Sunbeam Rapier Series III

Sunbeam Rapier Series III - key facts

Following it’s introduction in 1959, the Sunbeam Rapier Series III continued in production until 1961.
The 4 cylinder engine acheived a maximum power of 78 bhp.
60mph was reached in 14 seconds.
Maximum speed of the Sunbeam Rapier Series III was 88 mph.
A total of 15,368 units were manufactured .

Sunbeam Rapier Series III Specifications
Production	15,368
From	1959
Until	1961
Bodywork
Body Style	Saloon/Convertible
Dimensions
Length	13ft 4in	4m
Width	5ft 03/4in	1.54m
Front Track	4ft 0in	1.24m
Rear Track	4ft 0in	1.24m
Kerb Weight	2340lb/1ton	1061kg
Engine
Engine displacement	1494cc	91cu in
Bore	3in	81.5mm
Stroke	3in	76.2mm
Cylinders	4
Cylinder Layout	Inline
Valve operation	Overhead valve
Compression ratio	9.2:1
Power Output	78bhp @ 5400rpm	77PS @ 5400rpm
Specific Output	52bhp/litre	0.86bhp/cu in
Torque Output	84lbft @ 3500rpm	114Nm @ 3500rpm
Specific Torque	76Nm/litre
Fuel Type	Petrol
Fuel system	Twin Carburettor
Carburettor make	Zenith
Performance
Power to weight	75bhp/ton
Acceleration 0-50mph	11.7 seconds
Acceleration 0-60mph	14 seconds
Standing Qtr mile	21.8 seconds
Top speed	88mph	142km/h
Fuel consumption	23mpg	10km/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 with Overdrive option
Number of gears	4