Key facts

1964 Austin Mini Cooper 1275S information summary

What body style?
sedan/saloon with 4/5 seats
How long?
3054 mm
How heavy?
650 kg
What size engine?
1.3 litre, 1275 cm3
How many cylinders?
4, Straight
How much power?
77 PS / 76 bhp / 57 kW @ 5900 rpm
How much torque?
107 Nm / 79 / 10.9 kgm @ 3000 rpm
How quick?
0-60 mph: 11.2 s
How fast?
154 km/h, 96 mph


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Austin logo

British Leyland (Austin-Morris) Limited

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1964 Austin Mini Cooper 1275S technical specifications


This vehicle has a 2 door saloon (sedan) type body with a front mounted engine supplying power to the front wheels.
Its 1.3 litre engine is a naturally aspirated, overhead valve, 4 cylinder unit that develops 76 bhp (77 PS/57 kW) of power at 5900 rpm, and maximum torque of 107 N·m (79 lb·ft/10.9 kgm) at 3000 rpm.
The power is transferred to the wheels via a 4 speed manual gearbox.
The Austin Mini Cooper 1275S weighs a claimed 650 kg at the kerb.
It is claimed to manage a maxiumum speed of 154 km/h which is 96 mph.
1964 Austin Mini Cooper 1275S data
1964 Austin Mini Cooper 1275S data
Body type4/5 seater sedan/saloon
Number of doors2
dimensions & weights
Wheelbase 2038 80.2
Track/tread (front) 1308 51.5
Track/tread (rear) 1308 51.5
Length 3054 120.2
Width 1410 55.5
Height 1346 53
Ground clearance 152 6
length:wheelbase ratio 1.5
Kerb weight 650 kg 1433 lb
Weight distribution
fuel tank capacity 50 litres 11 UK Gal 13.2 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Austin
Engine code
Cylinders Straight 4
Capacity 1.3 litre
1275 cc
(77.805 cu in)
Bore × Stroke 70.61 × 81.3 mm
2.78 × 3.2 in
Bore/stroke ratio 0.87
overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output
77 PS (76 bhp) (57 kW)
at 5900 rpm
Specific output
59.6 bhp/litre
0.98 bhp/cu in
maximum torque
107 Nm (79 ft·lb) (10.9 kgm)
at 3000 rpm
Specific torque
83.92 Nm/litre
1.01 ft·lb/cu3
Engine construction
compression ratio 9.75:1
Fuel system 2 SU HS2 carburettors
bmep (brake mean effective pressure) 1054.6 kPa (153 psi)
Maximum RPM
crankshaft bearings 3
Engine coolant Water
Unitary capacity 318.75 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph) 8.2 s
Acceleration 0-60mph 11.2 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile 18.3 s
Standing kilometre
Maximum speed 154 km/h (96 mph)
Power-to-weight ratio 118.55 PS/g
87.19 kW/g
116.92 bhp/ton
0.05 bhp/lb
Weight-to-power ratio 11.47 kg/kW
19.16 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 transverse
Drive wheels front wheel drive  
Torque split N/A
Steering rack & pinion
turns lock-to-lock
Turning circle 8.70 m
Front suspension I.RS.CS.
Rear suspension I.RS.CS.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R Di/Dr
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio
Final drive ratio 3.77
general ID13970
Production total
Model code
Model family
RAC rating 12.4
Insurance classification No information available
Tax band No information available
1964 Austin Mini Cooper 1275S added before December 1995.
Last modified 2013-02-28.

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1964 Austin Mini Cooper 1275S

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