Continental · ProContact RX · 225/45R18
Continental ProContact RX 225/45R18 91V
Run-flatEVThe size 225/45R18 means a tire 225 mm wide, with a sidewall 45% as tall as it is wide (about 101 mm), built for 18-inch wheels. Load index 91 means each tire can carry up to 615 kg (1,356 lb), or 2,460 kg for a set of four. Speed rating V means it is certified for sustained speeds up to 240 km/h (149 mph). It is a run-flat tire and can be driven a limited distance after losing pressure, on vehicles with tire pressure monitoring.
$380.00 per tire
Set of 4: $1,520.00 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 CT 15572050000 · GTIN 051342212347
Specifications
| Size | 225/45R18 |
|---|---|
| Load index | 91 — 615 kg (1,356 lb) per tire |
| Speed rating | V — 240 km/h (149 mph) |
| Season | All-season |
| 3PMS (severe snow) | No |
| XL | No |
| Run-flat | Yes |
| Studdable | No |
| UTQG | 400 A A |
| Tread depth (new) | 9/32″ (7.1 mm) |
| Overall diameter | 660 mm (26.0″) |
| Revolutions per km | 482 |
| Tire type | Passenger |
About the Continental ProContact RX
The Continental ProContact RX is a grand-touring all-season tire supplied as original equipment on many premium cars and EVs, often in SSR run-flat, noise-reducing or maker-marked versions, with a treadwear warranty of up to 90,000 km.
Vehicles that use 225/45R18
- BMW 430i 2017–2024
- Mercedes-Benz C300 2015–2024
- BMW 330i 2017–2024
- Polaris Slingshot 2015–2024
- Alfa Romeo Giulia 2017–2024
- Kia Niro 2017–2024
- BMW M440i 2021–2024
- BMW 330e 2017–2024
- Mercedes-Benz CLA250 2020–2024
- BMW Z4 2006–2024
- BMW M340i 2020–2024
- BMW 230i 2022–2024
- Volkswagen Jetta 2019–2024
- Mercedes-Benz C43 2017–2023
- Kia Stinger 2018–2023
- Genesis G70 2019–2023
- Mercedes-Benz A220 2019–2022
- BMW 440i 2017–2020
Original-equipment fitments from our vehicle database. Confirm the size on your door placard before ordering.
Other Continental ProContact RX sizes
- 205/55R16 91H
- 225/45R17 91V
- 225/45R18 91V
- 225/45R18 95V XL
- 235/40R18 91V
- 235/40R18 91V
- 235/50R18 97W
- 225/55R19 103H XL
- 235/35R19 91V XL
- 235/40R19 92H
- 235/40R19 96W XL
- 235/40R19 96W XL
- 235/50R19 103H XL
- 235/50R19 99H
- 235/55R19 105T XL
- 245/40R19 94W
- 245/45R19 102V XL
- 255/40R19 96W
- 255/45R19 100H
- 255/45R19 104W XL
- 255/45R19 104W XL
- 255/45R19 104W XL
- 255/45R19 104V XL
- 255/45R19 104H XL
- 255/50R19 107T XL
- 275/35R19 96W
- 275/45R19 108H XL
- 275/45R19 108H XL
- 285/40R19 107V XL
- 235/50R20 104T XL
- 245/45R20 103H XL
- 255/45R20 105T XL
- 285/40R20 108H XL
- 265/35R21 101H XL
- 305/30R21 104H XL
- 325/30R21 108V XL
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Questions about the Continental ProContact RX 225/45R18
Which vehicles use 225/45R18 tires?
225/45R18 is original equipment on vehicles including the BMW 430i (2017–2024), Mercedes-Benz C300 (2015–2024), BMW 330i (2017–2024), Polaris Slingshot (2015–2024), Alfa Romeo Giulia (2017–2024), Kia Niro (2017–2024). Check the placard on your driver’s door jamb to confirm your size.
What does 91V mean on the Continental ProContact RX 225/45R18?
The load index 91 means each tire carries up to 615 kg, and speed rating V means it is rated for up to 240 km/h. Choose a load index and speed rating at least equal to your vehicle’s placard.
Can I use the Continental ProContact RX 225/45R18 in winter?
It is an all-season tire without the 3PMS symbol, so it is not a winter tire. In Quebec it cannot be used from December 1 to March 15, and in Ontario we recommend a winter or all-weather tire for snow.
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.