Key facts

1972 Fiat X1-9 information summary

What body style?
fixed-head coupé with 2 seats
How long?
3830 mm
How heavy?
880 kg
What size engine?
1.3 litre, 1290 cm3
How many cylinders?
4, Straight
How much power?
75 PS / 74 bhp / 55 kW @ 6600 rpm
How much torque?
98 Nm / 72 / 10 kgm @ 3400 rpm
How quick?
0-60 mph: 11.8 s
How quick?
0-100 km/h: 12.5 s
How fast?
169 km/h, 105 mph


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1972 Fiat X1-9 technical specifications


This car has a 2 door coupé body style styled by Bertone with a mid located engine powering the rear wheels.
It's powered courtesy of a naturally aspirated engine of 1.3 litre capacity. This unit features single overhead camshaft valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 74 bhp (75 PS/55 kW) of power at 6600 rpm, and maximum torque of 98 N·m (72 lb·ft/10 kgm) at 3400 rpm.
The engine transmits power to the wheels via a 5 speed manual gearbox.
Its quoted weight at the kerb is 880 kg.
It is said to be able to attain a top speed of 169 km/h (105 mph).
1972 Fiat X1-9 data
1972 Fiat X1-9 data
Body type2 seater fixed-head coupé
Number of doors2
dimensions & weights
Wheelbase 2202 86.7
Track/tread (front) 1335 52.6
Track/tread (rear) 1343 52.9
Length 3830 150.8
Width 1570 61.8
Height 1170 46.1
Ground clearance 127 5
length:wheelbase ratio 1.74
Kerb weight 880 kg 1940 lb
Weight distribution
fuel tank capacity 47.7 litres 10.5 UK Gal 12.6 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Fiat
Engine code
Cylinders Straight 4
Capacity 1.3 litre
1290 cc
(78.721 cu in)
Bore × Stroke 86 × 55.5 mm
3.39 × 2.19 in
Bore/stroke ratio 1.55
single overhead camshaft (SOHC)
2 valves per cylinder
8 valves in total
maximum power output
75 PS (74 bhp) (55 kW)
at 6600 rpm
Specific output
57.4 bhp/litre
0.94 bhp/cu in
maximum torque
98 Nm (72 ft·lb) (10 kgm)
at 3400 rpm
Specific torque
75.97 Nm/litre
0.92 ft·lb/cu3
Engine construction
compression ratio 9.2:1
Fuel system 1 We carb
bmep (brake mean effective pressure) 954.7 kPa (138.5 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) 8.4 s
Acceleration 0-60mph 11.8 s
Acceleration 0-100km/h 12.5 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile 18.5 s
Standing kilometre 34.7 s
Maximum speed 169 km/h (105 mph)
Power-to-weight ratio 85.26 PS/g
62.71 kW/g
84.09 bhp/ton
0.04 bhp/lb
Weight-to-power ratio 15.95 kg/kW
26.64 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 mid
Engine layout transverse
Drive wheels rear wheel drive  
Torque split N/A
Steering rack & pinion
turns lock-to-lock
Turning circle
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
Front brake diameter
Rear brake diameter
Gearbox 5 speed manual
Top gear ratio 0.96
Final drive ratio 4.08
general ID42020
Production total
Model code
Model family
RAC rating 18.3
Insurance classification No information available
Tax band No information available
1972 Fiat X1-9 added before December 1995.
Last modified 2013-02-28.

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1972 Fiat X1-9

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