Key facts

1924 Alfa Romeo RM Sport information summary

What body style?
convertible/cabriolet with 2 seats
How long?
4250 mm
How heavy?
1450 kg
What size engine?
2 litre, 1996 cm3
How many cylinders?
4, Straight
How much power?
44.6 PS / 44 bhp / 32.8 kW @ 3200 rpm
How much torque?
How fast?
100 km/h, 62 mph

Alfa Romeo

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Alfa Romeo logo

Alfa Romeo Automobiles SpA

1924 Alfa Romeo RM Sport technical specifications


The Alfa Romeo RM Sport is a convertible/cabriolet style car with a front mounted engine driving through the rear wheels.
The Alfa Romeo RM Sport's engine is a naturally aspirated petrol, 2 litre, overhead inlet, side exhaust 4 cylinder with 2 valves per cylinder. This powerplant produces 44 bhp (44.6 PS/32.8 kW) of power at 3200 rpm.
The power is transmitted to the wheels via a 4 speed manual gearbox.
It weighs a claimed 1450 kg at the kerb.
Maximum speed claimed is 100 km/h, which is 62 mph.
1924 Alfa Romeo RM Sport data
1924 Alfa Romeo RM Sport data
Body type2 seater convertible/cabriolet
Number of doors
dimensions & weights
Wheelbase 2900 114.2
Track/tread (front) 1330 52.4
Track/tread (rear) 1330 52.4
Length 4250 167.3
Width 1680 66.1
Height 1650 65
Ground clearance
length:wheelbase ratio 1.47
Kerb weight 1450 kg 3197 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 2 litre
1996 cc
(121.803 cu in)
Bore × Stroke 76 × 110 mm
2.99 × 4.33 in
Bore/stroke ratio 0.69
overhead inlet, side exhaust (oise)
2 valves per cylinder
8 valves in total
maximum power output 44.6 PS (44 bhp) (32.8 kW)
at 3200 rpm
Specific output 22 bhp/litre
0.36 bhp/cu in
maximum torque
Specific torque
Engine construction cast iron block
compression ratio 6:1
Fuel system 1 Memini carb
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 499 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) -1.00 s
Standing quarter-mile
Standing kilometre
Maximum speed 100 km/h (62 mph)
Power-to-weight ratio 30.77 PS/g
22.63 kW/g
30.34 bhp/ton
0.01 bhp/lb
Weight-to-power ratio 44.19 kg/kW
73.82 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 rear wheel drive  
Torque split N/A
turns lock-to-lock
Turning circle
Front suspension LA.LS.
Rear suspension LA.LS.
Wheel size front
Wheel size rear
Tyres front 800 x 130
Tyres rear 800 x 130
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio
general ID51238
Production total 129
Model code
Model family
RAC rating 14.3
Insurance classification No information available
Tax band No information available
1924 Alfa Romeo RM Sport added before December 1995.
Last modified 2013-02-28.

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1924 Alfa Romeo RM Sport

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