USA vs USA — 1970 vs 1967
| Capri RS 2600 V6 | Cougar GT 390 | |
|---|---|---|
| Horsepower | 107 hp | 320 hp |
| Torque | 144 lb-ft | 430 lb-ft |
| Engine Size | 2,550 cc | 6,391 cc |
| 0-60 mph | 10.2 sec | 6.5 sec |
| Top Speed | 115 mph | 125 mph |
| ¼ Mile | 17.5 sec | 14.8 sec |
| Weight | 2,300 lbs | 3,400 lbs |
| Wheelbase | 2,565 mm | 2,844 mm |
| Length | 4,191 mm | 4,851 mm |
| Units Produced | — | 7,412 |
| Original MSRP | $3,159 | $3,295 |
| Value (Excellent) | $25,000 | $95,000 |
| Collectibility | 5/10 | 8/10 |
| Rarity | 5/10 | 7/10 |
The 1967 Mercury Cougar GT 390 emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1970 Mercury Capri RS 2600 V6 counters with lighter weight, better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
Within the Mercury stable, the 1970 Mercury Capri RS 2600 V6 and 1967 Mercury Cougar GT 390 represent different approaches to performance and purpose. Both carry the Mercury badge, yet each carves out its own distinct identity. The 1967 Mercury Cougar GT 390 holds a clear advantage in raw power with 320 hp compared to 107 hp, a 213-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercury Capri uses a V6 OHV displacing 2,550 cc, while the Mercury Cougar relies on a V8 OHV with 6,391 cc. In the sprint to 60 mph, the 1967 Mercury Cougar GT 390 edges ahead at 6.5 seconds versus 10.2 seconds. The Mercury Capri carries a weight advantage, tipping the scales 1100 lbs lighter. On the collector market, the 1967 Mercury Cougar GT 390 commands a significant premium over the 1970 Mercury Capri RS 2600 V6, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1967 Mercury Cougar GT 390 rates higher among enthusiasts and auction houses.