Tire specs
- Load index
- 113
- Speed rating
- H (130 mph)
- Load range
- Extra load (XL)
- Tread depth
- 8/32"
- Item #
- 2854521GOO103019629
2026 BMW Alpina XB7 Base — 285/45R21
2026 BMW Alpina XB7 Base
- Factory size
- 285/45R21
- Load / speed
- 113Y
14 tire results
Factory-size matches for your vehicleTire specs
- Load index
- 113
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2854521PIR4072900
What size tires does the 2026 BMW Alpina XB7 Base take?
The factory tire size for the 2026 BMW Alpina XB7 Base is 285/45R21.
The catalog lists it at load index 113, speed rating Y (up to 186 mph).
This trim is also listed with 285/35R23 front and 325/30R23 rear. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 285/45R21 | 113 | Y |
| Front | 285/35R23 | 107 | Y |
| Rear | 325/30R23 | 109 | Y |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.