While the fourth-generation of Chevy C/K trucks lived on from 1988-1998, there was a new naming structure for the trucks. Known as the GMT400 platform and nicknamed the OBS Chevy or GMC trucks, short for Old Body Style, this was the final generation for the beloved C/K series. Now designated as the 1500, 2500, and 3500 for the various weight classes, the once-popular Chevy C10 was no longer available. The first truck available for the GMT400 platform was the 1988 Chevy C/K 1500. The four-wheel-drive models were equipped with an Insta-Trac system that allowed drivers to switch from two-wheel drive to four-wheel drive on-the-fly. For the fourth-generation Chevrolet C/K trucks, there were three trim models available: the Cheyenne, Scottsdale, and Silverado. The Cheyenne was the base trim and considered an affordable full-size work truck. The next trim level up was the Scottsdale, which would be your middle-of-the-line truck. Then there was the Silverado trim. Described as the top-of-the-line package, the Silverado was the third trim level available. However, in 1999, Chevrolet ditched the C/K line of trucks entirely, replacing it with a new series of trucks based on the Silverado trim.
wheel drive to four-wheel drive on-the-fly. For the fourth-generation Chevrolet C/K trucks, there were three trim models available: the Cheyenne, Scottsdale, and Silverado. The Cheyenne was the base trim and considered an affordable full-size work truck. The next trim level up was the Scottsdale, which would be your middle-of-the-line truck. Then there was the Silverado trim. Described as the top-of-the-line package, the Silverado was the third trim level available. However, in 1999, Chevrolet ditched the C/K line of trucks entirely, replacing it with a new series of trucks based on the Silverado trim.
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