Key facts

1921 Sunbeam 24/60 information summary

What body style?
tourer with 4/5 seats
How long?
4813 mm
How heavy?
1435 kg
What size engine?
4.5 litre, 4524 cm3
How many cylinders?
6, Straight
How much power?
64 PS / 63 bhp / 47 kW @ 2700 rpm
How much torque?


Manufacturer data not found

1921 Sunbeam 24/60 technical specifications


This car has a 4 door tourer body style with a front located engine supplying power to the rear wheels.
The power is produced by a naturally aspirated engine of 4.5 litre capacity. This unit features overhead valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It produces 63 bhp (64 PS/47 kW) of power at 2700 rpm.
The engine supplies its power through to the wheels via a 4 speed manual gearbox.
It weighs a claimed 1435 kg at the kerb.
1921 Sunbeam 24/60 data
1921 Sunbeam 24/60 data
Body type4/5 seater tourer
Number of doors4
dimensions & weights
Wheelbase 3467 136.5
Track/tread (front) 1448 57
Track/tread (rear) 1448 57
Length 4813 189.5
Width 1740 68.5
Ground clearance
length:wheelbase ratio 1.39
Kerb weight 1435 kg 3164 lb
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Sunbeam
Engine code
Cylinders Straight 6
Capacity 4.5 litre
4524 cc
(276.071 cu in)
Bore × Stroke 80 × 150 mm
3.15 × 5.91 in
Bore/stroke ratio 0.53
overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output 64 PS (63 bhp) (47 kW)
at 2700 rpm
Specific output 13.9 bhp/litre
0.23 bhp/cu in
maximum torque
Specific torque
Engine construction
compression ratio
Fuel system 1 Claudel-Hobson carb
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 754 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
Power-to-weight ratio 44.51 PS/g
32.74 kW/g
43.9 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 30.55 kg/kW
51.02 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.SE.
Rear suspension LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 4
Final drive ratio
general ID73766
Production total
Model code
Model family
RAC rating 23.8
Insurance classification No information available
Tax band No information available
1921 Sunbeam 24/60 added 1997-09-24.
Last modified 2013-02-28.

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1921 Sunbeam 24/60

World Car Specifications