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Road Runner I specs

Plymouth Road Runner I 383 V8 (SAE gross) Coupe

250 kW340 PS335 hp576 Nm1968–1970

petrol · Coupe

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Power
250 kW 340 PS · 335 hp
Torque
576 Nm 425 lb-ft
Displacement
6,300 cm³

The Plymouth Road Runner I 6.3 383 V8 (SAE gross) uses a 6.3-litre eight-cylinder petrol engine rated at 250 kW (340 PS) and 576 Nm of torque, in coupe form. The Road Runner I 6.3 383 V8 (SAE gross) has rear-wheel drive.

Of the 3 versions in the Road Runner I line-up, the Road Runner I 6.3 383 V8 (SAE gross) is the entry version - the 7.0 426 Hemi V8 (SAE gross) (317 kW) delivers 27% more.

Engine

FuelPetrol
Displacement6,300 cm³ 6.3 l · 384 cu in
Cylinders8
Power250 kW 340 PS · 335 hp
Torque576 Nm 425 lb-ft
DriveRear-wheel drive

Production

Body typeCoupe
Years1968–1970
GenerationRoad 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

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