Key facts

1953 Sunbeam Alpine IIA information summary

What body style?
convertible/cabriolet with 2+2 seats
How long?
4274 mm
How heavy?
1270 kg
What size engine?
2.3 litre, 2267 cm3
How many cylinders?
4, Straight
How much power?
81 PS / 80 bhp / 60 kW @ 4200 rpm
How much torque?
163 Nm / 120 / 16.6 kgm @ 2400 rpm
How fast?
153 km/h, 95 mph


Manufacturer data not found

1953 Sunbeam Alpine IIA technical specifications


Sunbeam Alpine IIA is an automobile that has a 2 door convertible/cabriolet type body with a front located engine powering the rear wheels.
The power is produced by a naturally aspirated engine of 2.3 litre capacity. This powerplant features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It develops 80 bhp (81 PS/60 kW) of power at 4200 rpm, and maximum torque of 163 N·m (120 lb·ft/16.6 kgm) at 2400 rpm.
A 4 speed manual gearbox delivers the power to the driven wheels.
The Sunbeam Alpine IIA weighs a quoted 1270 kg at the kerb.
It is said to be able to attain a top speed of 153 km/h, or 95 mph.
1953 Sunbeam Alpine IIA data
1953 Sunbeam Alpine IIA data
Body type2+2 seater convertible/cabriolet
Number of doors2
dimensions & weights
Wheelbase 2477 97.5
Track/tread (front) 1283 50.5
Track/tread (rear) 1283 50.5
Length 4274 168.3
Width 1588 62.5
Height 1467 57.8
Ground clearance 171 6.7
length:wheelbase ratio 1.73
Kerb weight 1270 kg 2800 lb
Weight distribution
fuel tank capacity 45.5 litres 10 UK Gal 12 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Sunbeam-Talbot
Engine code
Cylinders Straight 4
Capacity 2.3 litre
2267 cc
(138.341 cu in)
Bore × Stroke 81 × 110 mm
3.19 × 4.33 in
Bore/stroke ratio 0.74
overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output 81 PS (80 bhp) (60 kW)
at 4200 rpm
Specific output 35.3 bhp/litre
0.58 bhp/cu in
maximum torque 163 Nm (120 ft·lb) (16.6 kgm)
at 2400 rpm
Specific torque 71.9 Nm/litre
0.87 ft·lb/cu3
Engine construction
compression ratio 7.42:1
Fuel system 1 St carb
bmep (brake mean effective pressure) 903.5 kPa (131 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 566.75 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph) 12.9 s
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile 21.1 s
Standing kilometre
Maximum speed 153 km/h (95 mph)
Power-to-weight ratio 63.87 PS/g
46.97 kW/g
62.99 bhp/ton
0.03 bhp/lb
Weight-to-power ratio 21.29 kg/kW
35.56 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
turns lock-to-lock
Turning circle 11.10 m
Front suspension I.CS.
Rear suspension LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 3.90
general ID44363
Production total
Model code
Model family
RAC rating 16.3
Insurance classification No information available
Tax band No information available
1953 Sunbeam Alpine IIA added before December 1995.
Last modified 2013-02-28.

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1953 Sunbeam Alpine IIA

World Car Specifications