Key facts

1950 Austin A135 Princess II information summary

What body style?
sedan/saloon with 4/5 seats
How long?
4890 mm
How heavy?
2020 kg
What size engine?
4 litre, 3990 cm3
How many cylinders?
6, Straight
How much power?
132 PS / 130 bhp / 97 kW @ 3700 rpm
How much torque?
287 Nm / 212 / 29.3 kgm @ 2200 rpm
How quick?
0-60 mph: 19.5 s
How fast?
138 km/h, 86 mph


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Austin logo

British Leyland (Austin-Morris) Limited

1950 Austin A135 Princess II technical specifications


The Austin A135 Princess II is a sedan/saloon style car with a front located engine supplying power to the rear wheels.
The Austin A135 Princess II's engine is a naturally aspirated petrol, 4 litre, overhead valve 6 cylinder with 2 valves per cylinder. This powerplant has an output of 130 bhp (132 PS/97 kW) of power at 3700 rpm, and maximum torque of 287 N·m (212 lb·ft/29.3 kgm) at 2200 rpm.
The Austin A135 Princess II weighs a claimed 2020 kg at the kerb.
It is claimed to achieve a top speed of 138 km/h, or 86 mph.
1950 Austin A135 Princess II data
1950 Austin A135 Princess II data
Body type4/5 seater sedan/saloon
Number of doors
dimensions & weights
Wheelbase 3029 119.3
Track/tread (front) 1473 58
Track/tread (rear) 1524 60
Length 4890 192.5
Width 1842 72.5
Height 1676 66
Ground clearance
length:wheelbase ratio 1.61
Kerb weight 2020 kg 4453 lb
Weight distribution 51 % front
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 132 PS (130 bhp) (97 kW)
at 3700 rpm
Specific output 32.6 bhp/litre
0.53 bhp/cu in
maximum torque 287 Nm (212 ft·lb) (29.3 kgm)
at 2200 rpm
Specific torque 71.93 Nm/litre
0.87 ft·lb/cu3
Engine construction
compression ratio 6.8:1
Fuel system 3 SU carbs
bmep (brake mean effective pressure) 903.9 kPa (131.1 psi)
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) 13.1 s
Acceleration 0-60mph 19.5 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile
Standing kilometre
Maximum speed 138 km/h (86 mph)
Power-to-weight ratio 65.25 PS/g
47.99 kW/g
64.36 bhp/ton
0.03 bhp/lb
Weight-to-power ratio 20.84 kg/kW
34.81 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
Rear suspension
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Top gear ratio
Final drive ratio
general ID15202
Production total
Model code
Model family
RAC rating 28.4
Insurance classification No information available
Tax band No information available
1950 Austin A135 Princess II added before December 1995.
Last modified 2013-02-28.

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1950 Austin A135 Princess II

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