AutoHunter Spotlight: 428
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AutoHunter Spotlight: 428

Jun 03, 2023

DeLorean’s Dream Car


The Grand Prix was Pontiac’s submission in the personal-luxury coupe world after watching Buick receive approval to produce the Riviera. Over time, the Grand Prix lost its way and became somewhat of a bloated chariot (albeit a distinctive one). However, for 1969, Pontiac engineers were granted a stretched A-body platform called the G-body, and the Grand Prix was able to strut its stuff as a unique take in the segment. One of these pieces of Poncho history, a 428-powered 1969 Grand Prix, is available now on AutoHunter, the online auction platform powered by Backed by a TH400 three-speed automatic transmission, this GP features bucket seats, center console with factory automatic/manual shifter, air conditioning, upgraded stereo, and more. Finished in Palladium Silver with black vinyl top over a black vinyl interior, this Grand Prix comes with a clear title in the seller’s name.

Under previous ownership, the exterior was refinished in the original color of Palladium Silver. Features include black vinyl top, driver-side mirror, and wheel well and rocker trim.

A set of 15-inch Pontiac Rally II wheels is wrapped in BFGoodrich Radial T/A tires.

The front and rear seats are upholstered in black vinyl. Features include center console with Rally Sports Speed Shifter, tilt steering column, air conditioning (with new blower motor and HVAC controls), and RetroSound AM/FM/AUX radio that was installed in October 2022. The dashboard and center console were restored in 2022.

The instrument panel includes a 140-mph speedometer, clock, and gauges for the fuel level, coolant temperature, and oil pressure. The odometer currently reads 97,750 miles.

Power is provided by a period-correct 428cid V8 backed by a TH400 three-speed automatic transmission.

This vehicle was factory-equipped with an independent front suspension and a solid rear-drive axle. Braking is provided by power front discs and rear drums. Like all 1969 Grand Prixs, this vehicle breathes via a dual exhaust system.

Bidding for this handsome 428-powered 1969 Pontiac Grand Prix closes on Monday, July 31, 2023 at 2:00 p.m. (PDT).

Visit the AutoHunter listing for more information and photo gallery

I believe 428 was a Ford engine displacement when this car was made. Pontiac had a 421. I think Pontiac’s most powerful engine from that period or a little earlier was a 421 Super Duty.Elliot Silber


Ford displacements were; 427, 428, and 429 during that time period. Pontiac full size autos and Grand Prix went from 421 to 428 by a slight increase in the bore. 67 – 69.

There also was a 430 a few years before.

A true landyacht by today’s standards ! They were big and roomy with many luxury features , putting them in a class by themselves . However , they were not built for economy especially with such large engines . The GranPrix was designed to compete with the Buick Riviera and both cars were expensive even back then . Today , decades later , automobiles are smaller and much more efficient . Happy Motoring !

My favorite year of the Pontiac Grand Prix!

I agree!

Yes. 321, 326, 350, 389, 400, 421, 428, 455

The 72 was the apex for this body style . I had a 72 SJ 455 four barrel, hide away headlights were much more stylish than the big 4 eyed 69.

For sale???

Yes, via auction.

I am working with only a cell phone. Where is the car located? Need more pictures. How do I bid on the car? A lot of the car websites are not mobile device friendly.

You need to click on the links in the story to get to the actual auction for the car, which will show where the car is located. It will also show you where (on the screen) you need to register to bid.

I had a 1977 with the 305 two barrel Rochester. Nice cars

I had a 1977 with the 305 two barrel rochester

I had a 1977 with the 305 two barrel rochester. Nice cars

I had a 69 Grand Prix gold with a black top 428 my wife wrecked it took out the engine and put it on a 53 Ford pickup

I had 1975 model 400 Pontiac with 400 automatic transmission 2nd car I ever owned.

Do you still have the wife ?

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The Grand PrixVisit the AutoHunter listing for more information and photo gallery