USA vs USA — 1970 vs 1963
| Firebird Trans Am | Tempest Sprint OHC-6 | |
|---|---|---|
| Horsepower | 335 hp | 215 hp |
| Torque | 480 lb-ft | 225 lb-ft |
| Engine Size | 7,456 cc | 3,769 cc |
| 0-60 mph | 5.4 sec | 9.5 sec |
| Top Speed | 130 mph | 115 mph |
| ¼ Mile | 13.5 sec | 17.0 sec |
| Weight | 3,500 lbs | 3,050 lbs |
| Wheelbase | 2,743 mm | 2,896 mm |
| Length | 4,902 mm | 5,156 mm |
| Units Produced | 3,196 | — |
| Original MSRP | $4,305 | $2,667 |
| Value (Excellent) | $150,000 | $35,000 |
| Collectibility | 9/10 | 6/10 |
| Rarity | 5/10 | 5/10 |
On balance, the 1970 Pontiac Firebird Trans Am makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1963 Pontiac Tempest Sprint OHC-6 counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1970 Pontiac Firebird Trans Am for outright capability, or the 1963 Pontiac Tempest Sprint OHC-6 for a more distinctive ownership experience.
Pontiac has long offered a diverse lineup, and comparing the 1970 Pontiac Firebird Trans Am with the 1963 Pontiac Tempest Sprint OHC-6 highlights the breadth of the marque's engineering philosophy. The 1970 Pontiac Firebird Trans Am holds a clear advantage in raw power with 335 hp compared to 215 hp, a 120-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 Tempest relies on a Inline-6 OHC (Pontiac Sprint) with 3,769 cc. In the sprint to 60 mph, the 1970 Pontiac Firebird Trans Am edges ahead at 5.4 seconds versus 9.5 seconds. The Pontiac Tempest carries a weight advantage, tipping the scales 450 lbs lighter. On the collector market, the 1970 Pontiac Firebird Trans Am commands a significant premium over the 1963 Pontiac Tempest Sprint OHC-6, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Pontiac Firebird Trans Am rates higher among enthusiasts and auction houses.