1912 Fiat 12/15 hp Model Zero

The 12/15 hp Model Zero is a road car from Fiat, with rear wheel drive, a front located engine and a 2 door roadster body style. Its engine is a naturally aspirated petrol, 1.8 litre, 4 cylinder with 2 valves per cylinder. It has an output of 19 bhp (19.3 PS/14.2 kW) of power at 2000 rpm. The engine powers the wheels compliments of a 4 speed manual transmission. It weighs a stated 1200 kg at the kerb. The Fiat 12/15 hp Model Zero is claimed to manage a maxiumum speed of 63 km/h or 39 mph.


Fiat 12-15 HP Model Zero -
Fiat 12-15 HP Model Zero
Image courtesy of Fiat

Key facts

1912 Fiat 12/15 hp Model Zero information summary

What body style?
2 door roadster with 4 seats
How long?
3660 mm
How heavy?
1200 kg
What size engine?
1.8 litre, 1846 cm3
How many cylinders?
4, Straight
How much power?
19.3 PS / 19 bhp / 14.2 kW @ 2000 rpm
How much torque?
How quick?
0-60 mph: -1 s
How quick?
0-100 km/h: -1 s
How fast?
63 km/h, 39 mph

Similar models

0 door roadster FR 3M 1693 cm3
roadster FR 3M 1821 cm3
1912 Fiat 12/15 hp Model Zero data
Body type4 seater roadster
Number of doors2
dimensions & weights
Wheelbase 2645 mm 104.1 inches
Track/tread (front) 1200 mm 47.2 inches
Track/tread (rear) 1200 mm 47.2 inches
Length 3660 mm 144.1 inches
Width 1450 mm 57.1 inches
Height 1800 mm 70.9 inches
Ground clearance
length:wheelbase ratio 1.38
Kerb weight 1200 kg 2646 lb
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Fiat
Engine code
Cylinders Straight 4
Capacity 1.8 litre
1846 cc
(112.65 cu in)
Bore × Stroke 70 × 120 mm
2.76 × 4.72 in
Bore/stroke ratio 0.58
Valve gear
2 valves per cylinder
8 valves in total
maximum power output 19.3 PS (19 bhp) (14.2 kW)
at 2000 rpm
Specific output 10.3 bhp/litre
0.17 bhp/cu in
maximum torque
Specific torque
Engine construction
compression ratio 4.2:1
Fuel system
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 461.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph) -1 s
Acceleration 0-60mph -1 s
Acceleration 0-100km/h -1 s
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile
Standing kilometre
Maximum speed 63 km/h (39 mph)
Power-to-weight ratio 16.05 PS/tonne (1000 kg)
11.81 kW/tonne (1000 kg)
15.83 bhp/tonne (1000 kg)
0.01 bhp/lb
Weight-to-power ratio 84.7 kg/kW
141.47 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
turns lock-to-lock
Turning circle
Front suspension LA.SE.
Rear suspension LA.QE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio
Carfolio.com ID66924
Production total
Model code
Model family
RAC rating 12.2
Insurance classification No information available
Tax band No information available
1912 Fiat 12/15 hp Model Zero added before December 1995.
Last modified 2013-02-28.