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245/40R18 Tires

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Vehicles that commonly use 245/40R18

Based on factory fitment data. Trims differ, so always confirm the size printed on your tire’s sidewall before ordering.

• Subaru WRX (2015–2024)
• BMW 5 Series (2004–2023)
• Audi TT (2016–2023)
• Chevrolet Corvette (2005–2019)
• Mercedes-Benz CLS (2012–2018)
• Audi A5 (2008–2017)
• Audi A4 (2002–2016)
• Mercedes-Benz E-Class (2003–2016)
• Acura RL (2005–2012)
• Lexus GS (2006–2011)
• Mercedes-Benz C-Class (2001–2007)

How to read 245/40R18

The first number (245) is the tire width in millimeters. The second (40) is the sidewall height as a percentage of the width, and R18 means a radial tire for a 18-inch wheel.

Need help choosing?

Call or text (571) 402-8698 with a photo of your sidewall and we’ll confirm the size before you buy.

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