245/40R18 Tires
Find out if 245/40R18 fits your vehicle. Check out 245/40R18 tire size specifications and suggested replacement sizes.
What are 245/40R18 dimensions?
245/40R18 tire has a section width of 9.6 inches, a rim diameter of 18 inches, a sidewall height of 3.9 inches, an overall diameter of 25.7 inches, and a circumference of 80.7 inches, making 785 revolutions per mile.

9.6"
25.7"


80.7"
18"
3.9"
785 Revs/Mile
Metric | Inches | |
---|---|---|
Overall Diameter | 653 mm | 25.7" |
Tread Width | 245 mm | 9.6" |
Aspect Ratio | 40 % | |
Rim Diameter | 457.2 mm | 18" |
Sidewall Height | 98 mm | 3.9" |
Circumference | 2050.4 mm | 80.7" |
Revolutions | 488 per km | 785 per mile |
What is 245/40R18 in inches?
245/40R18 in inches is equivalent to 25.7x9.6R18.
What are replacement tire sizes for 245/40R18?
Replacement tires have to be within 3% of the original tire's overall diameter to ensure safe drive and proper speedometer readings. Below is a list of similar tire sizes that are within optimal characteristics of the original 245/40R18 size.
What cars does 245/40R18 tire size fit?
There are 65 car models that use 245/40R18 as original equipment tire size. Select your vehicle model for more details.
- Aston Martin DB7 Tire Size
- Audi A4 Tire Size
- Audi A4 Quattro Tire Size
- Audi A5 Tire Size
- Audi A5 Quattro Tire Size
- Audi A5 Sportback Tire Size
- Audi A6 Tire Size
- Audi A6 Quattro Tire Size
- Audi S4 Tire Size
- Audi S5 Tire Size
- Audi S5 Sportback Tire Size
- Audi TT Tire Size
- Audi TT Quattro Tire Size
- Audi TTS Quattro Tire Size
- Avanti Avanti Tire Size
- BMW 528i Tire Size
- BMW 528i xDrive Tire Size
- BMW 528xi Tire Size
- BMW 530i Tire Size
- BMW 530xi Tire Size
- BMW 535i Tire Size
- BMW 535i xDrive Tire Size
- BMW 535xi Tire Size
- BMW 545i Tire Size
- BMW 550i Tire Size
- BMW M3 Tire Size
- BMW M5 Tire Size
- Cadillac CTS Tire Size
- Jaguar S-Type Tire Size
- Jaguar XE Tire Size
- Lexus GS300 Tire Size
- Lexus GS350 Tire Size
- Lexus GS430 Tire Size
- Lexus GS450h Tire Size
- Lexus GS460 Tire Size
- Lexus SC430 Tire Size
- Mercedes-Benz C300 Tire Size
- Mercedes-Benz C350e Tire Size
- Mercedes-Benz C400 Tire Size
- Mercedes-Benz C43 AMG Tire Size
- Mercedes-Benz C450 AMG Tire Size
- Mercedes-Benz C63 AMG Tire Size
- Mercedes-Benz CLA45 AMG Tire Size
- Mercedes-Benz CLS500 Tire Size
- Mercedes-Benz CLS550 Tire Size
- Mercedes-Benz E320 Tire Size
- Mercedes-Benz E350 Tire Size
- Mercedes-Benz E400 Tire Size
- Mercedes-Benz E500 Tire Size
- Mercedes-Benz E55 AMG Tire Size
- Mercedes-Benz E550 Tire Size
- Mercedes-Benz E63 AMG Tire Size
- Mercedes-Benz SL500 Tire Size
- Mercedes-Benz SL600 Tire Size
- Mercedes-Benz SLR McLaren Tire Size
- Mitsubishi 3000GT Tire Size
- Mitsubishi Lancer Tire Size
- Nissan 350Z Tire Size
- Panoz AIV Roadster Tire Size
- Panoz Esperante Tire Size
- Subaru Impreza Tire Size
- Subaru WRX Tire Size
- Subaru WRX STI Tire Size
- Volvo S80 Tire Size
- Volvo V70 Tire Size