Nissan SKYLINE GT-R (R34) wheel sizes

Year	Wheel size	Offset	Bolt pattern	Tire size
Nissan SKYLINE GT-R (R34) 2,6L Turbo
1999	18x8.0	35		245/40R18 front
1999	18x9.0	35		265/35R18 rear
2000	18x8.0	35		245/40R18 front
2000	18x9.0	35		265/35R18 rear
2001	18x8.0	35		245/40R18 front
	18x8.0	35		245/40R18 front
	18x9.0	35		265/35R18 rear
2002	18x8.0	35		245/40R18 front
	18x8.0	35		245/40R18 front
	18x9.0	35		265/35R18 rear
2003	18x8.0	35		245/40R18 front
	18x8.0	35		245/40R18 front
	18x9.0	35		265/35R18 rear

Tire size 18 to 18, width 245 to 265 and tire aspect 35 to 40.
Smallest tire size: 265/35R18, Largest: 245/40R18.