alvis_speed_25 | wheelbase | 1270 (inches) <tsp> alvis_speed_25 | class | full-size luxury car <tsp> alvis_speed_25 | transmission | single plate clutch, separate 4-speed gearbox all-silent and all-syncromesh, centre change lever, open tubular propellor shaft with metal joints , spiral bevel fully floating back axle <sep> the alvis 43-litre and alvis speed 25 were british luxury touring cars announced in august 1936 and made until 1940 by alvis car and engineering company in coventry they replaced the alvis speed 20 28-litre and 35-litre they were widely considered one of the finest cars produced in the 1930s 
the alvis speed 25 is a full-size luxury car with a wheelbase of 127 inches and an impressive transmission.alvis car and engineering company in coventry made the cars until 1940