Authenticity reference

VIN and build-sheet SD sequence

fraud detection · reported

1973 Pontiac Firebird Trans Am exterior in Cameo White/blue graphics; same-year Trans Am context, not individual-car SD-455 proof. 1973 Pontiac Firebird Trans Am SD-455

Reference Details

Common issue: Regular 455 Trans Am VIN sequence represented as SD-455
Confidence: reported
Correct value: 2V87X3 for 1973 Trans Am SD-455
Where to check: Vehicle VIN and build sheet sequence; Hemmings also notes Norwood N on a 1973 SD build sheet

Cars With This Authenticity Marker

1 linked car page.

1973 Pontiac

1973 Pontiac Firebird Trans Am SD-455

Factory Pontiac Firebird Trans Am with LS2 SD-455 option

Sources & Documentation

Tran-Zam.com 1973 Firebird Engine Options

Hemmings Super Duty Firebirds by the Numbers