Whats the first number on a tire?
Score: 4.5/5 (29 votes) The first number to appear in your tire size information is the width, in millimeters, of the correct tires for your vehicle: P225/70R16 91S. Tire width always refers to the measurement from one sidewall to another.Can I use 235 tires instead of 225?Are 225 and 235 Tires Inte...