1955 Siata 1100 GT

The Siata 1100 GT is a 2 door coupé style car designed by Vignale with a front located engine driving through the rear wheels. The 4 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a capacity of 1.1 litres. For this model it develops power and torque figures of 51 bhp (52 PS/38 kW) at 5000 rpm and 84 Nm (62 lbft/8.6 kgm) at 3600 rpm respectively. The engine transmits power to the wheels via a 4 speed manual gearbox. The quoted kerb weight is 830 kg. The Siata 1100 GT is said to be able to attain a maxiumum speed of 135 km/h which is 84 mph.
Full specs

Body type
2 door fixed-head coupé with 2+2 seats
Length
4060 mm
Weight
830 kg
Engine type
naturally aspirated petrol
Engine size
1.1 litre
Cylinders
4, Straight
Power
52 PS / 51 bhp / 38 kW @ 5000 rpm
Torque
84 Nm / 62 ft.lb / 8.6 kgm @ 3600 rpm
Top speed
135 km/h / 84 mph

1955 Siata 1100 GT specifications

1955 Siata 1100 GT data
bodywork
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Body type	2+2 seater fixed-head coupé
Number of doors	2
Designer	Vignale
dimensions & weights
Wheelbase	2340 mm	92.1 inches
Track/tread (front)	1230 mm	48.4 inches
Track/tread (rear)	1210 mm	47.6 inches
Length	4060 mm	159.8 inches
Width	1510 mm	59.4 inches
Height	1360 mm	53.5 inches
Ground clearance	155 mm	6.1 inches
length:wheelbase ratio	1.74
Kerb weight	830 kg	1830 lb
Weight distribution
fuel tank capacity	32 litres	7 [8.5] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Fiat
Engine code
Cylinders	Straight 4
Capacity	1.1 litre 1089 cc (66.455 cu in)
Bore × Stroke	68 × 75 mm 2.68 × 2.95 in
Bore/stroke ratio	0.91
Valve gear	overhead valve (OHV) 2 valves per cylinder 8 valves in total
maximum power output	52 PS (51 bhp) (38 kW) at 5000 rpm
maximum torque	84 Nm (62 ft·lb) (8.6 kgm) at 3600 rpm
Specific output	34.9 kW/litre 47.5 ps/litre 46.8 bhp/litre 0.77 bhp/cu in
Specific torque	77.13 Nm/litre 0.93 ft·lb/cu³
Engine construction
Lubrication	wet sumped
compression ratio	7.2:1
Fuel system	2 Weber 32 DR carburettors
bmep (brake mean effective pressure)	969.3 kPa (140.6 psi)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	272.25 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed	135 km/h (84 mph)
Power-to-weight ratio	Higher is better 62.3 PS/tonne (1000 kg) 0.06 PS/kg 45.82 kW/tonne (1000 kg) 0.05 kW/kg 61.45 bhp/tonne (1000 kg) 0.06 bhp/kg 0.03 bhp/lb
Weight-to-power ratio	Lower is better 21.82 kg/kW 36.45 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carbon dioxide emissions
Carfolio Calculated CO₂ ^?
VED band (UK)
CO₂ Effizienz (DE)
chassis
Engine position	front
Engine layout	longitudinal
Drive wheels	rear wheel drive
Torque split	N/A
Steering
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front	5.20-14
Tyres rear	5.20-14
Brakes F/R	Dr/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox	4 speed manual
Top gear ratio	1
Final drive ratio	4.30
general
Carfolio.com ID	534776
Production total
Model code
RAC rating	11.5
Insurance classification	No information available
Tax band	No information available
1955 Siata 1100 GT added 2017-12-02. Last modified 2020-03-16.