275/60R20 vs 285/60R20

275/60R20 vs 285/60R20: Comparision Size Chart


275/60R20 (Tire 1)285/60R20 (Tire 2)Difference
Tire Size In Inches33X10.8R2033.5X11.2R20
Diameter32.99"838 mm33.46"850 mm1.43%
Tread Width10.8275 mm11.2"285 mm3.64%
Rim Diameter20"508 mm20"508 mm0%
Sidewall Height6.5"165 mm6.73"171 mm3.64%
Circumference103.64"2632.65 mm105.12"2632.65 mm1.43%
Revs/Mile611.35 Revs/Mile602.74 Revs/Mile-8.61
Revs/Kilometer379.88 Revs/Mile374.53 Revs/Mile-5.35
Tire 1 Front View
10.8"
32.99"
Tire 2 Front View
10.8"
33.46"
Tire 1 Side View
Tire 1 Wheel
Circumference 1
103.64"
20"
6.5"
611.35 Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Circumference 2
105.12"
20"
6.73"
602.74 Revs/Mile

Speedometer Error

275/60R20 (Mph)285/60R20 (Mph)
2020.29
3535.5
5050.72
6565.93
8081.14
9091.29
100101.43

285/60R20 vs 275/60R20: Gas Mileage & Performance Comparison

* Below is a comparison table. Assuming 2 tires of the same manufacturer, material and tested on the same road conditions.

275/60R20285/60R20
Wet/Snowy RoadsBetter TractionReduced Traction
Rough TerrainReduced StabilitySmoother Ride
Handling/SteeringLess ResponsiveBetter
Gas MileageGoodBetter
Road NoiseQuieterQuiet
CostLess ExpensiveMore Expensive

Can You Replace The 275/60R20 With The 285/60R20?

Yes, both tires have the same rim diameter, and the 285/60R20 has a bigger overall diameter than the 275/60R20 which is only 1.41% (0.47-inch), it is the allowable margin (±3%).

When you want to replace a different tire size, as a rule, for the rim diameter, you will need to be sure that your tires and rims are an exact match, e.g. a 275/60R20 tire will only fit on a 20″ diameter rim.

You Can check our tools and charts below to find your size:

*Disclaimer: The information provided on the tire size is for general informational purposes only. We recommend that you consult a certified tire specialist or National Highway Traffic Safety Administration (NHTSA) sets specific guidelines for tires used on vehicles.


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Jamie Hicks

Sullivan Kane

Tire Technician at TireSizesCalculator

Sullivan is a Tire Technician specializing in tire repair at TireSizesCalculator. With over 6 years of experience in the industry, Sullivan has become an expert in tire repair, maintenance & installation.


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