Mercury Comet Cyclone GT 6.4 Coupe
250 kW340 PS335 hp579 Nm1966
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- Power
- 250 kW 340 PS · 335 hp
- Torque
- 579 Nm 427 lb-ft
- Length
- 5,156 mm
- Displacement
- 6,391 cm³
Under the bonnet of the Mercury Comet Cyclone GT 6.4 390 GT 4-barrel V8 (SAE gross) coupe sits a 6.4-litre eight-cylinder petrol engine, good for 250 kW (340 PS) and 579 Nm of torque. The Comet Cyclone GT 6.4 390 GT 4-barrel V8 (SAE gross) has rear-wheel drive.
Engine
| Engine code | S |
|---|---|
| Fuel | Petrol |
| Displacement | 6,391 cm³ 6.4 l · 390 cu in |
| Cylinders | 8 |
| Power | 250 kW 340 PS · 335 hp |
| Torque | 579 Nm 427 lb-ft |
| Drive | Rear-wheel drive |
Dimensions and weight
| Length | 5,156 mm 203.0 in |
|---|---|
| Width | 1,875 mm 73.8 in |
| Wheelbase | 2,946 mm 116.0 in |
Production
| Body type | Coupe |
|---|---|
| Years | 1966 |
| Generation | Comet Cyclone GT (1966–1967) |
All Comet Cyclone GT versions All Mercury spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 12 of 25 fields · 1 source · data changed 4 Nov 2026