Bridgestone · Potenza RE-71RS · 255/40R18
Bridgestone Potenza RE-71RS 255/40R18 99W
XLThe size 255/40R18 means a tire 255 mm wide, with a sidewall 40% as tall as it is wide (about 102 mm), built for 18-inch wheels. Load index 99 means each tire can carry up to 775 kg (1,709 lb), or 3,100 kg for a set of four. Speed rating W means it is certified for sustained speeds up to 270 km/h (168 mph). It is an XL (extra load) tire, reinforced to carry more weight at higher inflation pressure.
$434.00 per tire
Set of 4: $1,736.00 before tax
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SKU BS 006159 · GTIN 092971314637
Specifications
| Size | 255/40R18 |
|---|---|
| Load index | 99 — 775 kg (1,709 lb) per tire |
| Speed rating | W — 270 km/h (168 mph) |
| Season | Summer |
| 3PMS (severe snow) | No |
| XL | Yes |
| Run-flat | No |
| Studdable | No |
| UTQG | 200 A A |
| Tread depth (new) | 7/32″ (5.6 mm) |
| Overall diameter | 661 mm (26.0″) |
| Revolutions per km | 482 |
| Tire type | Passenger |
About the Bridgestone Potenza RE-71RS
The Bridgestone Potenza RE-71RS is an extreme-performance summer tire for enthusiasts, autocross and track days, offering exceptional dry grip at the expense of tread life and wet-weather and cold performance.
Vehicles that use 255/40R18
- BMW Z4 2019–2024
- Toyota Supra 2021–2024
- Mercedes-Benz C63 2017–2021
- BMW M4 2015–2020
- Mercedes-Benz CLS550 2007–2018
- Mercedes-Benz SL550 2007–2018
- BMW M3 2015–2018
- Mercedes-Benz CLS400 2016–2017
- Mercedes-Benz SL450 2017
- Mercedes-Benz SL400 2016
- Audi S6 2007–2011
- Mercedes-Benz E63 2010–2011
- Mercedes-Benz SL600 2004–2010
- Mercedes-Benz SL55 2003–2007
- Mercedes-Benz SL500 2004–2006
- Ferrari 575M 2002–2006
- Mercedes-Benz CLS500 2006
- Mercedes-Benz CLS55 2006
Original-equipment fitments from our vehicle database. Confirm the size on your door placard before ordering.
Other Bridgestone Potenza RE-71RS sizes
- 205/50R15 86V
- 225/50R15 91V
- 195/50R16 84V
- 195/55R16 87V
- 205/45R16 87W XL
- 205/50R16 87V
- 205/55R16 91V
- 215/45R16 86W
- 225/50R16 92V
- 205/45R17 88W XL
- 215/45R17 91W XL
- 225/45R17 94W XL
- 235/45R17 94W
- 245/40R17 91W
- 245/45R17 95W
- 255/40R17 98W XL
- 215/40R18 89W XL
- 215/45R18 93W XL
- 225/40R18 92W XL
- 225/45R18 95W XL
- 225/50R18 95W
- 235/40R18 95W XL
- 245/40R18 97W XL
- 245/45R18 100W XL
- 255/35R18 94W XL
- 265/35R18 97W XL
- 275/35R18 95W
- 285/30R18 93W
- 295/30R18 94W
- 295/35R18 99W
- 235/35R19 91W XL
- 245/35R19 93W XL
- 245/40R19 98W XL
- 255/35R19 96W XL
- 275/35R19 96W
- 285/35R19 103W XL
- 285/35R20 100W
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Questions about the Bridgestone Potenza RE-71RS 255/40R18
Which vehicles use 255/40R18 tires?
255/40R18 is original equipment on vehicles including the BMW Z4 (2019–2024), Toyota Supra (2021–2024), Mercedes-Benz C63 (2017–2021), BMW M4 (2015–2020), Mercedes-Benz CLS550 (2007–2018), Mercedes-Benz SL550 (2007–2018). Check the placard on your driver’s door jamb to confirm your size.
What does 99W mean on the Bridgestone Potenza RE-71RS 255/40R18?
The load index 99 means each tire carries up to 775 kg, and speed rating W means it is rated for up to 270 km/h. Choose a load index and speed rating at least equal to your vehicle’s placard.
Can I use the Bridgestone Potenza RE-71RS 255/40R18 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.