Tire size cross-reference
Vehicles with 225/45R18 tires
225/45R18 — 225 mm wide, 45% aspect, 18″ rim, 26″ overall diameter. 3 vehicles in our data use this size.
Same size ≠ same tire
Every vehicle above runs 225/45R18 tires, but they may need different load indices and speed ratings. A 225/45R18 tire rated for a sedan won't necessarily handle an SUV's weight. Match the full spec on your door-jamb placard — size alone isn't enough.
FAQ
What vehicles use 225/45R18 tires?
In our data, 3 vehicles use 225/45R18, including BMW 3 Series, Mercedes-Benz C-Class, Volkswagen Jetta. More are being added.
What is the overall diameter of 225/45R18?
225/45R18 tires have an overall diameter of 26″ (659.7 mm), with a 101.3 mm sidewall height. The section width is 225 mm.
Are 225/45R18 tires interchangeable between these vehicles?
They're the same physical tire size, so they'll fit the rim — but each vehicle may require different load ratings, speed ratings, and TPMS calibration. Always match the specs on your door-jamb placard, not just the size.
Vehicle lists reflect documented OEM tire fitments and are a starting reference. Confirm tire size, load rating, and speed rating against the door-jamb placard or owner's manual before buying tires.