USA vs USA — 1967 vs 1968
| Cougar GT 390 | Javelin SST | |
|---|---|---|
| Horsepower | 320 hp | 280 hp |
| Torque | 430 lb-ft | 340 lb-ft |
| Engine Size | 6,391 cc | 5,621 cc |
| 0-60 mph | 6.5 sec | 7.4 sec |
| Top Speed | 125 mph | 120 mph |
| ¼ Mile | 14.8 sec | 15.5 sec |
| Weight | 3,400 lbs | 3,100 lbs |
| Wheelbase | 2,844 mm | 2,769 mm |
| Length | 4,851 mm | 4,775 mm |
| Units Produced | 7,412 | 56,462 |
| Original MSRP | $3,295 | $2,587 |
| Value (Excellent) | $95,000 | $45,000 |
| Collectibility | 8/10 | 7/10 |
| Rarity | 7/10 | 6/10 |
On balance, the 1967 Mercury Cougar GT 390 makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1968 AMC Javelin SST counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1967 Mercury Cougar GT 390 for outright capability, or the 1968 AMC Javelin SST for a more distinctive ownership experience.
In the world of Pony Car cars, few comparisons generate as much discussion as the 1967 Mercury Cougar GT 390 versus the 1968 AMC Javelin SST. Both hail from Muscle era and represent the pinnacle of their respective manufacturers' ambitions. The 1967 Mercury Cougar GT 390 holds a clear advantage in raw power with 320 hp compared to 280 hp, a 40-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 1967 Mercury Cougar GT 390 edges ahead at 6.5 seconds versus 7.4 seconds. The AMC Javelin carries a weight advantage, tipping the scales 300 lbs lighter. Rarity plays a significant role here — with only 7,412 units built, the 1967 Mercury Cougar GT 390 is considerably scarcer than the AMC Javelin's 56,462 examples. On the collector market, the 1967 Mercury Cougar GT 390 commands a significant premium over the 1968 AMC Javelin SST, reflecting differences in prestige and rarity.