1979 Fiat X1-9

The Fiat X1-9 is a coupé designed by Bertone with 2 doors and a mid mounted engine which transmits its power through the rear wheels. It's powered courtesy of a naturally aspirated engine of 1.5 litre capacity. This unit features single overhead camshaft valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 85 bhp (86 PS/63 kW) of power at 6000 rpm, and maximum torque of 118 N·m (87 lb·ft/12 kgm) at 3200 rpm. The power is transmitted to the wheels via a 5 speed manual gearbox. With a stated kerb weight of 914 kg, the Fiat X1-9 can dispense with the 0-60 mph dash in 10.4 seconds and the standing-start quarter mile in 17.8 seconds. The Fiat X1-9 is claimed to achieve a maxiumum speed of 180 km/h or 112 mph.
Full specs

Body type
2 door fixed-head coupé with 2 seats
Length
3980 mm
Weight
914 kg
Engine type
naturally aspirated petrol
Engine size
1.5 litre
Cylinders
4, Straight
Power
86 PS / 85 bhp / 63 kW @ 6000 rpm
Torque
118 Nm / 87 ft.lb / 12 kgm @ 3200 rpm
Acceleration
0-60 mph 10.4 s
Top speed
180 km/h / 112 mph

1979 Fiat X1-9 specifications

1979 Fiat X1-9 data
bodywork
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Body type	2 seater fixed-head coupé
Number of doors	2
Designer	Bertone
dimensions & weights
Wheelbase	2202 mm	86.7 inches
Track/tread (front)	1359 mm	53.5 inches
Track/tread (rear)	1355 mm	53.3 inches
Length	3980 mm	156.7 inches
Width	1567 mm	61.7 inches
Height	1143 mm	45 inches
Ground clearance	125 mm	4.9 inches
length:wheelbase ratio	1.81
Kerb weight	914 kg	2015 lb
Weight distribution	40.2% front
fuel tank capacity	50 litres	11 [13.2] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Fiat
Engine code
Cylinders	Straight 4
Capacity	1.5 litre 1498 cc (91.414 cu in)
Bore × Stroke	86.4 × 63.9 mm 3.4 × 2.52 in
Bore/stroke ratio	1.35
Valve gear	single overhead camshaft (SOHC) 2 valves per cylinder 8 valves in total
maximum power output (DIN)	86 PS (85 bhp) (63 kW) at 6000 rpm
maximum torque (DIN)	118 Nm (87 ft·lb) (12 kgm) at 3200 rpm
Specific output (DIN)	42.3 kW/litre 57.5 ps/litre 56.7 bhp/litre 0.93 bhp/cu in
Specific torque (DIN)	78.77 Nm/litre 0.95 ft·lb/cu³
Engine construction
Lubrication
compression ratio	9.2:1
Fuel system	1 We carb
bmep (brake mean effective pressure)	989.9 kPa (143.6 psi)
Maximum RPM
crankshaft bearings	5
Engine coolant	Water
Unitary capacity	374.5 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph	10.4 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile	17.8 s
Standing kilometre
Maximum speed	180 km/h (112 mph)
Power-to-weight ratio	Higher is better 94.29 PS/tonne (1000 kg) 0.09 PS/kg 69.35 kW/tonne (1000 kg) 0.07 kW/kg 93 bhp/tonne (1000 kg) 0.09 bhp/kg 0.04 bhp/lb
Weight-to-power ratio	Lower is better 14.42 kg/kW 24.09 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	mid
Engine layout	transverse
Drive wheels	rear wheel drive
Torque split	N/A
Steering	rack & pinion
turns lock-to-lock	3.100
Turning circle	10.00 m
Front suspension	I.MS.CS.
Rear suspension	I.MS.CS.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R	Di/Di-S
Front brake diameter
Rear brake diameter
Braked area
Gearbox	5 speed manual
Top gear ratio	0.86
Final drive ratio	4.08
general
Carfolio.com ID	37609
Production total
Model code
RAC rating	18.5
Insurance classification	No information available
Tax band	No information available
1979 Fiat X1-9 added before December 1995. Last modified 2013-02-28.