That string of numbers and letters on your tyre sidewall isn't random - it tells you exactly what your car is designed to run. Here's how to read it, in plain English.
Take a typical example - 205/55 R16 91V. Each part means something:
The load index and speed rating aren't optional extras. Your car is designed for tyres rated to carry its weight and cope with its performance, so it's important to fit tyres that meet - or exceed - the ratings specified for your vehicle. Fitting a lower rating can be unsafe and can affect your insurance.
If you'd rather not crawl around the car, most online tyre tools let you enter your number plate to find the correct size. The most reliable references are the sidewall itself and the sticker in the driver's door shut, as they show exactly what the manufacturer specified.
As a rule, tyres should match across each axle, and ideally across the whole car, for balanced handling. Some performance cars use a "staggered" setup with different sizes front and rear - if in doubt, check the door sticker or just ask us.
“You don't need to memorise any of it - just send us your reg when you ask for a quote and we'll pull the exact size. But it's worth knowing where to look, because that little code tells you precisely what your car's designed to run.”
Not sure what you need? Send your reg and postcode for a free quote and we'll match the correct size and rating, then fit them at your door.
They show the tyre's width (mm), aspect ratio (%), construction, rim diameter (inches), load index and speed rating - for example 205/55 R16 91V.
Check the tyre sidewall, the sticker in the driver's door shut, your handbook, or use an online lookup with your number plate.
Stick to the sizes and load/speed ratings your manufacturer specifies. Changing size or fitting a lower rating can be unsafe and may affect insurance.
It's the maximum speed the tyre is designed for. Always fit tyres that meet or exceed your vehicle's specified rating.
Call now for a fast, no-obligation quote - or drop your details in and we'll come back to you.
07772 078 648We'll call you back as soon as we can. For anything urgent, call 07772 078 648.