This size is widely used on large SUVs and sporty 4x4s with 21-inch wheels, including common fitments on models such as the BMW X5 and X6, Range Rover Sport and selected Audi Q7 specifications. Always confirm against your door-jamb sticker, handbook, or the markings on your current tyres because wheel options and trims can change the approved size.
Many tyres in this size are offered with load indices around 109 to 111, which suits the demands of heavier vehicles when it matches the manufacturer specification. Check the required load index on the vehicle placard and choose a tyre that meets or exceeds it, then keep the same load index on both tyres across the axle.
Yes, runflat versions are available from several manufacturers in this size, often to match original equipment on certain SUV trims. If your vehicle was supplied with runflats, confirm whether it is approved to switch to non-runflats and ensure you still have a puncture plan in place, such as a mobility kit, plus correctly functioning TPMS.
In many SUV applications this size is used on the rear axle with a narrower front tyre, but the exact pairing must match the manufacturer-approved combination for your model, wheel width and drivetrain. Keep the same tyre model across each axle and avoid mixing patterns or constructions, then double-check that the rolling circumference difference stays within the vehicle maker’s tolerance.
Summer tyres suit warm-weather grip and sharper handling, while winter tyres (look for the 3PMSF symbol) are designed for cold temperatures and snow performance. All-season tyres can be a strong year-round choice for much of the UK if you want fewer seasonal changes, especially for mixed urban and motorway use in this size.