Tyre size

245 / 40 R18 · every rim width

16 real, user-submitted fitments of 245/40 R18 across 6 rim widths, 9J to 12J. Pick a width to see its photos.

9J · 245/40 R18

1 fitment · 229 mm rim, 16 mm narrower than the tyre

9.5J · 245/40 R18

4 fitments · 241 mm rim, 4 mm narrower than the tyre

10J · 245/40 R18

3 fitments · 254 mm rim, 9 mm wider than the tyre

10.5J · 245/40 R18

3 fitments · 267 mm rim, 22 mm wider than the tyre

11J · 245/40 R18

1 fitment · 279 mm rim, 34 mm wider than the tyre

12J · 245/40 R18

4 fitments · 305 mm rim, 60 mm wider than the tyre

Most viewed 245/40 R18 fitments

An example of tyre stretch: 245/40 R18 on 9.5J

245/40 R189.5J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 10.5J – DUNLOP

DUNLOP10.5J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 10.5J – DUNLOP

DUNLOP10.5J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 10.5J – PIRELLI

PIRELLI10.5J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 7.0J – CONTINENTAL

CONTINENTAL7.0J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 10.0J – FALKEN

FALKEN10.0J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 9.5J – TRIANGLE

TRIANGLE9.5J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 10.0J – FALKEN

FALKEN10.0J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 11.0J

245/40 R1811.0J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 9.5J – TRIANGLE

TRIANGLE9.5J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 10.0J

245/40 R1810.0J · 245/40 R18

An example of tyre stretch: 245/40 R18 on 9.5J – TRIANGLE

TRIANGLE9.5J · 245/40 R18

Other R18 sizes

13 rim widths · 184 fitments

11 rim widths · 180 fitments

10 rim widths · 116 fitments

10 rim widths · 113 fitments

8 rim widths · 100 fitments

8 rim widths · 58 fitments

7 rim widths · 55 fitments

5 rim widths · 29 fitments

245/40 R18 rim widths: common questions

What rim widths has 245/40 R18 been stretched on?: TyreStretch.com has real photos of 245/40 R18 on 6 rim widths: 9J (1 photo), 9.5J (4 photos), 10J (3 photos), 10.5J (3 photos), 11J (1 photo), 12J (4 photos).
Which rim width has the most 245/40 R18 photos?: 9.5J, with 4 of the 16 photos. That reflects what the community has uploaded, not a fitment recommendation.
How much wider than a 245/40 R18 tyre is each rim?: A 245/40 R18 tyre has a nominal section width of 245 mm. The rims pictured run from 229 mm (9J) to 305 mm (12J) across the bead seats.