The Alvis 12/40 was an automobile made between 1922 and 1925. A total number of 1552 cars were made in this time.
The cars were fitted with a four-cylinder 1598 cm³ engine which produced 30 bhp (22 kW). The cars measure 59.1 inches in width, 153 inches in length, and had a wheelbase of 112.5 inches. Semi-elliptical leaf-springs were fitted in the front and the rear.
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