mph difference tire sizes
Speed Variance. When your speedometer reads mph with the new tires, your vehicle will actually be traveling at 70.00 mph, which is 0.00% faster than the original tires. Diameter Variance. The overall diameter variance of the new tire is 0 millimeters 0.00 inches, which is 0.00% different than the original. You should never go beyond 3% of the original tire, otherwise you run the risk of brake failure.