1979 Pontiac Firebird Trans Am — Should You Buy One?
Typical asking price: $18,000–$40,000. There is 1 high-severity known issue you need to know before handing over a check.
Kestrel Take
The screaming-chicken Bandit car, and one of the most cloned and modified classics out there. The malaise-era engines are weak but the look is everything. Verify the drivetrain and hunt hard for rust in the notorious T-top and rear-window areas.
Known Issues for the 1979 Pontiac Firebird Trans Am
Ranked by wallet impact. These are documented, recurring problems — not freak accidents.
T-top cars leak and rot around the roof, the rear window channel, the floors, and the trunk. Roof-area rust is difficult, visible repair.
Repair cost range: $3,000-$12,000
The Pontiac 400 and Olds 403 of this era made modest power and many have been swapped. The desirable W72 400 4-speed cars are frequently faked.
Repair cost range: $2,500-$6,000
The T-tops leak persistently, soaking carpets and rusting floors from above.
Repair cost range: $300-$2,000
The specific decals, trim, and interior parts affect value and correctness. Reproduction quality varies.
Repair cost range: Varies
Walk-Away Red Flags
- ✗Rust or water stains around the T-tops and rear window
- ✗W72/4-speed claims with no documentation
- ✗Soaked carpets from leaking roof
- ✗A swapped drivetrain sold as numbers-matching
Good Signs
- ✓A solid roof structure with sealed or rebuilt T-tops
- ✓Documented, matching drivetrain
- ✓Dry floors and honest interior
- ✓Correct trim and decals
Found a specific Pontiac Firebird Trans Am?
This page covers what goes wrong on the 1979 Pontiac Firebird Trans Am in general. The Kestrel report covers this specific car— the asking price vs. market, the photos, the seller's description, and a BUY / NEGOTIATE / WALK AWAY verdict with a negotiation script.
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Known issues on this page are based on documented owner reports, NHTSA complaints, class-action records, and manufacturer technical service bulletins. Individual vehicles vary. A pre-purchase inspection by a trusted mechanic is always worth doing.