Key facts

1947 Austin A125 Limousine information summary

What body style?
limousine with 6/7 seats
How long?
5194 mm
How heavy?
2060 kg
What size engine?
4 litre, 3990 cm3
How many cylinders?
6, Straight
How much power?
127 PS / 125 bhp / 93 kW
How much torque?


Austin logo -

Austin logo

British Leyland (Austin-Morris) Limited

1947 Austin A125 Limousine technical specifications


This car has a 4 door limousine body style with a front positioned engine powering the rear wheels.
The 4 litre engine is a naturally aspirated, overhead valve, 6 cylinder that develops 125 bhp (127 PS/93 kW) of power.
The engine delivers its power through to the wheels via a 4 speed manual gearbox.
Stated kerb weight is 2060 kg.
1947 Austin A125 Limousine data
1947 Austin A125 Limousine data
Body type6/7 seater limousine
Number of doors4
dimensions & weights
Wheelbase 3353 132
Track/tread (front)
Track/tread (rear)
Length 5194 204.5
Width 1854 73
Ground clearance
length:wheelbase ratio 1.55
Kerb weight 2060 kg 4542 lb
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Austin
Engine code
Cylinders Straight 6
Capacity 4 litre
3990 cc
(243.485 cu in)
Bore × Stroke 87.3 × 111.1 mm
3.44 × 4.37 in
Bore/stroke ratio 0.79
overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output 127 PS (125 bhp) (93 kW)
Specific output 31.3 bhp/litre
0.51 bhp/cu in
maximum torque
Specific torque
Engine construction
compression ratio 6.8:1
Fuel system 1 St carb
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 665 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 61.52 PS/g
45.25 kW/g
60.68 bhp/ton
0.03 bhp/lb
Weight-to-power ratio 22.1 kg/kW
36.92 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
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 4.55
general ID50347
Production total
Model code
Model family
RAC rating 28.4
Insurance classification No information available
Tax band No information available
1947 Austin A125 Limousine added before December 1995.
Last modified 2013-02-28.

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1947 Austin A125 Limousine

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