Ok, here's my faves....

Top Gear (BBC2)
American Chopper (Discovery)
American Hotrod (Home & Leisure)
Wheeler Dealers (Home & Leisure)
Deals On Wheels (Home & Leisure)
Dream Machines (Home & Leisure)
Overhaulin' (Home & Leisure)
Pimp My Ride (MTV)

Must be more....

I absolutely hate the "Max Power Muppet" type shows over on Men & Motors.....