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How much fuel the tyre uses as it rolls. Graded A to E, where A is the most efficient and E the least.
How well the tyre stops in the wet. Graded A to E, where A is the shortest stopping distance. Each grade is worth roughly 3 metres, about a car length.
How loud the tyre is from outside the car, measured in decibels. Graded A to C, where A is the quietest.
Designed for cars, rather than vans, 4x4s or commercial vehicles.
A stronger sidewall lets this tyre carry more weight than a standard tyre of the same size. Marked XL on the sidewall.
Designed for temperatures below 7°C. Summer tyre rubber hardens in the cold and loses grip, while a winter compound stays soft and holds the road in cold, wet and snowy conditions.
245/45 R21 fits large wheels on premium SUVs and some electric vehicles where the wheel is positioned at the edge of the wheel arch. The meaning of the numbers is: 245 is the width of the tyre in millimetres. 45 is the sidewall height as a percentage of 245, meaning it's 110mm. R21 is a 21-inch radial tyre. The total diameter is 754mm. Tyres.co.uk stocks 245/45 R21, including extra load versions.
We take care of everything for you with our fully fitted prices:
You pay online for the tyres and the fitting, so when you come for your appointment, there are no extra charges for the tyre fitting.
The price shown for mail-order tyres covers the tyre only (including VAT). Once you’ve selected your tyres and proceed to the basket, a delivery fee will be added to your order. Please be aware that certain areas of the country may incur additional delivery charges and, in some cases, slightly longer delivery times.
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