What does the size 275/55R20 mean?

Reading left to right: 275 is the section width in millimetres, 55 is the sidewall height as a percentage of that width, and the tire mounts on a 20-inch wheel. All three must match what your vehicle specifies.

How much weight can this tire carry?

Load index 117 means one tire is rated to carry up to 2,833 lbs at its recommended inflation pressure. Check the placard inside your driver’s door and never fit a lower index than it lists.

What does the H speed rating mean?

It certifies the tire for sustained speeds up to 130 mph under standard test conditions. Do not fit a rating below your vehicle’s original specification. Always drive within posted limits.

What is load range XL?

Load range is the tire’s strength class, carried over from the old ply-rating system. This tire is XL, which determines how much weight it carries at a given inflation pressure.

Is this tire suitable for year-round use?

It is an all-season tire, built for dry, wet and light winter conditions. All-season tires are not a substitute for dedicated winter tires in severe snow or ice.

Does this tire have run-flat capability?

No. This is a standard tire, so a spare or repair kit is needed if you lose pressure.

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Cooper DISCOVERER TRAIL A/T 2755520 tire

Cooper Discoverer Road+trail A/T 275/55R20 tire

Size275/55R20

Rim20"

Load RangeXL

Cooper Discoverer Trail A/T 275/55R20

Name: Cooper Discoverer Trail A/T 275/55R20
Brand: Cooper
SKU: NAT-COOPER-171293049
Price: 215.44 USD
Availability: InStock

Discoverer · Road+trail · A/T

Price per tire

$215.44$239.99Save 10%

In stock

275/55R20 COOPER DISCOVERER ROAD+TRAIL A/T 117H XL

Cooper 275/55R20 SUV & Crossover

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Brand newFactory-fresh

Your choiceDoor or installer

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Specifications

The full spec sheet

ModelThe manufacturer's name for this tread pattern. The same model in another size shares the same tread design and rubber compound.: DISCOVERER TRAIL A/T
Speed RatingA letter code for the highest sustained speed the tire is built to handle — T is 118 mph, H is 130, V is 149. Don't fit a rating lower than the one your vehicle came with.: H (Up to 130 mph)
Load IndexA code for the maximum weight one tire can carry at its recommended inflation pressure. Match or beat the index listed on your driver's-door sticker.: 117
Load RangeThe tire's strength class, carried over from the old ply-rating system. C, D and E carry progressively more weight at higher inflation pressures — you'll mostly see them on trucks and vans.: XL
SeasonThe conditions the tread and rubber compound are designed for. All-season is the year-round default; winter tires stay flexible below 45°F; summer tires grip best in warm, dry weather and aren't made for snow.: All-Season
WeightWhat a single tire weighs. It doesn't change your price — delivery is quoted at checkout, not charged by weight.: 46 lbs
SidewallHow the lettering on the tire's outer wall is finished — blackwall, white letters, and so on. It's cosmetic and doesn't affect how the tire drives.: BW
Run FlatA reinforced sidewall that lets you keep driving a limited distance at reduced speed after losing air. Only fit these to a vehicle with tire-pressure monitoring.: No
Terrain: All-Terrain
WidthSection width in millimetres — the tire's width from sidewall to sidewall. It's the first number in a size like 225/65R17.: 275 mm
Aspect RatioThe sidewall height as a percentage of the section width — the second number in 225/65R17. A lower number means a shorter sidewall.: 55
Rim DiameterThe wheel diameter this tire mounts on, in inches. This one has to match your wheel exactly.: 20"
Part number: 171293049

Performance

Why this tire

Tread pattern balances on-road manners with loose-surface grip for mixed driving

All-season compound rated for dry, wet and light winter conditions

Extra Load (XL) construction carries more weight than a standard-load tire of the same size

Load index 117 — rated to carry up to 2,833 lbs per tire

Speed rating H, certified for sustained speeds up to 130 mph

275 mm section width, 55 series sidewall, mounts on a 20" wheel

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