Buick Master Six Coupé, 1925 MY Master Six 25-6-48

This vehicle has a 2 door coupé type body with a front mounted engine supplying power to the rear wheels. The Master Six Coupé forms part of Buick's Master Six model series. The power is produced by a naturally aspirated engine of 4.2 litre capacity. This unit features overhead valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It has an output of 68 bhp (69 PS/51 kW) of power at 2800 rpm. A 3 speed manual 'box supplies the power to the driven wheels.

Pictures

Key facts

Buick Master Six Coupé, 1925 MY Master Six 25-6-48 information summary

What body style?
2 door fixed-head coupé with 4 seats
What size engine?
4.2 litre, 4179 cm3
How many cylinders?
6, Straight
How much power?
69 PS / 68 bhp / 51 kW @ 2800 rpm
How much torque?
Unknown

Buick Master Six models

4 door sedan/​saloon FR 3M 4493 cm3 76 PS 75 bhp 56 kW 1876 kg
2 door fixed-head coupé FR 3M 4493 cm3 76 PS 75 bhp 56 kW 1808 kg
2 door fixed-head coupé FR 3M 4493 cm3 76 PS 75 bhp 56 kW 1842 kg
4 door sedan/​saloon FR 3M 4493 cm3 76 PS 75 bhp 56 kW
2 door roadster FR 3M 4493 cm3 76 PS 75 bhp 56 kW 1701 kg
4 door tourer FR 3M 4493 cm3 76 PS 75 bhp 56 kW 1742 kg
4 door sedan/​saloon FR 3M 4179 cm3 69 PS 68 bhp 51 kW
2 door fixed-head coupé FR 3M 4179 cm3 69 PS 68 bhp 51 kW
4 door sedan/​saloon FR 3M 4179 cm3 69 PS 68 bhp 51 kW
4 door sedan/​saloon FR 3M 4179 cm3 69 PS 68 bhp 51 kW
Buick Master Six Sport Roadster -
2 door roadster FR 3M 4179 cm3 69 PS 68 bhp 51 kW
4 door tourer FR 3M 4179 cm3 69 PS 68 bhp 51 kW
4 door tourer FR 3M 4179 cm3 69 PS 68 bhp 51 kW
4 door landaulette FR 3M 4179 cm3 69 PS 68 bhp 51 kW

Similar models

2 door fixed-head coupé FR 3M 3956 cm3
2 door fixed-head coupé FR 4M 3180 cm3 63 PS 62 bhp 46 kW 1626 kg
1925 Buick Master Six Coupé data
bodywork
Body type4 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 3251 mm 128 inches
Track/tread (front)
Track/tread (rear)
Length
Width
Height
Ground clearance
length:wheelbase ratio
Kerb weight
Weight distribution
fuel tank capacity 75.8 litres 16.7 UK Gal 20 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Buick
Engine code
Cylinders Straight 6
Capacity 4.2 litre
4179 cc
(255.018 cu in)
Bore × Stroke 85.73 × 120.65 mm
3.38 × 4.75 in
Bore/stroke ratio 0.71
Valve gear overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output 69 PS (68 bhp) (51 kW)
at 2800 rpm
Specific output 16.3 bhp/litre
0.27 bhp/cu in
maximum torque
Specific torque
Engine construction
sump wet sumped
compression ratio
Fuel system 1 Marvel T4S carburettor
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings 4
Engine coolant Water
Unitary capacity 696.5 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
Rear suspension
Wheel size front
Wheel size rear
Tyres front 31 x 4.95
Tyres rear x 4.95.95
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox 3 speed manual
Top gear ratio 1
Final drive ratio 4.72
general
Carfolio.com ID326612
Production total
Model code 25-6-48
Model family Master Six
RAC rating 27.3
Insurance classification No information available
Tax band No information available
1925 Buick Master Six Coupé added 2013-04-01.
Last modified 2013-06-23.