Key facts

1952 Austin A40 Somerset Coupé information summary

What body style?
fixed-head coupé with 4/5 seats
How long?
4050 mm
How heavy?
1000 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?
79 Nm / 58 ft.lb / 8.1 kgm @ 2400 rpm
How quick?
0-60 mph: 33.90 s
How fast?
113 km/h, 70 mph

Austin

Austin logo -

Austin logo

British Leyland (Austin-Morris) Limited

1952 Austin A40 Somerset Coupé technical specifications

Introduction

This vehicle has a coupé type body with a front positioned engine supplying power to the rear wheels.
The Austin A40 Somerset Coupé's engine is a naturally aspirated petrol, 1.2 litre, overhead valve 4 cylinder with 2 valves per cylinder. This powerplant has an output of 42 bhp (42.6 PS/31.3 kW) of power at 4500 rpm, and maximum torque of 79 N·m (58 lb·ft/8.1 kgm) at 2400 rpm.
Quoted weight at the kerb is 1000 kg.
The Austin A40 Somerset Coupé is claimed to manage a maxiumum speed of 113 km/h (70 mph).
1952 Austin A40 Somerset Coupé data
1952 Austin A40 Somerset Coupé data
bodywork
Body type4/5 seater fixed-head coupé
Number of doors
Designer
dimensions & weights
mminches
Wheelbase 2350 92.5
Track/tread (front) 1221 48.1
Track/tread (rear) 1273 50.1
Length 4050 159.4
Width 1600 63
Height 1588 62.5
Ground clearance
length:wheelbase ratio 1.72
Kerb weight 1000 kg 2205 lb
Weight distribution 54.00 % front
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area 1.89
CdA
engine
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 65.5 × 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 79 Nm (58 ft·lb) (8.1 kgm)
at 2400 rpm
Specific torque 65.83 Nm/litre
0.8 ft·lb/cu3
Engine construction
sump
compression ratio 7.2:1
Fuel system 1 Ze carb
bmep (brake mean effective pressure) 827.3 kPa (120 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 300 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph) 19.80 s
Acceleration 0-60mph 33.90 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile 24.30 s
Standing kilometre
Maximum speed 113 km/h (70 mph)
Power-to-weight ratio 42.58 PS/g
31.32 kW/g
42 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 31.93 kg/kW
53.33 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox
Top gear ratio
Final drive ratio
general
Carfolio.com ID14586
Production total
Model code
Model family
RAC rating 10.6
Insurance classification No information available
Tax band No information available
1952 Austin A40 Somerset Coupé added before December 1995.
Last modified 2013-02-28.

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1952 Austin A40 Somerset Coupé


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