THE GLOBAL CAR CATALOG

Rolls-Royce 20/25 Specs, Engines & Dimensions (1929–1936) — First Generation

The Rolls-Royce 20/25 was a pre-war luxury chassis bodied by coachbuilders in Cabrio, Coupe, Roadster, Sedan and Phaeton forms, offering owners refinement and quiet, unhurried progress rather than outright speed.

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5 modificationsAll supplied years

Rolls-Royce 20/25 Engines and Transmissions

The Rolls-Royce 20/25 engine is a 3.7-litre gasoline six, seen here as the 3.7 MT in Cabrio, Coupe and Roadster form. Each pairs a manual transmission with rear-wheel drive, a drivetrain layout suited to smooth torque delivery and the heavy coachbuilt bodies these chassis carried.

Cabrio — Rolls-Royce 20/25 Engines and Transmissions

Cabrio Rolls-Royce 20/25 Engines and Transmissions
ModificationEngine typeEngine capacityMaximum powerMaximum power, kwTransmissionType of drive
3.7 MTGasoline3669 cm³25 hp18 kWManualRWD

Coupe — Rolls-Royce 20/25 Engines and Transmissions

Coupe Rolls-Royce 20/25 Engines and Transmissions
ModificationEngine typeEngine capacityMaximum powerMaximum power, kwTransmissionType of drive
3.7 MTGasoline3669 cm³25 hp18 kWManualRWD

Roadster — Rolls-Royce 20/25 Engines and Transmissions

Roadster Rolls-Royce 20/25 Engines and Transmissions
ModificationEngine typeEngine capacityMaximum powerMaximum power, kwTransmissionType of drive
3.7 MTGasoline3669 cm³25 hp18 kWManualRWD

Sedan — Rolls-Royce 20/25 Engines and Transmissions

Sedan Rolls-Royce 20/25 Engines and Transmissions
ModificationEngine typeEngine capacityMaximum powerMaximum power, kwTransmissionType of drive
3.7 MTGasoline3669 cm³25 hp18 kWManualRWD

Phaeton — Rolls-Royce 20/25 Engines and Transmissions

Phaeton Rolls-Royce 20/25 Engines and Transmissions
ModificationEngine typeEngine capacityMaximum powerMaximum power, kwTransmissionType of drive
3.7 MTGasoline3669 cm³25 hp18 kWManualRWD

Rolls-Royce 20/25 Dimensions

Cabrio — Rolls-Royce 20/25 Dimensions

Cabrio Rolls-Royce 20/25 Dimensions
ModificationLengthWidthHeightWheelbase
3.7 MT4851 mm1829 mm1700 mm3353 mm

Coupe — Rolls-Royce 20/25 Dimensions

Coupe Rolls-Royce 20/25 Dimensions
ModificationLengthWidthHeightWheelbase
3.7 MT4851 mm1829 mm1700 mm3353 mm

Roadster — Rolls-Royce 20/25 Dimensions

Roadster Rolls-Royce 20/25 Dimensions
ModificationLengthWidthHeightWheelbase
3.7 MT4851 mm1829 mm1700 mm3353 mm

Sedan — Rolls-Royce 20/25 Dimensions

Sedan Rolls-Royce 20/25 Dimensions
ModificationLengthWidthHeightWheelbase
3.7 MT4851 mm1829 mm1700 mm3353 mm

Phaeton — Rolls-Royce 20/25 Dimensions

Phaeton Rolls-Royce 20/25 Dimensions
ModificationLengthWidthHeightWheelbase
3.7 MT4851 mm1829 mm1700 mm3353 mm