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£19,699
6.0L-Powered 1978 GMC C1500 Sierra Classic
United States • 6 Jun 2026
Vehicle Details
AI Listing Summary
This 1978 GMC C1500 Sierra Classic pickup has been significantly updated with a rebuilt 6.0L V8 engine, 4L80 transmission, and lowered suspension. The exterior features a matte clear coat over light blue paint and 20" Ridler wheels, while the interior boasts a refreshed blue cloth and vinyl cab.
While many components have been rebuilt or replaced, the air conditioning system is incomplete and the tachometer is non-functional, indicating some minor drawbacks to this custom build. The truck has 252 miles showing on the replacement odometer since the completion of the build.
Condition
7
The truck has undergone a significant build with a new engine and transmission, and refreshed interior. However, the air conditioning is incomplete, and the tachometer is non-functional, indicating some minor areas needing attention. The paint has a matte clear coat, and the odometer shows low mileage since the build, but total mileage is unknown.
/ 10
Automatic
Transmission:
TCL148A507020
Chassis No:
Odometer:
252 miles
7J51
Reg Number:
RHD/LHD:
LHD
On Replacement Odometer 6.0-Liter V8 Stage 2 Camshaft Holley Intake Manifold 4L80 Four-Speed Automatic Transmission Light Blue Blue Cloth & Vinyl 20" Ridler Wheels Hydroboost-Assisted Brakes Power Steering Lowered Suspension Spray-In Bed Liner Chrome Bumpers Center Console Glowshift Instrumentation
This 1978 GMC C1500 Sierra Classic pickup was purchased by the seller as a non-running project in 2022, and it was subsequently fitted with a rebuilt 6.0-liter V8 and a 4L80 four-speed automatic transmission, which were said to have been sourced from a 2007 GM truck.
The former was modified with a stage 2 camshaft, a Holley intake manifold, and a custom dual exhaust system with Borla mufflers.
Further modifications include a lowered suspension, hydroboost-assisted front disc brakes, and 20″ Ridler wheels.
The Light Blue exterior is paired with a refreshed blue cloth and vinyl cab, and further details include a spray-in bed liner, power steering, chrome bumpers, a center console, and Glow...
Points of note
£4,776
Lowest Price (Since 2020)
£15,290
Median Price (Since 2020)
£107,724
Highest Price (Since 2020)
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