Key facts

1938 Austin 12 information summary

What body style?
sedan/saloon with 4/5 seats
How long?
4115 mm
How heavy?
1156 kg
What size engine?
1.5 litre, 1535 cm3
How many cylinders?
4, Straight
How much power?
42.6 PS / 42 bhp / 31.3 kW @ 4000 rpm
How much torque?


Austin logo -

Austin logo

British Leyland (Austin-Morris) Limited

1938 Austin 12 technical specifications


This automobile has a saloon (sedan) type body with a front mounted engine driving through the rear wheels.
It is powered by a naturally aspirated engine of 1.5 litre capacity. This powerplant features side valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It produces 42 bhp (42.6 PS/31.3 kW) of power at 4000 rpm.
The engine drives the wheels by means of a 4 speed manual 'box.
The Austin 12 weighs a quoted 1156 kg at the kerb.
1938 Austin 12 data
1938 Austin 12 data
Body type4/5 seater sedan/saloon
Number of doors
dimensions & weights
Wheelbase 2700 106.3
Track/tread (front)
Track/tread (rear)
Length 4115 162
Width 1613 63.5
Ground clearance 171 6.7
length:wheelbase ratio 1.52
Kerb weight 1156 kg 2549 lb
Weight distribution
fuel tank capacity 36.4 litres 8 UK Gal 9.6 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Austin
Engine code
Cylinders Straight 4
Capacity 1.5 litre
1535 cc
(93.671 cu in)
Bore × Stroke 69.35 × 101.6 mm
2.73 × 4 in
Bore/stroke ratio 0.68
side valve (SV)
2 valves per cylinder
8 valves in total
maximum power output 42.6 PS (42 bhp) (31.3 kW)
at 4000 rpm
Specific output 27.4 bhp/litre
0.45 bhp/cu in
maximum torque
Specific torque
Engine construction
compression ratio
Fuel system 1 Ze carb
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 383.75 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 36.84 PS/g
27.09 kW/g
36.33 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 36.91 kg/kW
61.65 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.SE.
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 1
Final drive ratio 4.89
general ID50930
Production total
Model code
Model family
RAC rating 11.9
Insurance classification No information available
Tax band No information available
1938 Austin 12 added before December 1995.
Last modified 2013-02-28.

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1938 Austin 12

World Car Specifications