1978 Pontiac Grand Prix

Personal luxury powered by 1978 Pontiac Grand Prix engine family.

Exact-year view retained for body, trim, glass, lamps, bumpers, and wheel context; condition and restoration details remain specific to the photographed vehicle.

Bodies Two-door five-passenger personal-luxury coupe

Configurations Grand Prix, Grand Prix LJ, Grand Prix SJ

Engine range V6 or available 301 and 305 V8 paths by market

Chassis Downsized G-body coil-spring chassis with power front discs

Production Exact configuration ledger remains unresolved

Story

1978 Pontiac Grand Prix

The 1978 Grand Prix family combined two-door five-passenger personal-luxury coupe with Grand Prix, Grand Prix LJ, Grand Prix SJ configurations. This page keeps those factory choices together without treating an engine, stripe, badge, or trim package as a separate car identity.

Engines and transmissions

VIN, engine origin and code, induction, transmission, axle, LJ or SJ content, build date, and records define one configuration. Transmission, induction, cooling, exhaust, axle, emissions equipment, and dates must match the selected engine path.

Chassis and brakes

LJ and SJ remained packages within the downsized Grand Prix family; engine, axle, chassis, wheels, tires, and trim varied by configuration. Brake, steering, spring, damper, axle, ratio, wheel, and tire equipment varied by configuration and must be reconciled to factory and car-specific records.

Body, trim, and proof

Start with VIN or serial, body tag, title, shell, and ownership history. Then reconcile drivetrain, chassis, protected finish, cabin, trim, dates, and records. Replaceable badges, stripes, wheels, or a swapped engine cannot establish factory configuration.

**An exact-year, unrestored 1978 Pontiac Grand Prix SJ front three-quarter view used for model-line body context; SJ trim, equipment, finish, and condition remain specific to this car.**Pokemonprime via Wikimedia Commons · CC BY 4.0

Price history

Values

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

Original Price

A verified original price is not yet available for this car.

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

231 V6 231 cu in V6 · Regular path by market · engine assembly / specification
301 V8 301 cu in Pontiac V8 · Pontiac V8 path · engine assembly / specification
305 V8 305 cu in Chevrolet V8 · Application-specific V8 path · carburetor / specification

Transmission

Factory transmission Three-speed automatic transmission

Options

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

LJ Grand Prix LJ factory · comfort · Codes, castings, dates, installed hardware, body identity, and records must agree.
SJ Grand Prix SJ factory · performance · Codes, castings, dates, installed hardware, body identity, and records must agree.
301 301 V8 factory · performance · Codes, castings, dates, installed hardware, body identity, and records must agree.
305 305 V8 factory · performance · Codes, castings, dates, installed hardware, body identity, and records must agree.
SAFE-T-TRACK Safe-T-Track differential factory · performance · Codes, castings, dates, installed hardware, body identity, and records must agree.

Paint

11 Cameo White factory · solid
19 Starlight Black factory · solid
24 Adriatic Blue Metallic factory · metallic
44 Montreux Green Metallic factory · metallic
69 Chesterfield Brown Metallic factory · metallic
75 Mayan Red factory · solid

Production

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

1978 Pontiac Grand Prix family total · 0 · reported

Authenticity

Rear Axle and Ratios summarized from reviewed factory and marque references.Classic Muscle · Reference illustration

Model-year identity 1978 Grand Prix VIN or serial, body tag, title, shell, drivetrain, trim, protected finish, and ownership evidence that agrees · VIN or serial plate, body or trim plate, chassis, title, build records, and ownership history · fraud detection
Engine and transmission Configuration-correct engine, induction, transmission, controls, stampings, castings, and dates · Engine, induction, gearbox, shifter, pedals, stamp pads, castings, dates, and records · numbers matching
Axle, brakes, and suspension Application-correct axle, ratio, brake system, steering, springs, links, and dampers · Axle housing and carrier, brakes, steering, suspension, dates, service records, and build evidence · date correctness
Paint, exterior trim, and cabin Plate- and record-supported finish, moldings, badges, wheels, upholstery, instruments, and controls · Body and trim plates, protected paint, upholstery, hardware, dashboard, and restoration records · trim correctness

Still Researching

production No reviewed public ledger reconciles 1978 Grand Prix production by body, model, engine, transmission, axle, paint, trim, options, plant, date, and surviving-car status.
paint colors Reviewed references establish representative factory colors but not a complete body, trim, stripe, special-order, plant, and build-date compatibility matrix.
interior Broad cabin equipment is documented, but the complete upholstery color, material, body, option, and production-date matrix is not publicly reconciled.
authenticity markers Public model references cannot prove one survivor's born-with shell, drivetrain, chassis components, paint, trim, options, or component dates.