Key facts

1931 Alfa Romeo 6C 1750 Gran Turismo 6C 1750 information summary

What body style?
sedan/saloon with 4/5 seats
How heavy?
1360 kg
What size engine?
1.8 litre, 1752 cm3
How many cylinders?
6, Straight
How much power?
81 PS / 80 bhp / 60 kW @ 4400 rpm
How much torque?
161 Nm / 119 / 16.4 kgm @ 2000 rpm
How fast?
130 km/h, 81 mph

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1931 Alfa Romeo 6C 1750 Gran Turismo technical specifications


The Alfa Romeo 6C 1750 Gran Turismo is a 2 door saloon (sedan)-bodied car with a front mounted engine powering the rear wheels.
It forms part of Alfa Romeo's 6C 1750 series of cars.
The Alfa Romeo 6C 1750 Gran Turismo's engine is a supercharged petrol, 1.8 litre, double overhead camshaft 6 cylinder with 2 valves per cylinder. It develops 80 bhp (81 PS/60 kW) of power at 4400 rpm, and maximum torque of 161 N·m (119 lb·ft/16.4 kgm) at 2000 rpm.
The engine transmits power to the wheels via a 4 speed manual gearbox.
Its quoted weight at the kerb is 1360 kg.
Top stated speed is 130 km/h, which equates to 81 mph.
1931 Alfa Romeo 6C 1750 Gran Turismo data
1931 Alfa Romeo 6C 1750 Gran Turismo 6C 1750 data
Body type4/5 seater sedan/saloon
Number of doors2
dimensions & weights
Wheelbase 3160 124.4
Track/tread (front) 1420 55.9
Track/tread (rear) 1420 55.9
Ground clearance
length:wheelbase ratio
Kerb weight 1360 kg 2998 lb
Weight distribution
fuel tank capacity 84 litres 18.5 UK Gal 22.2 US Gal
Drag coefficient
Frontal area
engine type supercharged petrol
Engine manufacturer Alfa Romeo
Engine code
Cylinders Straight 6
Capacity 1.8 litre
1752 cc
(106.914 cu in)
Bore × Stroke 65 × 88 mm
2.56 × 3.46 in
Bore/stroke ratio 0.74
double overhead camshaft (DOHC)
2 valves per cylinder
12 valves in total
maximum power output 81 PS (80 bhp) (60 kW)
at 4400 rpm
Specific output 45.7 bhp/litre
0.75 bhp/cu in
maximum torque 161 Nm (119 ft·lb) (16.4 kgm)
at 2000 rpm
Specific torque 91.89 Nm/litre
1.11 ft·lb/cu3
Engine construction
compression ratio 5:1
Fuel system 1 Me carb
bmep (brake mean effective pressure) 1154.8 kPa (167.5 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 292 cc
Aspiration S/Charged
Compressor Alfa-Romeo Roots supercharger
Intercooler N
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 130 km/h (81 mph)
Power-to-weight ratio 59.64 PS/g
43.86 kW/g
58.82 bhp/ton
0.03 bhp/lb
Weight-to-power ratio 22.8 kg/kW
38.08 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
Steering worm & helical wheel
turns lock-to-lock
Turning circle
Front suspension LA.SE.
Rear suspension LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 4.91
general ID51546
Production total
Model code
Model family 6C 1750
RAC rating 15.7
Insurance classification No information available
Tax band No information available
1931 Alfa Romeo 6C 1750 Gran Turismo added before December 1995.
Last modified 2013-02-28.

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1931 Alfa Romeo 6C 1750 Gran Turismo

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