USA vs USA — 1970 vs 1974
| Firebird Trans Am | Mustang II King Cobra | |
|---|---|---|
| Horsepower | 335 hp | 139 hp |
| Torque | 480 lb-ft | 250 lb-ft |
| Engine Size | 7,456 cc | 4,942 cc |
| 0-60 mph | 5.4 sec | 9.6 sec |
| Top Speed | 130 mph | 110 mph |
| ¼ Mile | 13.5 sec | 17.0 sec |
| Weight | 3,500 lbs | 3,000 lbs |
| Wheelbase | 2,743 mm | 2,451 mm |
| Length | 4,902 mm | 4,521 mm |
| Units Produced | 3,196 | 4,318 |
| Original MSRP | $4,305 | $5,280 |
| Value (Excellent) | $150,000 | $45,000 |
| Collectibility | 9/10 | 5/10 |
| Rarity | 5/10 | 7/10 |
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 Ford Mustang II King Cobra brings lighter weight, better value and remains a compelling choice for enthusiasts who value Ford heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
The 1970 Pontiac Firebird Trans Am and 1974 Ford Mustang II King Cobra stand as two of the most notable Pony Car cars from Muscle era. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 1970 Pontiac Firebird Trans Am holds a clear advantage in raw power with 335 hp compared to 139 hp, a 196-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 Ford Mustang II relies on a V8 OHV with 4,942 cc. In the sprint to 60 mph, the 1970 Pontiac Firebird Trans Am edges ahead at 5.4 seconds versus 9.6 seconds. The Ford Mustang II carries a weight advantage, tipping the scales 500 lbs lighter. On the collector market, the 1970 Pontiac Firebird Trans Am commands a significant premium over the 1974 Ford Mustang II King Cobra, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Pontiac Firebird Trans Am rates higher among enthusiasts and auction houses.