What is the 3% rule for tires?
The 3% rule states that when replacing tires, the new tire’s diameter should not differ from the original by more than 3%. This guideline helps maintain proper vehicle performance, safety system functionality, and speedometer accuracy. As a general rule, you want replacement tires that are within 3 percent of the diameter (height) measurement of the tires originally on your vehicle.
Are 275 tires taller than 265?
How much taller is a 275 tire than a 265? A 275 tire typically measures around 0. It is sufficient to enhance ground clearance, but usually not enough to necessitate recalibrating most speedometers. Tire Width 245mm tires are 20mm (0. The width difference between 225, 245, and 265 sizes directly affects how the car behaves.A 235 tire is 10mm wider than a 225. The total height also depends on the sidewall ratio and rim size, so check the full tire specs before switching.