The 1973 Pontiac Firebird Trans Am SD-455 arrives at Kissimmee 2026 with Buccaneer Red finish and white vinyl interior. This rare example highlights the Super Duty 455 V8, a defining feature for enthusiasts seeking originality and performance.
Exterior Details
The body carries a black and orange Trans Am hood decal, shaker hood, and dual exhaust outlets. A front air dam, fender vents, and integrated decklid spoiler emphasize aggressive styling. Recent work included paint correction and refinishing the lower doors.
Wheels and Brakes
Fifteen-inch honeycomb-style wheels wear Cooper Cobra Radial G/T tires. Power steering aids maneuverability, while braking is managed by power-assisted front discs and rear drums. Together, these features balance control with muscle-era presence.
Interior Appointments
White custom knit vinyl covers the seating surfaces. Engine-turned metal trim accents the dashboard, adding period character. Equipment includes bucket seats, center console, power windows, rear defogger, AM/FM stereo, eight-track player, shoulder belts, and air conditioning.
Instrumentation
The Formula steering wheel mounts to a tilting column. Gauges include a 160-mph speedometer, tachometer with inset clock, and readouts for fuel, oil pressure, coolant temperature, and voltage. The odometer shows 18,000 miles, reflecting limited use.
Engine and Transmission
At the core sits the LS2 Super Duty 455ci V8. Factory revisions included thicker bulkheads, four-bolt main bearings, forged rods and pistons, and an iron crankshaft. Power routes through a Turbo Hydra-Matic three-speed automatic transmission and Safe-T-Track limited-slip differential.
Performance and Power
The Super Duty V8 delivers commanding output with durability. The drivetrain emphasizes strength, while the suspension and brakes provide balance. This Trans Am reflects Pontiac’s engineering focus on usable muscle and reliability.
Documentation and Details
Decoding the body tag confirms Firebird hardtop style, white vinyl trim, Buccaneer Red paint, and June 1973 build date. Option WS4 designates the Trans Am model. Supporting documents and engine stamps are included, underscoring authenticity.
Auction Spotlight
Crossing the block in South Carolina with a clean Louisiana title, Lot details highlight rarity and specification. Among 252 SD-455 examples built, this Trans Am represents a significant opportunity for collectors.
Summary
The 1973 Pontiac Firebird Trans Am SD-455 blends rarity with muscle-era engineering. With Super Duty power, distinctive styling, and documented authenticity, it stands as a definitive example of Pontiac’s performance legacy.
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Source: bringatrailer.com
