Canyon Car from Trackmania 2 with 15 skin variations along with a working steering wheel.
Also the first ever car mod for GTA IV with livery support on rims.

Use https://gtaforums.com/topic/955449-iv-zolikapatch/ to unlock the 4 livery limit and make the steering wheel move

Vehicles.ide:
canyoncar, canyoncar, car, CANYON, SABREGT, VEH@LOW, NULL, 50, 999, 0.2974, 0.2974, 0, 5, 1.0 ,0 livery+wheelangle:-14.98

Handling.dat:
CANYON 1700.0 7.5 85 0.0 0.0 0.1 0.0 5 0.23 1.0 155.0 0.25 0.65 0.7 35.0 1.35 1.10 13.5 0.15 0.48 2.0 1.2 1.2 0.13 -0.13 0.0 0.5 1.0 1.0 0.8 1.5 0.0 25000 440010 1 0

Carcols.dat:
canyoncar, 133,133,133,1,