The square-body GMC truck—a legend. The 350 V8 and the SM465 manual are bulletproof; the 6.2L diesel is a boat anchor. It’s the truck that built America, and it’s still on the road today. It’s the professional grade before "professional grade" was a thing.
The C/K (R/V) is a full-size, body-on-frame pickup. 3rd gen "Square Body" (1980-1986): Solid front axle (IFS on 4x4), rear leaf springs, and a 4.1L I6 (250 cid), 4.8L I6 (292 cid), 5.0L V8 (305 cid), 5.7L V8 (350 cid), 6.6L V8 (400 cid), 7.4L V8 (454 cid), or 6.2L diesel V8. 4th gen (1987-1991): Got EFI on the 5.0L and 5.7L. 5th gen (1992-1998): Had the 4.3L V6, 5.0L V8, 5.7L V8, 6.5L turbo diesel V8, or 7.4L V8. Transmissions: SM465 4-speed manual (with granny gear), 5-speed manual, or 3-speed/4-speed auto (THM350/400, 4L60E).
The 350 V8 is legendary—it’s a pushrod V8, simple and reliable. The 454 is a beast but thirsty. The 4.3L V6 is a 350 with two cylinders removed—bulletproof. The 6.2L diesel is a boat anchor—underpowered and problematic. The SM465 manual is a tank. The THM350 and THM400 automatics are legendary. The 4L60E is good but needs maintenance. The C/K is one of the most reliable trucks ever built.
Every listing below is VIN-matched to your exact C/K (R/V) before it ships, backed by a 60-day replacement warranty:
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