GMC C/K 3rd Gen
The 3rd generation GMC C/K, known as the 'Square Body,' offers classic truck styling and durability across a huge range of models. It's an accessible and popular choice in the classic truck market, with values climbing for well-preserved and short-bed examples.
Find one with Spotter →GMC C/K 3rd Gen sold for a median of $22,000 over the last 12 months, based on 96 auction sales; the middle half sold between $14,269 and $31,375. 1,075 currently for sale.
The 3rd generation of GMC C/K trucks, sold from 1973 to 1987, is affectionately known by enthusiasts as the 'Square Body'. This generation marked a significant modernization for GM's truck line, introducing features like improved aerodynamics, better ride quality, and more comfortable interiors. With a production run of 15 years, a vast number of configurations were available, from basic C10 half-tons to heavy-duty K30 1-ton 4x4s, ensuring a model for nearly every purpose.
Collectors are drawn to the Square Body's simple, rugged design and the nostalgia associated with it. They are mechanically simple, parts are widely available, and the aftermarket offers endless options for restoration or modification. The market has seen steady growth, with an average sale price hovering around $20,000. Clean, original examples, especially short-bed V8 models or those with desirable trim packages like the Sierra Classic, command the highest prices.
While top-tier restorations can fetch over $60,000, many driver-quality trucks and project vehicles remain affordable. This accessibility keeps the Square Body popular with a broad range of collectors. The market distinguishes heavily between short-bed and long-bed models, with short-beds consistently bringing a premium. Well-documented, low-mileage survivors are becoming increasingly rare and sought after.
Buying Tips
- Rust is the biggest issue, so inspect the cab corners, rocker panels, floor pans, and fender bottoms carefully.
- Check the frame for cracks, especially around the steering box mounting area on 4x4 models.
- Electrical gremlins are common on trucks this old; test all gauges, lights, power windows, and locks to ensure they function correctly.
- Many trucks have had engine swaps, so verify the engine is what the seller claims it is and check for quality workmanship.
- High-trim packages are often faked, so check the SPID (Service Parts Identification) sticker in the glove box to confirm original options and colors.
Prices for 3rd generation GMC C/K trucks typically range from $6,500 for projects to over $66,000 for top-tier restored or survivor examples.
2,170 GMC C/K 3rd Gen vehicles have been tracked across auctions and listings on Hypercars, with 1075 currently live.
Data sourced from Bring a Trailer, Cars & Bids, eBay Motors, PCarMarket, and Collecting Cars. Updated daily.
Frequently Asked Questions
How much does a GMC C/K 3rd Gen cost?
Over the last 12 months, GMC C/K 3rd Gen sold for a median of $22,000 across 96 auction sales tracked on Hypercars; the middle half sold between $14,269 and $31,375. There are 1,075 currently for sale.
How many GMC C/K 3rd Gen listings are for sale right now?
There are 1,075 GMC C/K 3rd Gen listings currently live across auctions, dealers, and marketplaces tracked by Hypercars.