Key facts

Austin Mini 1275 GT information summary

What body style?
sedan/saloon with 4/5 seats
How long?
3181 mm
How heavy?
655 kg
What size engine?
1.3 litre, 1275 cm3
How many cylinders?
4, Straight
How much power?
58 PS / 57 bhp / 43 kW @ 5500 rpm
How much torque?
94 Nm / 69 / 9.6 kgm @ 3000 rpm
How quick?
0-60 mph: 14.5 s
How fast?
140 km/h, 87 mph


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British Leyland (Austin-Morris) Limited

Austin Mini 1275 GT technical specifications


The Austin Mini 1275 GT is a 2 door saloon (sedan)-bodied road car with a front located engine driving through the front wheels.
Power is supplied by an overhead valve, 1.3 litre naturally aspirated 4 cylinder engine, with 2 valves per cylinder that produces power and torque figures of 57 bhp (58 PS/43 kW) at 5500 rpm and 94 N·m (69 lb·ft/9.6 kgm) at 3000 rpm respectively.
The engine delivers its power through to the wheels via a 4 speed manual gearbox.
Quoted weight at the kerb is 655 kg.
The Austin Mini 1275 GT is said to be able to attain a maxiumum speed of 140 km/h (87 mph).
Austin Mini 1275 GT data
Austin Mini 1275 GT data
Body type4/5 seater sedan/saloon
Number of doors2
dimensions & weights
Wheelbase 2038 80.2
Track/tread (front) 1219 48
Track/tread (rear) 1200 47.2
Length 3181 125.2
Width 1410 55.5
Height 1346 53
Ground clearance
length:wheelbase ratio 1.56
Kerb weight 655 kg 1444 lb
Weight distribution
fuel tank capacity
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 58 PS (57 bhp) (43 kW)
at 5500 rpm
Specific output 44.7 bhp/litre
0.73 bhp/cu in
maximum torque 94 Nm (69 ft·lb) (9.6 kgm)
at 3000 rpm
Specific torque 73.73 Nm/litre
0.89 ft·lb/cu3
Engine construction
compression ratio 8.8:1
Fuel system 1 SU carb
bmep (brake mean effective pressure) 926.5 kPa (134.4 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) 9.8 s
Acceleration 0-60mph 14.5 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile 19.5 s
Standing kilometre
Maximum speed 140 km/h (87 mph)
Power-to-weight ratio 88.23 PS/g
64.89 kW/g
87.02 bhp/ton
0.04 bhp/lb
Weight-to-power ratio 15.41 kg/kW
25.74 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
turns lock-to-lock
Turning circle
Front suspension I.RS.DW.
Rear suspension I.RS.TA.
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 3.44
general ID50820
Production total
Model code
Model family
RAC rating 12.4
Insurance classification No information available
Tax band No information available
Austin Mini 1275 GT added before December 1995.
Last modified 2013-02-28.

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Austin Mini 1275 GT

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