Alvis Speed 20 SA

A 1932 Alvis Speed 20 at the Rushden Cavalcade of Transport and Country Show

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Alvis Speed 20 SA - key facts

Following it’s introduction in 1932, the Alvis Speed 20 SA continued in production until 1933.
The maximum speed of the Alvis Speed 20 SA was 89 mph.
400 of the Alvis Speed 20 SA were produced.

Alvis Speed 20 SA Specifications
Production	400 Approximate figure
From	1932
Until	1933
Bodywork
Body Style	Saloon/Tourer
Dimensions
Length	13ft 101/2in	4m
Width	5ft 5in	1.65m
Wheelbase	10ft 2in	3m
Front Track	4ft 7in	1.42m
Rear Track	4ft 7in	1.42m
Kerb Weight	2910lb/1.299ton	1320kg
Engine
Engine displacement	2511cc	153cu in
Bore	2.87in	73mm
Stroke	3.94in	100mm
Cylinders	6
Cylinder Layout	Inline
Valve operation	Overhead valve
Valves per cylinder	2
Valves Total	12
Compression ratio	6.3:1
Power Output	87bhp @ 4000rpm	86PS @ 4000rpm
Specific Output	35bhp/litre	0.57bhp/cu in
Fuel Type	Petrol
Fuel system	Triple Carburettor
Carburettor make	SU
Performance
Power to weight	67bhp/ton
Acceleration 0-50mph	13.5 seconds
Standing Qtr mile	21 seconds
Top speed	89mph	143km/h
Fuel consumption	17mpg	7km/l
Chassis
Engine location	Front
Engine alignment	Longitudinal
Driven wheels	Rear
Front Suspension	Independent Transverse Leaf
Rear Suspension	Beam axle half eliptic leaf
Brakes	Drums front and rear