Sunbeam Sunbeam Supreme Mark III

Sunbeam Sunbeam Supreme Mark III - key facts

Introduced in 1954, the end came for the Sunbeam Sunbeam Supreme Mark III in 1957.
The maximum speed of the Sunbeam Sunbeam Supreme Mark III was 93 mph.
A total of 2,250 units were manufactured .

Sunbeam Sunbeam Supreme Mark III Specifications
Production	2,250
From	1954
Until	1957
Bodywork
Body Style	Saloon/Convertible
Dimensions
Length	13ft 11in	4m
Width	5ft 21/2in	1.59m
Wheelbase	8ft 11/2in	2.48m
Front Track	4ft 21/2in	1.28m
Rear Track	4ft 21/2in	1.28m
Kerb Weight	2905lb/1.297ton	1318kg
Engine
Engine displacement	2267cc	138cu in
Bore	3in	81mm
Stroke	4in	110mm
Cylinders	4
Cylinder Layout	Inline
Valve operation	Overhead valve
Compression ratio	7.5:1
Power Output	80bhp @ 4400rpm	79PS @ 4400rpm
Specific Output	35bhp/litre	0.58bhp/cu in
Torque Output	115lbft @ 2400rpm	156Nm @ 2400rpm
Specific Torque	69Nm/litre
Fuel Type	Petrol
Fuel system	Single Carburettor
Carburettor make	Stromberg
Performance
Power to weight	62bhp/ton
Acceleration 0-50mph	12.4 seconds
Standing Qtr mile	21.2 seconds
Top speed	93mph	150km/h
Fuel consumption	22mpg	9km/l
Chassis
Engine location	Front
Engine alignment	Longitudinal
Driven wheels	Rear
Front Suspension	Independent Coil Spring
Rear Suspension	Beam axle half eliptic leaf
Brakes	Drums front and rear
Gearbox type	4 speed Manual
Number of gears	4