The Alvis Speed 25 is classed as a full-size car and has a wheelbase of 127 inches. It 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".
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 car