USA vs USA — 1964 vs 1967
| Comet Cyclone CJ 428 | Comet Cyclone GT | |
|---|---|---|
| Horsepower | 335 hp | 320 hp |
| Torque | 440 lb-ft | 450 lb-ft |
| Engine Size | 7,014 cc | 6,391 cc |
| 0-60 mph | 6.2 sec | 6.8 sec |
| Top Speed | 130 mph | 121 mph |
| ¼ Mile | 14.1 sec | 15.1 sec |
| Weight | 3,502 lbs | 3,450 lbs |
| Wheelbase | 2,921 mm | 2,972 mm |
| Length | 5,131 mm | 5,206 mm |
| Units Produced | — | 3,419 |
| Original MSRP | $3,224 | $2,848 |
| Value (Excellent) | $85,000 | $75,000 |
| Collectibility | 7/10 | 7/10 |
| Rarity | 7/10 | 7/10 |
The 1964 Mercury Comet Cyclone CJ 428 holds an edge across most measurable criteria, offering quicker acceleration, higher top speed. That said, the 1967 Mercury Comet Cyclone GT brings its own distinct appeal and remains a compelling choice for enthusiasts who value Mercury heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
The Mercury Comet Cyclone lineage tells a fascinating story of automotive evolution. Comparing the 1964 Mercury Comet Cyclone CJ 428 with the 1967 Mercury Comet Cyclone GT reveals how Mercury refined and reimagined one of its most important nameplates over the years. On paper, the two are remarkably close in power output, with the 1964 Mercury Comet Cyclone CJ 428 producing 335 hp and the 1967 Mercury Comet Cyclone GT delivering 320 hp. In the sprint to 60 mph, the 1964 Mercury Comet Cyclone CJ 428 edges ahead at 6.2 seconds versus 6.8 seconds. Both cars have earned their place in automotive history and continue to captivate enthusiasts around the world.