Key facts

1951 Austin A30 information summary

What body style?
fixed-head coupé with 4/5 seats
How long?
3460 mm
How heavy?
685 kg
What size engine?
0.8 litre, 803 cm3
How many cylinders?
4, Straight
How much power?
28.4 PS / 28 bhp / 20.9 kW @ 4800 rpm
How much torque?
54 Nm / 40 / 5.5 kgm @ 2200 rpm
How quick?
0-60 mph: -1 s
How fast?
100 km/h, 62 mph


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Austin logo

British Leyland (Austin-Morris) Limited

1951 Austin A30 technical specifications


Austin A30 is a car that has a coupé type body with a front mounted engine driving through the rear wheels.
It's powered courtesy of a naturally aspirated engine of 0.8 litre capacity. This powerplant features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 28 bhp (28.4 PS/20.9 kW) of power at 4800 rpm, and maximum torque of 54 N·m (40 lb·ft/5.5 kgm) at 2200 rpm.
The engine delivers its power through to the wheels via a 4 speed manual transmission.
It weighs a claimed 685 kg at the kerb.
Top claimed speed is 100 km/h, or 62 mph.
1951 Austin A30 data
1951 Austin A30 data
Body type4/5 seater fixed-head coupé
Number of doors
dimensions & weights
Wheelbase 2020 79.5
Track/tread (front) 1149 45.2
Track/tread (rear) 1137 44.8
Length 3460 136.2
Width 1400 55.1
Height 1480 58.3
Ground clearance
length:wheelbase ratio 1.71
Kerb weight 685 kg 1510 lb
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Austin
Engine code
Cylinders Straight 4
Capacity 0.8 litre
803 cc
(49.002 cu in)
Bore × Stroke 58 × 76 mm
2.28 × 2.99 in
Bore/stroke ratio 0.76
overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output 28.4 PS (28 bhp) (20.9 kW)
at 4800 rpm
Specific output 34.9 bhp/litre
0.57 bhp/cu in
maximum torque 54 Nm (40 ft·lb) (5.5 kgm)
at 2200 rpm
Specific torque 67.25 Nm/litre
0.81 ft·lb/cu3
Engine construction
compression ratio 7.2:1
Fuel system 1 Ze carb
bmep (brake mean effective pressure) 845.1 kPa (122.6 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 200.75 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph) 29 s
Acceleration 0-60mph -1 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile 26.5 s
Standing kilometre
Maximum speed 100 km/h (62 mph)
Power-to-weight ratio 41.44 PS/g
30.48 kW/g
40.88 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 32.81 kg/kW
54.8 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
Front suspension I.CS.
Rear suspension LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R 2LS/ -LH
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 4.89
general ID50314
Production total
Model code
Model family
RAC rating 8.3
Insurance classification No information available
Tax band No information available
1951 Austin A30 added before December 1995.
Last modified 2013-02-28.

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1951 Austin A30

World Car Specifications