The Alvis Speed 20 is a British touring car that was made between late 1931 and 1936 by Alvis Car and Engineering Company in Coventry. It went through four variants coded SA to SD.

The Alvis Silver Eagle was a series of passenger cars produced by Alvis, initially from 1930 to 1931 as the successor to the 14.75 model, and then from 1934 to 1936.