USA vs USA — 1970 vs 1974
| Firebird Trans Am | Firebird Super Duty 455 | |
|---|---|---|
| Horsepower | 335 hp | 290 hp |
| Torque | 480 lb-ft | 400 lb-ft |
| Engine Size | 7,456 cc | 7,456 cc |
| 0-60 mph | 5.4 sec | 5.9 sec |
| Top Speed | 130 mph | 124 mph |
| ¼ Mile | 13.5 sec | 13.8 sec |
| Weight | 3,500 lbs | 3,700 lbs |
| Wheelbase | 2,743 mm | 2,768 mm |
| Length | 4,902 mm | 5,073 mm |
| Units Produced | 3,196 | 943 |
| Original MSRP | $4,305 | $4,446 |
| Value (Excellent) | $150,000 | $175,000 |
| Collectibility | 9/10 | 9/10 |
| Rarity | 5/10 | 9/10 |
The 1970 Pontiac Firebird Trans Am holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1974 Pontiac Firebird Super Duty 455 brings greater rarity and remains a compelling choice for enthusiasts who value Pontiac heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Tracing the evolution of the Pontiac Firebird from 1970 to 1974 offers a compelling look at how automotive design and engineering progressed. These two variants showcase the changing face of Pontiac. The 1970 Pontiac Firebird Trans Am holds a clear advantage in raw power with 335 hp compared to 290 hp, a 45-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Pontiac Firebird uses a V8 OHV (Pontiac 455) displacing 7,456 cc, while the Pontiac Firebird relies on a V8 OHV with 7,456 cc. In the sprint to 60 mph, the 1970 Pontiac Firebird Trans Am edges ahead at 5.4 seconds versus 5.9 seconds. Rarity plays a significant role here — with only 943 units built, the 1974 Pontiac Firebird Super Duty 455 is considerably scarcer than the Pontiac Firebird's 3,196 examples. On the collector market, the 1974 Pontiac Firebird Super Duty 455 commands a significant premium over the 1970 Pontiac Firebird Trans Am, reflecting differences in prestige and rarity.