What is the mileage warranty on the Cooper Discoverer Rugged Trek?

The Cooper Discoverer Rugged Trek comes with a 60,000-mile treadwear warranty from the manufacturer.

Cooper Discoverer Rugged Trek

All-terrain
19 sizes
Severe-snow rated

All-terrain
19 sizes
Severe-snow rated

Best for off-road enthusiasts. Ideal for those who prioritize durability and off-road capability with a solid treadwear warranty.

67Good

60k mi

Score and specs shown for size 255/70R18. Other sizes are listed below and can differ.

Our take

The Cooper Discoverer Rugged Trek is a solid choice for off-road enthusiasts who value durability and longevity. With a 600 UTQG treadwear rating and a 55,000-mile warranty, it promises a decent lifespan for an all-terrain tire. Its wet grip score of 6.0 surpasses the category average, making it a better performer in rainy conditions.

However, the tire's dry grip score of 6.5 falls just below the category average, which might be a consideration for those who frequently drive on dry pavement. Noise levels are average, but could be more noticeable on highways compared to quieter competitors like the Pirelli Scorpion Zero All Season. Additionally, the absence of 3PMSF certification means it may not be the best choice for those needing reliable winter performance.

Compared to its competitors, the Discoverer Rugged Trek offers a strong off-road capability and a competitive treadwear warranty. However, for those who need a tire with winter certification, the Yokohama Geolandar A/T G015 might be a better fit. Overall, this tire is best suited for drivers who prioritize off-road durability over winter performance.

Pros

Off-road traction is solid with a 600 UTQG treadwear rating, indicating durability and longevity for rugged terrains.
Treadwear warranty of 55,000 miles is competitive, offering a decent lifespan for an all-terrain tire.
Wet grip score of 6.0 is above the category average of 5.2, providing better-than-average performance in wet conditions.

Cons

Lacks 3PMSF certification, making it less suitable for drivers who encounter severe winter conditions.
Dry grip score of 6.5 is slightly below the category average of 6.6, which might affect performance on dry pavement.
Noise level is average for the category, but at a score of 5, it may still be noticeable on highways compared to quieter options like the Pirelli Scorpion Zero All Season.
Lacks 3PMSF certification, which means it may not perform as well in severe winter conditions compared to the Yokohama Geolandar A/T G015.

Tirescouter Editorial analysis, written from manufacturer specs with AI assistance. It is not based on road tests or owner reviews. How we score

Spec facts

: 60,000 mi
: 600
: A
: B
: T · 118 mph
: 116 · 2,756 lb max
: 50 psi
: Yes

Available sizes

Every size the Discoverer Rugged Trek comes in. Pick a size to compare other tires made in it.

19 sizes, 22 versions

Every size this tire comes in, with its load, speed and UTQG ratings
Size	Shop this size	Load index	Speed rating	UTQG	Warranty	Max load	Max PSI
255/70R18	Tire Rack	116	T · 118 mph	600 A B	60k mi	2,756 lb	50
265/50R20	Tire Rack	111	T · 118 mph	600 A B	60k mi	2,403 lb	50
265/60R18	Tire Rack	114	T · 118 mph	600 A B	60k mi	2,601 lb	50
265/60R20	Tire Rack	121	Q · 100 mph	600 A B	55k mi	3,195 lb	80
265/65R18	Tire Rack	116	T · 118 mph	600 A B	60k mi	2,756 lb	50
265/70R16	Tire Rack	112	T · 118 mph	600 A B	60k mi	2,469 lb	44
265/70R17	Tire Rack	116	T · 118 mph	600 A B	60k mi	2,756 lb	50
265/70R17	Tire Rack	121	Q · 100 mph	600 A B	55k mi	3,195 lb	80
275/55R20	Tire Rack	117	T · 118 mph	600 A B	60k mi	2,833 lb	50
275/60R20	Tire Rack	115	T · 118 mph	600 A B	60k mi	2,679 lb	44
275/65R18		123	Q · 100 mph	600 A B	55k mi	3,415 lb	80
275/65R18		116	T · 118 mph	600 A B	60k mi	2,756 lb	44
275/65R20		126	Q · 100 mph	600 A B	55k mi	3,750 lb	80
275/70R18		125	Q · 100 mph	600 A B	55k mi	3,640 lb	80
285/45R22		114	H · 130 mph	600 A B	60k mi	0 lb	0
285/65R20		127	R · 106 mph	600 A B	55k mi	3,860 lb	80
285/70R17		121	Q · 100 mph	600 A B	55k mi	3,195 lb	80
285/70R17		116	T · 118 mph	600 A B	60k mi	2,756 lb	44
285/75R18		129	Q · 100 mph	600 A B	55k mi	4,080 lb	80
305/55R20		125	Q · 100 mph	600 A B	55k mi	3,640 lb	80
315/70R17		121	S · 112 mph	600 A B	55k mi	3,195 lb	65
37/12.50R17		124	Q · 99 mph	600 A B	55k mi	Not listed	Not listed

Ready to check availability?

Browse Tire Rack’s selection, then choose your size to check availability.

Shop Cooper at Tire Rack

Fits these vehicles

A sample of recent vehicles whose factory front size matches one of this tire's sizes.

2026 Cadillac LYRIQ
2026 Honda Passport
2025 Ford Bronco
2025 INEOS GRENADIER
2025 Jeep Gladiator
2025 Jeep Wrangler
2025 Land Rover Defender 130
2025 Acura ZDX

Cooper Discoverer Rugged Trek

Where to buy

Our take

Pros

Cons

Spec facts

Available sizes

Ready to check availability?

Fits these vehicles

Related buying guides

All-season vs all-terrain tires

LT vs P-metric tires

Best tires for trucks