Plymouth Superbird 426 Hemi (SAE gross) Coupe
317 kW431 PS425 hp664 Nm1970
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- Power
- 317 kW 431 PS · 425 hp
- Torque
- 664 Nm 490 lb-ft
- Length
- 5,613 mm
- Displacement
- 6,981 cm³
The Plymouth Superbird 7.0 426 Hemi (SAE gross) produces 317 kW (431 PS) and 664 Nm of torque from a 7.0-litre eight-cylinder petrol engine and comes as a coupe. In the Superbird 7.0 426 Hemi (SAE gross), power goes to the rear wheels.
No other version of the Superbird matches its output among 3 versions - that is 13% more than the entry 7.2 440 Super Commando (SAE gross) (280 kW).
Dimensions drawing
To scale · width without mirrors
Zoom in to read the measurements - or see the table below.
grid 500 mm1 ft Side view: dashed lines mark the axles
Engine
| Fuel | Petrol |
|---|---|
| Displacement | 6,981 cm³ 7.0 l · 426 cu in |
| Cylinders | 8 |
| Power | 317 kW 431 PS · 425 hp |
| Torque | 664 Nm 490 lb-ft |
| Drive | Rear-wheel drive |
Dimensions and weight
| Length | 5,613 mm 221.0 in |
|---|---|
| Width | 1,941 mm 76.4 in |
| Height | 1,560 mm 61.4 in |
| Wheelbase | 2,941 mm 115.8 in |
Production
| Body type | Coupe |
|---|---|
| Years | 1970 |
| Generation | Superbird (1970) |
Compare size All Superbird versions All Plymouth spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 12 of 25 fields · 1 source · data changed 12 Oct 2026