Michelin · Pilot Sport 4 SUV · 255/40R21
Michelin Pilot Sport 4 SUV 255/40R21 102Y
XLThe size 255/40R21 means a tire 255 mm wide, with a sidewall 40% as tall as it is wide (about 102 mm), built for 21-inch wheels. Load index 102 means each tire can carry up to 850 kg (1,874 lb), or 3,400 kg for a set of four. Speed rating Y means it is certified for sustained speeds up to 300 km/h (186 mph). It is an XL (extra load) tire, reinforced to carry more weight at higher inflation pressure.
$654.00 per tire
Set of 4: $2,616.00 before tax
In stock
- Free delivery in ON & QC, 1–3 business days
- Or pick up in Etobicoke
- 30-day returns on unused tires (see policy)
SKU MI 29957 · GTIN 086699299574
Specifications
| Size | 255/40R21 |
|---|---|
| Load index | 102 — 850 kg (1,874 lb) per tire |
| Speed rating | Y — 300 km/h (186 mph) |
| Season | Summer |
| 3PMS (severe snow) | No |
| XL | Yes |
| Run-flat | No |
| Studdable | No |
| UTQG | 220 A A |
| Tread depth (new) | 9/32″ (7.1 mm) |
| Overall diameter | 737 mm (29.0″) |
| Revolutions per km | 432 |
| Tire type | Passenger |
About the Michelin Pilot Sport 4 SUV
The Michelin Pilot Sport 4 SUV is a summer performance tire for sporty and luxury SUVs, bringing car-like steering precision and strong wet and dry grip to larger vehicles.
Vehicles that use 255/40R21
- Audi SQ5 2014–2024
- Volvo XC60 2018–2024
- Rolls Royce Ghost 2014–2024
- Mercedes-Benz GLC 43 2017–2024
- BMW X3 2020–2024
- BMW X4 2020–2024
- Alfa Romeo Stelvio 2021–2024
- Genesis GV70 2022–2024
- Maserati Grecale 2023–2024
- BMW i7 2023–2024
- Audi Q5 2017–2024
- BMW 740i 2023–2024
- BMW 760i 2023–2024
- Genesis GV60 2023–2024
- Kia EV6 2023–2024
- BMW 750e 2024
- Mercedes-Benz S63 2024
- Rolls Royce Wraith 2014–2021
Original-equipment fitments from our vehicle database. Confirm the size on your door placard before ordering.
Other Michelin Pilot Sport 4 SUV sizes
- 235/65R17 108V XL
- 235/60R18 107W XL
- 235/55R19 105Y XL
- 235/60R19 107V XL
- 245/50R19 105W XL
- 255/55R19 111Y XL
- 275/50R19 112Y XL
- 225/40R20 94Y XL
- 235/45R20 100V XL
- 245/50R20 102V
- 255/45R20 105W XL
- 255/45R20 105W XL
- 255/45R20 105W XL
- 255/55R20 110Y XL
- 275/40R20 106Y XL
- 275/50R20 113Y XL
- 285/45R20 112Y XL
- 305/40R20 112Y XL
- 235/45R21 101Y XL
- 235/50R21 101W
- 255/40R21 102Y XL
- 255/40R21 102Y XL
- 265/40R21 105Y XL
- 275/40R21 107Y XL
- 275/45R21 110Y XL
- 285/45R21 113Y XL
- 295/35R21 107Y XL
- 315/35R21 111Y XL
- 315/40R21 115Y XL
- 275/35R22 104Y XL
- 275/40R22 107Y XL
- 275/40R22 108Y XL
- 315/30R22 107Y XL
- 315/35R22 111Y XL
- 285/35R23 107Y
Similar tires in 255/40R21
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Questions about the Michelin Pilot Sport 4 SUV 255/40R21
Which vehicles use 255/40R21 tires?
255/40R21 is original equipment on vehicles including the Audi SQ5 (2014–2024), Volvo XC60 (2018–2024), Rolls Royce Ghost (2014–2024), Mercedes-Benz GLC 43 (2017–2024), BMW X3 (2020–2024), BMW X4 (2020–2024). Check the placard on your driver’s door jamb to confirm your size.
What does 102Y mean on the Michelin Pilot Sport 4 SUV 255/40R21?
The load index 102 means each tire carries up to 850 kg, and speed rating Y means it is rated for up to 300 km/h. Choose a load index and speed rating at least equal to your vehicle’s placard.
Can I use the Michelin Pilot Sport 4 SUV 255/40R21 in winter?
No. Summer tires lose grip below about 7 °C and must not be used on snow or ice. Switch to winter tires for the cold season.
How fast is delivery and is it free?
Delivery is free to any address in Ontario or Quebec, usually within 1 to 3 business days. You can also pick up your order at 321 Rexdale Blvd, Etobicoke, Monday to Friday from 9 a.m. to 5 p.m.