1924 Rolls-Royce 20 HP

After the First World War, Rolls-Royce built a supplemental version of the Silver Ghost which was codenamed the Goshawk. It was designed to appeal to a wider audience where the owner drove their own car. Introduced in 1922, the Twenty was remarkably successful thanks in part to the prevailing economic conditions of the day. Power was from a six-cylinder monobloc engine that had a little over 3-liters in displacement, a one-piece detachable cylinder head, and overhead valves (a first for a Rolls-Royce engine). Initially, the Twenty was fitted with a three-speed center-change gearbox. From 1925 onwards, it used a four-speed unit, along with all-wheel brakes. It had a 129-inch frame with a semi-elliptic suspension front and rear. They were well suited for lighter touring coachwork, although some owners selected the additional weight of sedancas, landaulettes, and limousines. Total production reached 2,885 (as many as 2,940) examples before its replacement, the 20/25, was launched in 1929.


by Daniel Vaughan | Jul 2019

Related Reading : Rolls-Royce 20HP History

Aimed at the professional segment of the middle-class owner-drivers such as doctors, dentists, solicitors and moderately successful businessmen, the Twenty cost about 40 less than a Ghost, yet still met the same exacting standards of design, materials and workmanship. In the year of its launch in 1922, it had a chassis price of 1,100 (pounds) with a standard open tourer body the price was around....
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Related Reading : Rolls-Royce 20HP History

Around the same time that public interest was leaning towards the post-WW1 cars, Royce began development on his design for a brand new chassis, a smaller vehicle, and the first project since 1906 that would reach production. In the U.S. this little car was dubbed the Baby Rolls. In 1922 it was debuted as the 20 HP car or the Twenty. This engine was fully an overhead-valve type and until the....
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1924 Rolls-Royce 20 HP Vehicle Profiles

1924 Rolls-Royce 20 HP vehicle information
Doctors Coupe

Coachwork: Arthur Mulliner
Chassis #: GA41
Engine #: G614
1924 Rolls-Royce 20 HP vehicle information
Tourer

Coachwork: Smith & Waddington
1924 Rolls-Royce 20 HP vehicle information
Tourer

Coachwork: Barker
Chassis #: GLK21

Recent Vehicle Additions

Performance and Specification Comparison

20HP

Specification Comparison by Year

Year
Production
Wheelbase
Engine
Prices
128.90 in.
6 cyl., 190.82 CID., 20.00hp
128.90 in.
6 cyl., 190.82 CID.
128.90 in.
6 cyl., 190.82 CID.
132.00 in.
6 cyl., 190.82 CID., 25.00hp
128.90 in.
6 cyl., 190.82 CID., 25.00hp

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Vehicle information, history, and specifications from concept to production.