1957 Siata 1250 GT

This vehicle has a coupé type body with a front positioned engine powering the rear wheels. The power is produced by a naturally aspirated engine of 1.2 litre capacity. This powerplant features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It develops 66 bhp (67 PS/49 kW) of power at 5500 rpm, and maximum torque of 88 N·m (65 lb·ft/9 kgm) at 4000 rpm. The engine transfers its power through to the wheels via a 4 speed manual transmission. Quoted kerb weight is 830 kg. Maximum claimed speed is 151 km/h, which equates to 94 mph.
Full specs

Body type
fixed-head coupé with 2+2 seats
Length
4007 mm
Weight
830 kg
Engine type
naturally aspirated petrol
Engine size
1.2 litre
Cylinders
4, Straight
Power
67 PS / 66 bhp / 49 kW @ 5500 rpm
Torque
88 Nm / 65 ft.lb / 9 kgm @ 4000 rpm
Top speed
151 km/h / 94 mph

1957 Siata 1250 GT

1957 Siata 1250 GT
Carrosserie
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Carrosserie	2+2 seater fixed-head coupé
Nombre de portes
Designer
Dimensions et poids
Empattement	2343	92.2
Voies AV	1232	48.5
Voies AR	1207	47.5
Longueur	4007	157.8
Largeur	1511	59.5
Hauteur	1334	52.5
Garde au sol
	1.71
Poids avec pleins	830 kg	1830
Répartition poids AV
Réservoir à essence	39.8 litres	8.8 [10.5] UK [US] gal.
Caractéristiques aérodynamique
Coefficient de pénétration
maître-couple
SCx

	naturally aspirated petrol
Constructeur du moteur
Type moteur
Cylinders	Straight 4
Cylindrée	1.2 litre 1247 cc (76.097 cu in)
Alésage × Course	70 × 81 mm 2.76 × 3.19 in
Rapport alésage / course	0.86
Distribution	overhead valve (OHV) 2 Soupapes par cylindre 8 Total vannes
Puissance maximale (Net)	67 PS (66 bhp) (49 kW) à 5500 tr/mn
Couple maximale (Net)	88 Nm (65 ft·lb) (9 kgm) à 4000 tr/mn
Specific output (Net)	39.5 kW/litre 53.7 ps/litre 52.9 bhp/litre 0.87 bhp/cu in
(Net)	70.57 Nm/litre 0.85 ft·lb/cu³
Construction
Lubrification
Taux de compression	8:1
Carburant	1 We carb
bmep (brake mean effective pressure)	886.8 kPa (128.6 psi)
Régime maximal
Nombre de paliers de vilebrequin
Refroidissement	Water
Cylindrée Unitaire	311.75 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalyseur	N
Performances
0-80km/h
0-60mph
0-100km/h
0-160km/h
0-400m
0-1000m
Vitesse	151 km/h (94 mph)
Power-to-weight ratio	Higher is better 80.62 PS/tonne (1000 kg) 0.08 PS/kg 59.3 kW/tonne (1000 kg) 0.06 kW/kg 79.52 bhp/tonne (1000 kg) 0.08 bhp/kg 0.04 bhp/lb
Weight-to-power ratio	Lower is better 16.86 kg/kW 28.17 lb/bhp
Consommation
Consommation
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Emissions de CO₂
Emissions de CO₂
Carfolio Calculated CO₂ ^?
VED band (UK)
CO₂ Effizienz (DE)
Châssis
Emplacement de moteur	front
Engine layout	longitudinal
Traction	rear wheel drive
Répartition du couple	N/A
Direction
turns lock-to-lock
Turning circle	10.50 m
Suspension AV	I.CS.
Suspension AR	LA.SE.
Roues AV
Roues AR
Pneumatiques AV
Pneumatiques AR
Freins AV/AR	Dr/Dr
Diamètre des freins AV
Diamètre des freins AR
Braked area
Transmission	4 speed manual
Rapport de démultiplication supérieure	1
Rapport de pont	4.10
Généralités
Carfolio.com ID	43835
Production total
Type mines
RAC rating	12.2
Insurance classification	No information available
Tax band	No information available
1957 Siata 1250 GT added before December 1995. Last modified 2013-02-28.