245/65R17 vs 245/70R17

245/65R17 vs 245/70R17: Comparision Size Chart


245/65R17 (Tire 1)245/70R17 (Tire 2)Difference
Tire Size In Inches29.5X9.6R1730.5X9.6R17
Diameter29.54"750.3 mm30.5"774.8 mm3.27%
Tread Width9.6245 mm9.6"245 mm0%
Rim Diameter17"431.8 mm17"431.8 mm0%
Sidewall Height6.27"159.25 mm6.75"171.5 mm7.69%
Circumference92.8"2357.14 mm95.82"2357.14 mm3.27%
Revs/Mile682.76 Revs/Mile661.24 Revs/Mile-21.52
Revs/Kilometer424.25 Revs/Mile410.88 Revs/Mile-13.37
Tire 1 Front View
9.6"
29.54"
Tire 2 Front View
9.6"
30.5"
Tire 1 Side View
Tire 1 Wheel
Circumference 1
92.8"
17"
6.27"
682.76 Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Circumference 2
95.82"
17"
6.75"
661.24 Revs/Mile

Speedometer Error

245/65R17 (Mph)245/70R17 (Mph)
2020.65
3536.14
5051.64
6567.13
8082.62
9092.94
100103.27

245/70R17 vs 245/65R17: Gas Mileage & Performance Comparison

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

245/65R17245/70R17
Wet/Snowy RoadsBetter TractionReduced Traction
Rough TerrainReduced StabilitySmoother Ride
Handling/SteeringLess ResponsiveLess Responsive
Gas MileageGoodBetter
Road NoiseQuieterQuieter
CostLess ExpensiveMore Expensive

Can You Replace The 245/65R17 With The 245/70R17?

No, both tires have the same rim diameter, but the 245/70R17 has a bigger overall diameter than the 245/65R17 which is 3.16% (0.96-inch).

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 245/65R17 tire will only fit on a 17″ 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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