Buick 40 Special, 1939 MY

The 40 Special is a road car from Buick, with rear wheel drive, a front mounted engine and a sedan/saloon body style. Its 4 litre engine is a naturally aspirated, overhead valve, 8 cylinder unit that has an output of 107 bhp (108 PS/80 kW) of power at 3400 rpm. A 3 speed Wilson Preselect transmission transfers the power to the driven wheels.

Pictures

Key facts

Buick 40 Special, 1939 MY information summary

What body style?
sedan/saloon with 4/5 seats
How long?
5080 mm
What size engine?
4 litre, 4014 cm3
How many cylinders?
8, Straight
How much power?
108 PS / 107 bhp / 80 kW @ 3400 rpm
How much torque?
Unknown

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1939 Buick 40 Special data
bodywork
Body type4/5 seater sedan/saloon
Number of doors
Designer
dimensions & weights
mminches
Wheelbase 3048 mm 120 inches
Track/tread (front) 1486 mm 58.5 inches
Track/tread (rear) 1486 mm 58.5 inches
Length 5080 mm 200 inches
Width 1829 mm 72 inches
Height
Ground clearance 192 mm 7.6 inches
length:wheelbase ratio 1.67
Kerb weight
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Buick
Engine code
Cylinders Straight 8
Capacity 4 litre
4014 cc
(244.949 cu in)
Bore × Stroke 78.58 × 104.7 mm
3.09 × 4.12 in
Bore/stroke ratio 0.75
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output 108 PS (107 bhp) (80 kW)
at 3400 rpm
Specific output 26.7 bhp/litre
0.44 bhp/cu in
maximum torque
Specific torque
Engine construction
sump
compression ratio
Fuel system
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 501.75 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
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/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering
turns lock-to-lock
Turning circle
Front suspension I.
Rear suspension LA.CS.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox 3 speed
Top gear ratio 1
Final drive ratio 4.40
general
Carfolio.com ID54527
Production total
Model code
Model family
RAC rating 30.6
Insurance classification No information available
Tax band No information available
1939 Buick 40 Special added before December 1995.
Last modified 2013-02-28.