245/40R18 tires
245/40R18 is the factory size on 3 vehicles in our list. Ask us about price and availability; we can usually get it within a day or two.
Tire size 245/40R18: 245 millimetres wide, sidewall 40 percent of the width, fits a 18-inch wheel.
In stock in 245/40R18
All tires in stockNothing in 245/40R18 on the shelf right now. Shipments arrive often, and we can order this size in. Ask for a price.
Vehicles that use 245/40R18
Factory fitments by model year and trim. Different trims of one model often use different sizes, so confirm with the sticker inside your driver's door.
Audi
- A4 2017–2025 45 TFSI quattro, Premium Plus, Prestige
Mercedes-Benz
- C-Class 2015–2021 C 350e, AMG C 43 rear; 2022–2025 C 300 / C 300 4MATIC rear
Close alternatives to 245/40R18
These sizes fit the same wheel and are within 3% of the overall height. A substitute must also match or beat your vehicle's load index, so we confirm fit before installing.
Get a quote for 245/40R18
Tell us how many tires you need and whether you want them mounted on steel wheels. We reply with options at a few price points.