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Performance utility · 2 seats

1975 GMC Sprint

Performance utility powered by 1975 GMC Sprint engine family.

Exact-year, stock-presenting Sprint retained as the family baseline for the 1975 grille, round lamps, hood, roof, glass, body, wheel covers, whitewalls, and stance; the vinyl roof and removable bed cover are car-specific.
Body Two-passenger coupe utility on a 116-inch wheelbase
Engines 250 six; 350, 400, or 454 V8
Transmissions Three-speed manual with 250/350, or Turbo Hydra-matic
Chassis Perimeter frame, four-wheel coil springs, front discs, rear drums
Base MSRP $3,828 reported

Story

1975 GMC Sprint

The 1975 Sprint was GMC's two-passenger, 116-inch-wheelbase coupe utility. One family page covers the regular Sprint, Sprint Classic, SP, High Sierra, Sierra Madre del Sur, and Estate appearance paths. Chevrolet El Camino is a related but separately branded vehicle, and Caballero did not replace the Sprint name until 1978.

Four factory engine paths

GMC's selector lists the 250-cubic-inch inline-six and 350, 400, and 454 V8s. The 250 and 350 could use the standard three-speed manual or Turbo Hydra-matic; the 400 and 454 required the automatic. A same-year GM engineering kit for the mechanically shared El Camino reports 105, 145, 175, and 215 SAE net horsepower for the confirmed one-barrel 250, two-barrel 350, four-barrel 400, and four-barrel 454 applications. Its separate 155-hp 350 four-barrel row is preserved only as a Chevrolet sibling boundary because the reviewed GMC selector does not confirm that Sprint application.

Axle, frame, suspension, and brakes

The standard rear ratio was 2.73:1. A 3.08 was available with the six, while 2.56 and 3.42 ratios were available with the V8s according to GMC's selector. The perimeter-frame chassis used independent coil-spring front suspension and a coil-sprung live rear axle. Hydraulic self-adjusting brakes combined 11-inch front discs with 9.5-by-2-inch rear drums, and the nominal fuel capacity was 26 gallons.

Trim and cabin choices

The regular and Classic models used a foam-padded bench, while optional 90-degree swivel bucket seats could be ordered with or without a center console. Classic equipment added upgraded moldings, a vinyl-coated headliner, an elm instrument-panel pad, and a fold-down center armrest. SP brought rally stripes, a bright grille, sport mirrors, raised-letter tires, and Rally wheels; High Sierra used woodgrain and additional bright moldings. Sierra Madre del Sur and Estate were separate appearance treatments shown in the factory brochure.

Identity, production, and price boundaries

Begin with the 5D80 model-year identity, title, shell, body and trim evidence, and ownership history, then reconcile engine, transmission, axle, emissions equipment, chassis, finish, cabin, and dated components. A secondary valuation guide reports a $3,828 base MSRP, but no reviewed effective-date GMC schedule resolves every trim and option charge. No reviewed serial-distinct factory ledger establishes 1975 Sprint production by engine, transmission, axle, trim, paint, plant, date, market, or survivor status.

Alternate front three-quarter view of the same exact-year Sprint retained for grille, GMC identification, lamps, bumper, hood, roof, side molding, and wheel-cover context.Greg Gjerdingen via Wikimedia Commons · CC BY 2.0

Price history

Values

Nominal dollars from original price sheets, auction archives, and approved value references.

Original Price

  • Base MSRP $3,828

    1975 GMC Sprint 1/2-ton sedan pickup (1975)

    Secondary exact-model report; effective date, destination, engine, transmission, trim, package, paint, option, regional, and dealer charges remain unresolved.

Values move with paperwork, originality, options, condition, venue, and body style. High bids and guide values are labeled separately from completed sales.

Reference records

Options, Colors & Components

Source-backed details for trim, chassis, production, and authenticity.

Engine Details

  • 250 one-barrel inline-six 250 cu in; one-barrel; 105 SAE net hp at 3,800 rpm and 185 lb-ft at 1,200 rpm · Standard six-cylinder path; three-speed manual or optional Turbo Hydra-matic · engine assembly / specification
  • 350 two-barrel V8 350 cu in; two-barrel; 145 SAE net hp at 3,800 rpm and 250 lb-ft at 2,200 rpm · Standard V8 path; three-speed manual or optional Turbo Hydra-matic · engine assembly / specification
  • 400 four-barrel V8 400 cu in; four-barrel; 175 SAE net hp at 3,600 rpm and 305 lb-ft at 2,000 rpm · Optional V8 path with Turbo Hydra-matic · engine assembly / specification
  • 454 four-barrel V8 454 cu in; four-barrel; 215 SAE net hp at 4,000 rpm and 350 lb-ft at 2,400 rpm · Optional big-block path with Turbo Hydra-matic · engine assembly / specification

Transmission

  • Factory transmission Column-shifted, fully synchronized three-speed manual with the 250 or 350
  • Factory transmission Turbo Hydra-matic automatic optional with the 250 or 350 and required with the 400 or 454

Options

Engines and Induction summarized from reviewed factory and marque references.Classic Muscle · Reference illustration

Paint

Exact-year tailgate detail retained for Sprint by GMC lettering and bed-cover attachment context; replaceable lettering cannot authenticate a car.Greg Gjerdingen via Wikimedia Commons · CC BY 2.0

Interior

Chassis

Authenticity

Transmissions summarized from reviewed factory and marque references.Classic Muscle · Reference illustration
  • 1975 GMC Sprint identity 1975 5D80 Sprint identity, title, correct shell and 116-inch-wheelbase coupe-utility body, GMC-specific grille and trim mounting evidence, and ownership history · VIN plate and derivatives, title, frame and body stampings, cowl and trim evidence, shell seams, grille and badge mountings, and ownership records · fraud detection
  • 250, 350, 400, or 454 power team Application- and date-correct engine, induction, emissions equipment, transmission, cooling, exhaust, axle, and records for one GMC-confirmed power team · VIN engine character, engine pad and castings, heads, intake, carburetor, air cleaner, emissions labels and hardware, transmission, cooling, exhaust, axle, component dates, and records · numbers matching
  • Frame, axle, brakes, steering, and suspension Perimeter frame, correct 2.56, 2.73, 3.08, or 3.42 axle application, front discs, rear drums, steering, four-wheel coil suspension, and SP radial-tuned hardware where documented · Frame, control arms, springs, links, dampers, bars, steering, calipers, rotors, rear drums, master cylinder, booster, axle housing and carrier, wheels, tires, dates, and service records · date correctness
  • Trim, paint, cabin, and options Record-supported Sprint, Classic, SP, High Sierra, Sierra Madre del Sur, or Estate trim with compatible paint, roof, seats, console, instruments, comfort equipment, and dates · Trim and body evidence, protected paint, stripe and molding mountings, seats and floor, upholstery, dashboard, wiring, option hardware, invoices, and restoration records · trim correctness

Still Researching

  • production No reviewed serial-distinct factory ledger establishes 1975 Sprint totals or divides them by engine, transmission, axle, trim, SP, High Sierra, Sierra Madre del Sur, Estate, paint, cabin, option, plant, date, market, export, or survivor status.
  • paint colors The 16 retained exterior codes come from the mechanically shared same-year El Camino engineering kit; the GMC brochure confirms matching roof colors but not the complete Sprint exterior, two-tone, package, cabin, wheel, plant, supplier, and running-change application matrix.
  • interior Factory literature establishes bench and swivel-seat paths, broad trim, controls, audio, and comfort equipment but not the complete GMC trim-code, material, color, paint, package, supplier, and running-change matrix.
  • authenticity markers Public model-year literature cannot establish one survivor's born-with shell, engine, transmission, axle, emissions equipment, brakes, suspension, steering, finish, cabin, package, options, or component dates.

Codes & names

Names & Engine Codes

Common names and codes are grouped so LS6 references point to the same engine, not separate pages.

Rear Axle and Ratios summarized from reviewed factory and marque references.Classic Muscle · Reference illustration
1975 250 one-barrel inline-six 1975 GMC Sprint engine family
1975 350 two-barrel V8 1975 GMC Sprint engine family
1975 400 four-barrel V8 1975 GMC Sprint engine family
1975 454 four-barrel V8 1975 GMC Sprint engine family

Photo and video gallery

Gallery

10 photos and videos

Sources & Documentation

Reader contributions

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