1931 Rolls-Royce 20/25

History

In 1929 the Twenty's replacement, the 20/25 HP was launched. This car used the Twenty chassis, virtually unchanged, but the engine was enlarged from 3.1 litres to 3.7 litres, giving a significant increase in performance. Improved power had become a necessity because owners often insisted on fitting elaborate and heavy coachwork, which severely affected the performance. This was an important change considering owners didn't like to be overtaken by what they believed to be inferior cars.
An 'Autocar' report in 1931 describes the 20/25 thus: 'Every single feature spells durability, the machine is on a plane altogether superior to the normal style of motor car'. This claim is backed up by the fact that this model was the choice of some of the most famous sporting drivers of the day. Tommy Sopwith owned one, as did the famous racing driver Prince Bira of Siam and racing driver and record breaker Sir Malcolm Campbell.
- Rolls-Rocye Motor Cars

Overview
The 20/25 kept the Rolls-Royce tradition of a two-model policy, being sold alongside of the Phantom II. It was offered as a more economical car and was smaller than its sibling. All of the 20/25HP were outfitted with custom coachbuilt bodies from legendary names such as Vanden Plas, Freestone and Webb, Brewster, Gurney Nutting, Park Ward, Coachcraft, and Thrupp & Maberly.

With nearly 4000 chassis created it is one of Rolls-Royce's best selling contemporary models, lasting from 1929 through 1936. During the production lifespan of the 20/25, the vehicle received many updates. The ignition, brakes, clutch, and carburetors were just a few of the mechanical areas to received modifications and improvements. In 1932 shock absorbers and thermostat controlled devices were introduced. The thermostats operated the radiator air-flow automatically eliminating the need to operate the radiator shutters by hand.

Source - Rolls-Royce Motor Cars

1931 Vehicle Profiles

1931 Rolls-Royce 20/25 vehicle information

Sedanca deVille
Coachwork: Park Ward & Co.

Chassis Num: GFT 72

The Rolls-Royce 20/25 was introduced in 1929 and it was such a success that the platform was used on the newly acquired Bentley marque, in its 3.5-Litre model, introduced in 1933. All pre-War Rolls-Royce automobile was produced as a rolling chassis t....[continue reading]

1931 Rolls-Royce 20/25 vehicle information

Drop Head Coupe
Coachwork: Worblaufen

The 20/25 got its unusual name when the British government decided, more than a century ago, to allow the use of self-propelled vehicles on its roads, and devised a system of taxation for their use. It was agreed to base the tax rates on a formula th....[continue reading]

Sedanca deVille by Park Ward & Co.
Chassis #: GFT 72 
Drop Head Coupe by Worblaufen
 


Concepts by Rolls-Royce



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Performance and Specification Comparison

Model Year Production

#1#2#3Rolls-Royce
1936Ford (930,778)Chevrolet (918,278)Plymouth (520,025)
1935Ford (820,253)Chevrolet (548,215)Plymouth (350,884)
1934Ford (563,921)Chevrolet (551,191)Plymouth (321,171)
1933Chevrolet (486,261)Ford (334,969)Plymouth (298,557)
1932Chevrolet (313,404)Ford (210,824)Plymouth (186,106)
1931Chevrolet (619,554)Ford (615,455)Buick (138,965)
1930Ford (1,140,710)Chevrolet (640,980)Buick (181,743)
1929Ford (1,507,132)Chevrolet (1,328,605)Buick (196,104)
1928Chevrolet (1,193,212)Ford (607,592)Willys Knight (231,360)
1927Chevrolet (1,001,820)Ford (367,213)Buick (255,160)
1926Ford (1,669,847)Chevrolet (547,724)Buick (266,753)

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