USA vs USA — 1967 vs 1971
| GT500 428 Cobra Jet | Demon 340 | |
|---|---|---|
| Horsepower | 335 hp | 275 hp |
| Torque | 440 lb-ft | 340 lb-ft |
| Engine Size | 7,014 cc | 5,572 cc |
| 0-60 mph | 5.5 sec | 6.5 sec |
| Top Speed | 135 mph | 123 mph |
| ¼ Mile | 13.5 sec | 14.5 sec |
| Weight | 3,400 lbs | 3,100 lbs |
| Wheelbase | 2,743 mm | 2,743 mm |
| Length | 4,673 mm | 4,928 mm |
| Units Produced | 2,048 | 10,098 |
| Original MSRP | $4,317 | $2,721 |
| Value (Excellent) | $300,000 | $80,000 |
| Collectibility | 10/10 | 7/10 |
| Rarity | 7/10 | 7/10 |
On balance, the 1967 Shelby GT500 428 Cobra Jet makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1971 Dodge Demon 340 counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1967 Shelby GT500 428 Cobra Jet for outright capability, or the 1971 Dodge Demon 340 for a more distinctive ownership experience.
In the world of Muscle Car cars, few comparisons generate as much discussion as the 1967 Shelby GT500 428 Cobra Jet versus the 1971 Dodge Demon 340. Both hail from Muscle era and represent the pinnacle of their respective manufacturers' ambitions. The 1967 Shelby GT500 428 Cobra Jet holds a clear advantage in raw power with 335 hp compared to 275 hp, a 60-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Shelby GT500 uses a V8 OHV (Ford 428 Cobra Jet) displacing 7,014 cc, while the Dodge Demon relies on a V8 OHV with 5,572 cc. In the sprint to 60 mph, the 1967 Shelby GT500 428 Cobra Jet edges ahead at 5.5 seconds versus 6.5 seconds. The Dodge Demon carries a weight advantage, tipping the scales 300 lbs lighter. Rarity plays a significant role here — with only 2,048 units built, the 1967 Shelby GT500 428 Cobra Jet is considerably scarcer than the Dodge Demon's 10,098 examples. On the collector market, the 1967 Shelby GT500 428 Cobra Jet commands a significant premium over the 1971 Dodge Demon 340, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1967 Shelby GT500 428 Cobra Jet rates higher among enthusiasts and auction houses.