Listed below is the assignment of the speed index to the respective vehicle model in combination with the approved wheel/tire combination.
USA all-season tires | Wheel Ø (in inches) | 19 | 20 | 19 MOE (R66) | 20 AMG disk wheel | 18 spare wheel | |||
FA | 255/50 | 265/45 | 255/50 | 265/45 | 195/75 | ||||
RA | 255/50 | 265/45 | 255/50 | 265/45 | 195/75 | ||||
Load index | 107 XL | 108 XL | 107 XL | 108 XL | 106 | ||||
Wheel dimension | 8Jx19 | 8.5Jx20 | 8Jx19 | 8.5Jx20 | 6.5Bx18 | ||||
Wheel offset (ET) | 67 | 60 | 67 | 60 | 40 | ||||
Vehicle model | |||||||||
251.165 | H | H | H | H | P | ||||
251.125 | - - | - - | H | - - | - - | ||||
251.157 | H | H | H | H | P |
Canada all-season tires | Wheel Ø (in inches) | 19 | 20 | 19 MOE (R66) | 20 AMG disk wheel | 18 spare wheel | |||
FA | 255/50 | 265/45 | 255/50 | 265/45 | 195/75 | ||||
RA | 255/50 | 265/45 | 255/50 | 265/45 | 195/75 | ||||
Load index | 107 XL | 108 XL | 107 XL | 108 XL | 106 | ||||
Wheel dimension | 8Jx19 | 8.5Jx20 | 8Jx19 | 8.5Jx20 | 6.5Bx18 | ||||
Wheel offset (ET) | 67 | 60 | 67 | 60 | 40 | ||||
Vehicle model | |||||||||
251.156 | H | H | H | H | P | ||||
251.125 | H | H | H | H | - - | ||||
251.172 | H | H | H | H | P | ||||
251.157 | H | H | H | H | P |