Only works if you are comparing same wheel and tyre size, this thing came standard with 14 x 6 rims and now has 16 x 7 rims, by measuring from the wheel centre to the guard lip, only the tyre and wheel size of our car is relevant.Thanks though. What size rims 16 x ? and rubber on that Gonzalis? Not keen to go superlow, his first car and he can be a brainless twit, I dont want it to attract too much attention from the NSW fundraising dept. Thanks Squizz