Cooper
Cooper Discoverer Road Trail AT Tires
winterALL-TERRAIN
The Cooper Discoverer Road Trail AT (available in 4 sizes) is a all-terrain tire with cold-weather capability. Built for trucks that require the listed tire size, with a 111 load index and t speed rating where applicable.
Key Features
- Sizes available: 4 (245/75R16, 245/65R17, 265/70R18, 275/55R20)
- Load Index: 111
- Speed Rating: t
- Tread Type: All-Terrain
- Season: winter
- UTQG: 620AB
- Mileage Warranty: 65K
- Country of Origin: USA
Installing at Road Runner Wheels & Tires
Road Runner Wheels & Tires can mount and balance your tires, service TPMS sensors when needed, and help confirm the correct tire size for your vehicle.
Send your year, make, and model before ordering so we can confirm this tire size is correct for your vehicle. Call (678) 400-6467 or (678) 400-6467.
The Cooper Discoverer Road Trail AT is an all-terrain (A/T), winter / snow tire.
Drivers who care about how a vehicle feels on the road need a tire that turns in cleanly, holds the line, and stops short. The Cooper Discoverer Road Trail AT in 275/55-20 is a performance option built for confident, real-world performance.
With a load index of 117, it supports the payload demands of full-size trucks and SUVs while maintaining a H-speed rating for everyday highway use.
All-season compound adapts to dry pavement and light wet conditions for predictable handling year-round. Commonly chosen by owners running daily driving and spirited weekend runs, the Discoverer Road Trail AT bridges the gap between capability and comfort.
A maximum load capacity of 2833 lbs lbs make it suitable for full-size trucks and SUVs carrying gear, equipment, or cargo without frequent pressure adjustments.
| Manufacturer | Cooper |
|---|---|
| Tire Line | Discoverer Road Trail AT |
| Size | 275/55-20 |
| Section Width (mm) | 275 |
| Aspect Ratio | 55 |
| Rim Diameter | 20" |
| Load Index | 117 |
| Speed Rating | H |
| UTQG | 620AB |
| Max Load | 2833 lbs |
| Season | winter |
| Tread Type | ALL-TERRAIN |
| Run-Flat | No |
| Sidewall | Black Sidewall |
| Mileage Warranty | 65K miles |
| Country of Origin | USA |
| Manufacturer Part Number | 171293049 |
| UPC / GTIN | 29142985761 |
| Free Shipping | Yes — Continental US |
Wet Traction85/100
Dry Handling88/100
Tread Life86/100
Ride Comfort86/100
Scoring blended from manufacturer specs and tread design. Real-world results vary by vehicle, alignment, load, and conditions.
No customer reviews yet for this tire. Be the first — your review helps the next driver pick with confidence.
Bought these? Call us at (678) 400-6467Cooper Discoverer Road Trail AT — Frequently Asked Questions
What sizes of the Cooper Discoverer Road Trail does Road Runner carry?
We stock the Cooper Discoverer Road Trail in 16" to 20" — so most truck or SUVs can be fitted or shipped fast. Don't see your size listed? Call 678-400-6467 and we'll source it.
Can Road Runner install my Cooper Discoverer Road Trail the same day?
In most cases, yes. We mount, balance, and install in our shop, often same-day. Out-of-state? We ship your Cooper Discoverer Road Trail straight to your door.
Will the Cooper Discoverer Road Trail fit my truck or SUV?
Enter your year, make, and model in our fitment tool, or call 678-400-6467. We confirm the exact Cooper Discoverer Road Trail size and load rating for your truck or SUV before you buy, so it fits right the first time.
Is the Cooper Discoverer Road Trail good for both highway and off-road?
Yes — the Cooper Discoverer Road Trail is an all-terrain designed to balance smooth, quiet highway miles with real traction on dirt, gravel, and light off-road. It's a great all-around choice for trucks and SUVs that see a mix of pavement and trail.
Build your package
Add matching wheels
Picked your tires — now pick the wheels they bolt to. Browse by size or use our vehicle finder to match what fits.
How it works
- 1Pick your size, load & speed above
- 2Add 4 to cart or reserve in-store
- 3Schedule mount & balance at pickup
Acima
Lease-to-own — no credit needed
You can apply now, or pick this option at checkout — your choice.
Final approval and terms are determined by the lender.
Shopping tires near you in the Atlanta metro? Every tire we sell mounts + balances same day at our Marietta tire shop — 1585 Roswell Rd. Serving Marietta, Atlanta, Cobb County, Kennesaw, Smyrna, Sandy Springs, Roswell, Alpharetta, Buckhead + Vinings.
Sign in to your garage
Save your vehicles, favorite wheels and orders across all your devices.
Where are we shipping to?
Enter your ZIP code to see accurate delivery times, local install scheduling, and local warehouse inventory.
Please enter a 5-digit ZIP code.