
Cooper Discoverer AT3 Tires
All-Terrain Performance for Trucks & SUVs — 163 tires, different sizes, From $104
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Trusted by 10,000+ customers across the USA ★★★★★ 4.8/5 from verified buyers
The Cooper Discoverer AT3 delivers all-terrain grip for trucks and SUVs without sacrificing highway comfort. 163 tires in stock — find yours below and get it shipped in 24 hours.
Know your Cooper Discoverer AT3 Tires size? Jump straight to it:
Prices from $104 per tire — updated daily
225–245 width: 235/70R16 235/75R15 245/70R16 245/70R17 245/75R16 245/75R17 LT225/75R16 LT235/75R15 LT245/75R16 LT245/75R17
255–265 width: 255/70R16 255/70R17 255/75R17 265/65R17 265/70R16 265/70R17 265/75R16 LT265/60R20 LT265/70R17 LT265/75R16
275–285 width: 275/60R20 275/65R18 275/70R17 275/70R18 275/75R16 285/70R17 285/75R16 285/75R17 285/75R18 LT275/65R18 LT275/70R17 LT275/70R18 LT285/75R16 LT285/75R17 LT285/75R18
295–315 width: 295/70R17 295/75R16 305/55R20 305/65R17 305/70R16 315/70R17 LT295/70R17 LT295/75R16 LT305/55R20 LT305/65R17 LT315/70R17
Numeric sizes (31"–33"): 31X10.50R15 33X12.50R15
Most buyers spend $420–$680 for a set of 4 · Order by 3PM EST for same-day dispatch
Not sure this fits your vehicle? Call us: (530) 761-2830
Which Cooper Discoverer AT3 is right for you?
Cooper Discoverer AT3 — Standard For passenger metric sizes. Your size starts with a number like 225 or 265.
Sizes: 225, 235, 245, 255, 265, 275
Load rating: 4-ply standard
Best for: daily drivers, crossovers, lighter SUVs
Treadwear warranty: 60,000 miles
Cooper Discoverer AT3 XLT — Heavy Duty For LT metric sizes. Your size starts with LT.
Sizes: LT245, LT265, LT275, LT285, LT295, LT305
Load rating: 6-ply (Load Range D) or 10-ply (Load Range E)
Best for: heavy trucks, towing, hauling, work vehicles
Treadwear warranty: 55,000 miles
Quick rule: If your tire starts with "LT" → choose AT3 XLT. If it starts with a number like 225 or 265 → choose the standard AT3.
Fits your vehicle?
Ford F-150 - Chevy Silverado - Toyota Tacoma - Toyota 4Runner Jeep - Wrangler Jeep Gladiator - Ram 1500 - GMC Sierra - Ford Ranger - Nissan Frontier - Honda Ridgeline - Dodge Durango
Frequently Asked Questions
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