• Alfa-Romeo Giulietta Spider

    Alfa-Romeo Giulietta Spider -

    Image courtesy of Fiat

Key facts

1955 Alfa Romeo Giulietta Spider 750 750D information summary

What body style?
convertible/cabriolet with 2 seats
How long?
3380 mm
How heavy?
820 kg
What size engine?
1.3 litre, 1290 cm3
How many cylinders?
4, Straight
How much power?
80 PS / 79 bhp / 59 kW @ 6000 rpm
How much torque?
112 Nm / 83 / 11.4 kgm @ 4250 rpm
How quick?
0-60 mph: 13.3 s
How fast?
163 km/h, 101 mph

Alfa Romeo

Alfa Romeo logo -

Alfa Romeo logo

Alfa Romeo Automobiles SpA

1955 Alfa Romeo Giulietta Spider technical specifications


The Giulietta Spider is a rear wheel drive Pininfarina designed convertible/cabriolet motor car with a front located engine, sold by Alfa Romeo.
The Giulietta Spider is part of Alfa Romeo's 750 model series.
The 4 cylinder, double overhead camshaft naturally aspirated engine has 2 valves per cylinder and a capacity of 1.3 litres. In this application it musters power and torque figures of 79 bhp (80 PS/59 kW) at 6000 rpm and 112 Nm (83 lbft/11.4 kgm) at 4250 rpm respectively.
The engine supplies its power through to the wheels via a 4 speed manual gearbox.
Quoted weight at the kerb is 820 kg.
Maximum claimed speed is 163 km/h or 101 mph.
1955 Alfa Romeo Giulietta Spider data
1955 Alfa Romeo Giulietta Spider 750 750D data
Body type2 seater convertible/cabriolet
Number of doors2
dimensions & weights
Wheelbase 2200 86.6
Track/tread (front) 1293 50.9
Track/tread (rear) 1270 50
Length 3380 133.1
Width 1540 60.6
Height 1180 46.5
Ground clearance 140 5.5
length:wheelbase ratio 1.54
Kerb weight 820 kg 1808 lb
Weight distribution
fuel tank capacity 53.4 litres 11.7 UK Gal 14.1 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Alfa Romeo
Engine code
Cylinders Straight 4
Capacity 1.3 litre
1290 cc
(78.721 cu in)
Bore × Stroke 74 × 75 mm
2.91 × 2.95 in
Bore/stroke ratio 0.99
double overhead camshaft (DOHC)
2 valves per cylinder
8 valves in total
maximum power output
80 PS (79 bhp) (59 kW)
at 6000 rpm
Specific output
61.2 bhp/litre
1 bhp/cu in
maximum torque
112 Nm (83 ft·lb) (11.4 kgm)
at 4250 rpm
Specific torque
86.82 Nm/litre
1.05 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 8.5:1
Fuel system 1 Solex 35 APAI-G carburettor
bmep (brake mean effective pressure) 1091 kPa (158.2 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 322.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 13.3 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile
Standing kilometre
Maximum speed 163 km/h (101 mph)
Power-to-weight ratio 97.68 PS/g
71.84 kW/g
96.34 bhp/ton
0.04 bhp/lb
Weight-to-power ratio 13.92 kg/kW
23.25 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 & sector
turns lock-to-lock 3.300
Turning circle 10.70 m
Front suspension I.CS.
Rear suspension I.CS.
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 4.56
general ID52668
Production total
Model code 750D
Model family 750
RAC rating 13.6
Insurance classification No information available
Tax band No information available
1955 Alfa Romeo Giulietta Spider added before December 1995.
Last modified 2013-02-28.

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1955 Alfa Romeo Giulietta Spider

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