Rim diameter
18″ tire sizes
All common 18-inch passenger tire sizes in our catalog. 18″ rims sit in the sport sedan and crossover segment — see the full list below with one-click access to specifications and a comparison calculator.
All 18″ tire sizes (24)
215/40 R18
Ø 629 mm
215/45 R18
Ø 651 mm
225/40 R18
Ø 637 mm
225/45 R18
Ø 660 mm
225/50 R18
Ø 682 mm
225/55 R18
Ø 705 mm
235/40 R18
Ø 645 mm
235/45 R18
Ø 669 mm
235/50 R18
Ø 692 mm
235/55 R18
Ø 716 mm
235/60 R18
Ø 739 mm
245/35 R18
Ø 629 mm
245/40 R18
Ø 653 mm
245/45 R18
Ø 678 mm
245/60 R18
Ø 751 mm
255/35 R18
Ø 636 mm
255/40 R18
Ø 661 mm
255/45 R18
Ø 687 mm
255/55 R18
Ø 738 mm
265/40 R18
Ø 669 mm
265/60 R18
Ø 775 mm
275/35 R18
Ø 650 mm
275/40 R18
Ø 677 mm
285/60 R18
Ø 799 mm
Common upgrades from 18″
215/40 R18 → 215/45 R18Compare →215/45 R18 → 225/40 R18Compare →225/40 R18 → 225/45 R18Compare →225/45 R18 → 225/50 R18Compare →