Key facts

1952 Alfa Romeo AR 51 La Matta 1412 information summary

What body style?
off-road vehicle with 2 seats
How long?
3520 mm
How heavy?
1250 kg
What size engine?
1.9 litre, 1884 cm3
How many cylinders?
4, Straight
How much power?
65 PS / 64 bhp / 48 kW @ 4400 rpm
How much torque?
How fast?
105 km/h, 65 mph

Alfa Romeo

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Alfa Romeo logo

Alfa Romeo Automobiles SpA

1952 Alfa Romeo AR 51 La Matta technical specifications


This automobile has a 2 door off-road vehicle type body styled by Alfa Romeo with a front mounted engine driving through all four wheels.
Its engine is a naturally aspirated petrol, 1.9 litre, double overhead camshaft 4 cylinder with 2 valves per cylinder. This powerplant develops 64 bhp (65 PS/48 kW) of power at 4400 rpm. Lubrication is of the dry sump-type.
The engine transmits power to the wheels by means of a 4 speed manual gearbox.
Its quoted kerb weight is 1250 kg.
Its maximum speed claimed is 105 km/h (65 mph).
1952 Alfa Romeo AR 51 La Matta data
1952 Alfa Romeo AR 51 La Matta 1412 data
Body type2 seater off-road vehicle
Number of doors2
DesignerAlfa Romeo
dimensions & weights
Wheelbase 2200 86.6
Track/tread (front) 1300 51.2
Track/tread (rear) 1300 51.2
Length 3520 138.6
Width 1570 61.8
Height 1820 71.7
Ground clearance
length:wheelbase ratio 1.6
Kerb weight 1250 kg 2756 lb
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Alfa Romeo
Engine code
Cylinders Straight 4
Capacity 1.9 litre
1884 cc
(114.969 cu in)
Bore × Stroke 82.55 × 88 mm
3.25 × 3.46 in
Bore/stroke ratio 0.94
double overhead camshaft (DOHC)
2 valves per cylinder
8 valves in total
maximum power output 65 PS (64 bhp) (48 kW)
at 4400 rpm
Specific output 34 bhp/litre
0.56 bhp/cu in
maximum torque
Specific torque
Engine construction cast iron block
sump dry sumped
compression ratio 7:1
Fuel system 1 So carb
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 471 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 105 km/h (65 mph)
Power-to-weight ratio 51.91 PS/g
38.18 kW/g
51.2 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 26.19 kg/kW
43.75 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 front
Engine layout longitudinal
Drive wheels four wheel drive  
Torque split
turns lock-to-lock
Turning circle
Front suspension I.TB.
Rear suspension LA.LS.
Wheel size front
Wheel size rear
Tyres front 6.40 x 16 Artiglo
Tyres rear 6.40 x 16 Artiglo
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio
general ID93632
Production total 2012
Model code 1412
Model family
RAC rating 16.9
Insurance classification No information available
Tax band No information available
1952 Alfa Romeo AR 51 La Matta added 2002-03-06.
Last modified 2013-02-28.

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1952 Alfa Romeo AR 51 La Matta

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