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 4.00
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.

View in any of these languages:


Using this content requires that you credit as the source.
Please use the following link and anchor text:
1921 Sunbeam 24/60

World Car Specifications