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Alfa Romeo 20/30 HP

Alfa Romeo 20/30 HP
Overview
Manufacturer
Alfa Romeo
Production
1914 - 1922
Assembly
Portello, Milan, Italy
Designer
Giuseppe Merosi
Body and chassis
Body style
Berlina
Torpedo
Layout
FR layout
Powertrain
Engine
4.1 L I4 sidevalve 4084 cc
4.2 L I4 sidevalve 4250 cc
A.L.F.A. or later Alfa Romeo has made three cars named as 20/30 HP, first one 1910 4-cylinder 4-6-seater tourer, improved version 20/30 HP E in 1914 and 1921 the 20/30 HP ES Sport, a 4-seater sportscar.

The Alfa 20-30 HP

The A.L.F.A 20-30 HP was almost identical to the 24 HP of 1910 and could be called HP 24 Series E. The engine was same as used in 24 HP but now the camshaft with side chain, to reduce noise. The maximum power was increased to 49 bhp at 2400 rpm and the top speed was 115 kilometres per hour (71 mph). The vehicle was available in two body variants: berlina and torpedo.
At the outbreak of World War I, August 3, 1914, Italy declared itself neutral and A.L.F.A. plants have not been directly affected by war or by manufacturing related to the war effort. Production between 1914 and 1915 was 285 copies finished 20-30 HP models. In 1915, production was 95 frame for 20-30 HP, but they were only completed in 1920.

Alfa Romeo 20/30 HP ES Sport

Alfa Romeo Torpedo 20/30 HP is the first Alfa Romeo named car after A.L.F.A. brand. 20/30 HP had 4250 cc sidevalve straight-4 engine and it produced 67 bhp. Car was meant to upper class and price was high, around three times more than Ford Model T, which was remarkable amount immediately after World War I.
ES Sport was based on the 1914 20/30 E model. The "S" was added to emphasize the sportiness of the car. This car had electric lights and starter. The chassis was shortened from previous E model. Enzo Ferrari began his racing career in a 20/30 ES, with teammates Antonio Ascari and Ugo Sivocci.
Price was one of the reasons that only 124 cars were produced.
  • Engine: 4 cylinders inline
  • Displacement: 4250 cc
  • Power: 67 bhp @ 2600 rpm
  • Top speed: 130 km/h (81 mph)

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Last updated on 26 February 2013 at 08:54.

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