Key facts

1948 Bristol 401 information summary

What body style?
fixed-head coupé with 4/5 seats
How long?
4826 mm
What size engine?
2 litre, 1971 cm3
How many cylinders?
6, Straight
How much power?
86 PS / 85 bhp / 63 kW @ 4500 rpm
How much torque?
145 Nm / 107 / 14.8 kgm @ 3500 rpm


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Bristol logo

Bristol 401 models

1948 Bristol 401 technical specifications


The Bristol 401 is a coupé with 2 doors and a front mounted engine which supplies the power through the rear wheels.
Its 6 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a displacement of 2 litres. This unit provides power and torque figures of 85 bhp (86 PS/63 kW) at 4500 rpm and 145 Nm (107 lbft/14.8 kgm) at 3500 rpm respectively.
This power is supplied to the wheels by means of a 4 speed manual gearbox.
1948 Bristol 401 data
1948 Bristol 401 data
Body type4/5 seater fixed-head coupé
Number of doors2
dimensions & weights
Wheelbase 2896 114
Track/tread (front) 1314 51.7
Track/tread (rear) 1372 54
Length 4826 190
Width 1702 67
Height 1524 60
Ground clearance
length:wheelbase ratio 1.67
Kerb weight
Weight distribution
fuel tank capacity 77.3 litres 17 UK Gal 20.4 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Bristol
Engine code 85C
Cylinders Straight 6
Capacity 2 litre
1971 cc
(120.278 cu in)
Bore × Stroke 66 × 96 mm
2.6 × 3.78 in
Bore/stroke ratio 0.69
overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output 86 PS (85 bhp) (63 kW)
at 4500 rpm
Specific output 43.1 bhp/litre
0.71 bhp/cu in
maximum torque 145 Nm (107 ft·lb) (14.8 kgm)
at 3500 rpm
Specific torque 73.57 Nm/litre
0.89 ft·lb/cu3
Engine construction
compression ratio 7.5:1
Fuel system 3 Solex 32 BI carburettors
bmep (brake mean effective pressure) 924.5 kPa (134.1 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 328.5 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
Weight-to-power ratio
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
Steering rack & pinion
turns lock-to-lock
Turning circle
Front suspension I.TL.
Rear suspension LA.TB.
Wheel size front
Wheel size rear
Tyres front 5.50 x 16
Tyres rear 5.50 x 16
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 3.90
general ID251702
Production total
Model code
Model family
RAC rating 16.2
Insurance classification No information available
Tax band No information available
1948 Bristol 401 added 2011-08-12.
Last modified 2013-02-28.

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1948 Bristol 401

World Car Specifications