Firestone — Destination X/T product page — Firestone lists the Destination X/T as a truck all-terrain with a 50,000-mile limited mileage warranty; LT-only size list.
- Bridgestone Americas — Bridgestone Adds Two New All-Terrain Tires to Firestone Portfolio (2019) — The Destination X/T's three-peak mountain snowflake designation at launch.
- Cooper Tires — Discoverer Rugged Trek product page — P-metric sizes, 3PMSF on P-metric sizes and the 60,000-mile warranty.
- Cooper Tires — Discoverer Rugged Trek LT product page — LT sizes without 3PMSF and the 55,000-mile LT warranty.
- Sailun — Terramax R/T product page — 3PMSF at model level, 50,000-mile / 60-month warranty, sizes, tread depth and stud-pinned LT sizes.
- Yokohama — Geolandar X-AT product page — 45,000-mile (LT-metric) and 50,000-mile (Euro-metric) warranties, sizes and tread depth; no 3PMSF claim.
- Venom Power — Terra Hunter X/T product page — 50,000-mile warranty on sizes of 22in and smaller, up to 13.5in wide; size range to 28in wheels.
- Falken — Wildpeak R/T product page — Wildpeak R/T sizes, Load Range C-F, tread depth and 50,000-mile warranty; no severe-snow claim.
- Toyo Tires — Open Country R/T Trail product page — 72 sizes on 16-24in wheels, 13.3-16.9/32in tread, 45,000-mile warranty; no 3PMSF attribute.
- USTMA — TISB Vol. 10, Snow Tire Definition for Passenger and Light Truck Tires (PDF) — M+S marking criteria: tread-edge slots reaching at least 1/2in toward the center, at least 1/16in wide, and at least 25% void area, all based on mold dimensions.
- USTMA — TISB Vol. 37, Definition for Tires for Use in Severe Snow Conditions (PDF) — The three-peak mountain snowflake symbol requires a snow grip index of at least 1.10 (SRTT14) or 1.12 (SRTT16) in the ASTM F1805-20 medium-packed-snow test, recognized by manufacturers.
- 49 CFR 575.104 — Uniform Tire Quality Grading Standards (Cornell LII) — UTQG applies to new tires for passenger cars and excludes deep-tread, winter-type snow and limited-production tires; traction grade A requires a coefficient above 0.47 on asphalt and 0.35 on concrete.
- 49 CFR 571.110 — FMVSS No. 110, Tire Selection and Rims (Cornell LII) — The door-jamb placard lists the original tire size and cold inflation pressure; on trucks and MPVs the tires on an axle must add up to at least the axle's GAWR, and passenger tires are derated by dividing by 1.10 (S4.2.2, S4.3).
- Nitto — Limited Warranty and Owner's Manual, Replacement Passenger and Light Truck Tires (PDF) — Free replacement for uniformity issues in the first 1/32in; free replacement at 25% worn or less within 60 months; proration by usable tread worn; mileage warranties only for models listed on nittotire.com; replace at 2/32in.
- Goodyear — Load Index and Speed Rating — Speed ratings Q 99, R 106, S 112, T 118 and H 130 mph; load index conversions to 120; replace with an equal or higher speed rating; mixed ratings limit the vehicle to the lowest-rated tire.