Plymouth Road Runner I 426 Hemi V8 (SAE gross) Coupe
317 kW431 PS425 hp664 Nm1968–1970
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- Power
- 317 kW 431 PS · 425 hp
- Torque
- 664 Nm 490 lb-ft
- Displacement
- 7,000 cm³
Built 1968–1970, the Plymouth Road Runner I 7.0 426 Hemi V8 (SAE gross) coupe develops 317 kW (431 PS) and 664 Nm of torque from a 7.0-litre eight-cylinder petrol engine. The Road Runner I 7.0 426 Hemi V8 (SAE gross) has rear-wheel drive.
In a Road Runner I line-up of 3 versions, the Road Runner I 7.0 426 Hemi V8 (SAE gross) tops the power chart, 27% above the entry 6.3 383 V8 (SAE gross) (250 kW).
Engine
| Fuel | Petrol |
|---|---|
| Displacement | 7,000 cm³ 7.0 l · 427 cu in |
| Cylinders | 8 |
| Power | 317 kW 431 PS · 425 hp |
| Torque | 664 Nm 490 lb-ft |
| Drive | Rear-wheel drive |
Production
| Body type | Coupe |
|---|---|
| Years | 1968–1970 |
| Generation | Road Runner I (1968–1970) |
All Road Runner I versions All Plymouth spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 8 of 25 fields · 1 source · data changed 12 Oct 2026