Alvis_Speed_25 | engine | Straight-six_engine Alvis_Speed_25 | modelStartYear | 1937 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" Alvis_Speed_25 | wheelbase | 127.0 (inches) Alvis_Speed_25 | class | "Full-size luxury car"
!937 is when prodction began of the Alvis Speed 25, a full-size luxury vehicle. It has a wheelbase of 127 inches and a straight-six engine. The Alvis Speed 25 has an impressive transmission coined as "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".