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Siata 1250 GT

Bodywork

type 2+2 FHC
doors 0

Engine information

Bore × stroke 70.00 mm × 81.00 mm 2.76 in × 3.19 in
Cylinders S-4
Displace 1.2 litre 1247 cc (76.097 cu in)
Engine type OHV
Valves 2 valves per cylinder | 8 valves in total
Engine construction
Sump
Compression ratio 8.00:1
Fuel system 1 We carb
Maximum power
0-50 mph
0-60 mph
0-100 mph -1.00 s
0-100 km/h
80 - 120 km/h
402 m (Quarter mile)
Standing km
Top speed 151 km/h (94 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 79.52 bhp/ton
Specific output
Maximum torque
bmep 886.8 kPa (128.6 psi)
Specific torque 70.57 Nm/litre
Maximum rpm
Code
Main bearings
Coolant Water
Bore / stroke ratio 0.86
Unitary capacity 311.75 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 2343 mm
wheelbase 92.2 in
Length (milimeters) 4007 mm
Length (inches) 157.8 in
Width (milimeters) 1511 mm
Width (inches) 59.5 in
Height (milimeters) 1334 mm
Height (inches) 52.5 in
L:W ratio 1.71
Ground clearance (milimeters)
Ground clearance (inches)
Kerb weight (kilograms) 830 kg
Kerb weight (pounds) 1830 lb
Weight distribuiton
Fuel capacity (litres) 39.8 litre
Fuel capacity (UK Ga) 8.8 UK Gal
Fuel capacity (US Gal) 10.5 US Gal

Aerodynamics

Drag coefficient
Frontal area
Cx

Chassis

Engine location Front
Engine alignment Longitudinal
Drive RWD
Steering
Turns lock-to-lock
Turning circle 10.50 m
Tyres
Wheels
Brakes F/R Dr/Dr
Brake ∅
Braked area
Transmission 4M
Top gear ratio 1.00
Final drive ratio 4.10

General information

RAC rating 12.2
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1957 Siata 1250 GT PDF Manual
Designer unknown
Year 1957

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