Joseph "Rocky" Rockford drove a GMC Sierra Classic pickup truck throughout the series.
In the course of the storylines Jim often borrowed Rocky's truck when his own Firebird was being repaired from its frequent major damage sustained during cases, or was too "hot" (i.e., the LAPD, which knew Jim well, was seeking to bring him in.)
Rocky's truck had a 400-cubic-inch engine, Turbo 400 automatic transmission, and a four-wheel drive factory setup.[1]
The custom exterior paint was silver with maroon panels and orange pinstriping.
Additionally, the truck sported various after-market accessories added by noted California customizer[2] and off-road racer,[3] Vic Hickey,[4] including the winch, brush guard, hubcap covers, sidestep bed plates, auxiliary gas tanks, custom steering wheel, rear roll bar, Cibié headlamps mounted on the front bumper/rear roll bar, and Pace CB radio.
In several Season 5 and 6 episodes, Rocky drives a candy-apple red 1980 GMC C-10 Short Box pickup when his original vehicle is said to be in the shop for repair of damage from one of Jim's earlier adventures.
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