Key facts

1954 Austin A40 Cambridge information summary

What body style?
sedan/saloon with 4/5 seats
How long?
4128 mm
How heavy?
1020 kg
What size engine?
1.2 litre, 1200 cm3
How many cylinders?
4, Straight
How much power?
42.6 PS / 42 bhp / 31.3 kW @ 4500 rpm
How much torque?
78 Nm / 58 / 8 kgm @ 2400 rpm


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Austin logo

British Leyland (Austin-Morris) Limited

1954 Austin A40 Cambridge technical specifications


This car has a 4 door saloon (sedan) body style with a front positioned engine delivering power to the rear wheels.
It's powered courtesy of a naturally aspirated engine of 1.2 litre capacity. This unit features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It develops 42 bhp (42.6 PS/31.3 kW) of power at 4500 rpm, and maximum torque of 78 N·m (58 lb·ft/8 kgm) at 2400 rpm.
The engine supplies its power through to the wheels via a 4 speed manual 'box.
It weighs a claimed 1020 kg at the kerb.
1954 Austin A40 Cambridge data
1954 Austin A40 Cambridge data
Body type4/5 seater sedan/saloon
Number of doors4
dimensions & weights
Wheelbase 2521 99.3
Track/tread (front) 1245 49
Track/tread (rear) 1245 49
Length 4128 162.5
Width 1562 61.5
Height 1562 61.5
Ground clearance 178 7
length:wheelbase ratio 1.64
Kerb weight 1020 kg 2249 lb
Weight distribution
fuel tank capacity 54.6 litres 12 UK Gal 14.4 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Austin
Engine code
Cylinders Straight 4
Capacity 1.2 litre
1200 cc
(73.228 cu in)
Bore × Stroke 65.48 × 89 mm
2.58 × 3.5 in
Bore/stroke ratio 0.74
overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output
42.6 PS (42 bhp) (31.3 kW)
at 4500 rpm
Specific output
35 bhp/litre
0.57 bhp/cu in
maximum torque
78 Nm (58 ft·lb) (8 kgm)
at 2400 rpm
Specific torque
65 Nm/litre
0.79 ft·lb/cu3
Engine construction
compression ratio 7.2:1
Fuel system 1 Ze carb
bmep (brake mean effective pressure) 816.8 kPa (118.5 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 300 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed
Power-to-weight ratio 41.75 PS/g
30.71 kW/g
41.18 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 32.57 kg/kW
54.4 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 11.00 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 5.10
general ID50303
Production total
Model code
Model family
RAC rating 10.6
Insurance classification No information available
Tax band No information available
1954 Austin A40 Cambridge added before December 1995.
Last modified 2013-02-28.

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1954 Austin A40 Cambridge

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