Key facts

1933 Austin 7 information summary

What body style?
sedan/saloon with 4/5 seats
How long?
3124 mm
How heavy?
635 kg
What size engine?
0.7 litre, 747 cm3
How many cylinders?
4, Straight
How much power?
17.2 PS / 17 bhp / 12.7 kW @ 3800 rpm
How much torque?


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Austin logo

British Leyland (Austin-Morris) Limited

1933 Austin 7 technical specifications


The Austin 7 is a saloon (sedan) with a front mounted engine which supplies its power to the rear wheels.
The Austin 7's engine is a naturally aspirated petrol, 0.7 litre, side valve 4 cylinder with 2 valves per cylinder. This unit produces 17 bhp (17.2 PS/12.7 kW) of power at 3800 rpm.
A 4 speed manual gearbox transmits the power to the driven wheels.
Its quoted kerb weight is 635 kg.
1933 Austin 7 data
1933 Austin 7 data
Body type4/5 seater sedan/saloon
Number of doors
dimensions & weights
Wheelbase 2057 81
Track/tread (front) 1092 43
Track/tread (rear) 1092 43
Length 3124 123
Width 1295 51
Ground clearance 156 6.1
length:wheelbase ratio 1.52
Kerb weight 635 kg 1400 lb
Weight distribution
fuel tank capacity 22.7 litres 5 UK Gal 6 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Austin
Engine code
Cylinders Straight 4
Capacity 0.7 litre
747 cc
(45.585 cu in)
Bore × Stroke 56 × 76 mm
2.2 × 2.99 in
Bore/stroke ratio 0.74
side valve (SV)
2 valves per cylinder
8 valves in total
maximum power output 17.2 PS (17 bhp) (12.7 kW)
at 3800 rpm
Specific output 22.8 bhp/litre
0.37 bhp/cu in
maximum torque
Specific torque
Engine construction
compression ratio
Fuel system
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 186.75 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 27.14 PS/g
19.96 kW/g
26.77 bhp/ton
0.01 bhp/lb
Weight-to-power ratio 50.09 kg/kW
83.67 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 LA.SE.
Rear suspension LA.QE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio
Final drive ratio 5.13
general ID15070
Production total
Model code
Model family
RAC rating 7.8
Insurance classification No information available
Tax band No information available
1933 Austin 7 added before December 1995.
Last modified 2013-02-28.

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1933 Austin 7

World Car Specifications