The Alvis Speed Twenty SA is a roadster with 4 doors and a front mounted engine which delivers the power to all four wheels.
It's powered courtesy of a naturally aspirated engine of 2.5 litre capacity. This powerplant features overhead valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It develops 90 bhp (91 PS/67 kW) of power at 4500 rpm.
The engine transmits power to the wheels via a 4 speed manual set of gears.
The Alvis Speed Twenty SA weighs a claimed 1321 kg at the kerb.
Top stated speed is 142 km/h or 88 mph.
Full specs