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Sunbeam Alpine 1953-54 specifications

Engine
4 Cylinder inline, ohv
Bore: 81mm
Stroke: 110mm
Displacement: 2,267cc
Compression ratio:7.42 to 1
Carburettor: twin choke downdraught
Power output: 97.5 bhp at 4,500rpm

Performance
Maximum speed: 95mph
Acceleration: 0-50 mph 12.9 secs
Approx fuel consumption: 20 mpg
Max. torque in lbs.ft: 124 (17.14 kg.m) developed at 1800 r.p.m

Construction
Steel body on box section steel frame with cruciform bracing

Transmission
4-speed manual, syncromatic with control ring synchromesh, Laycock de Normanville overdrive as an option
Gearbox ratios: Top (High) 1.00:1, Third (Middle) 1.33:1, Second (Low) 2.19:1, First (Emergency Low) 2.83:1, Reverse 3.58:1, Overdrive 0.778:1

Brakes
Lockeed hydraulic, drums

Suspension
Front: Independent, wishbones and coil springs Rear: semi elliptic leaf with Panhard rod, Armstrong hydraulic dampers all round

Wheels & Tyres
16in bolt-on ventilated disc wheels with 16in x 5.50 crossply tyres

Dimensions & Weight
Wheelbase: 8ft 1.5in
Track - front: 3ft 11.5in
Track - rear: 4ft 2in
Overall length: 14ft 0.25in
Overall width: 5ft 2.5in
Turning circle: 36ft 6in
Kerb weight: 25.75cwt

Production
1953-55 1,582 produced
Price new: £1,212 7s 10d
(incl. £357 7s 6d purchase tax)