Buick Century Hardtop Coupé, 1975 MY 4A D37

The Century Hardtop Coupé is a road car from Buick, with rear wheel drive, a front positioned engine and a 2 door coupé body style. The Buick Century Hardtop Coupé belongs to the 4A model family from Buick. Powering the Buick Century Hardtop Coupé is an overhead valve, 3.8 litre naturally aspirated 6 cylinder powerplant, with 2 valves per cylinder that develops power and torque figures of 110 bhp (112 PS/82 kW) at 4000 rpm and 237 N·m (175 lb·ft/24.2 kgm) at 2000 rpm respectively. Power is transmitted to the wheels via a 3 speed manual gearbox.

Pictures

Key facts

Buick Century Hardtop Coupé, 1975 MY 4A D37 information summary

What body style?
2 door fixed-head coupé with 4/5 seats
How long?
5321 mm
What size engine?
3.8 litre, 3791 cm3
How many cylinders?
6, V
How much power?
112 PS / 110 bhp / 82 kW @ 4000 rpm
How much torque?
237 Nm / 175 ft.lb / 24.2 kgm @ 2000 rpm

Buick 4A models

2 door fixed-head coupé FR 3M 3791 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 5724 cm3 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3A 5724 cm3 162 PS 160 bhp 119 kW
2 door fixed-head coupé FR 3A 5724 cm3 167 PS 165 bhp 123 kW
2 door fixed-head coupé FR 3A 3791 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 5724 cm3 167 PS 165 bhp 123 kW
2 door fixed-head coupé FR 3A 5724 cm3 162 PS 160 bhp 119 kW
2 door fixed-head coupé FR 3A 5724 cm3 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3A 3791 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3M 3791 cm3 112 PS 110 bhp 82 kW 1700 kg
2 door fixed-head coupé FR 3A 5724 cm3 162 PS 160 bhp 119 kW 1835 kg
Buick Regal Hardtop Coupé -
2 door fixed-head coupé FR 3M 3791 cm3 112 PS 110 bhp 82 kW 1755 kg
2 door fixed-head coupé FR 3A 5724 cm3 167 PS 165 bhp 123 kW 1835 kg
2 door fixed-head coupé FR 3A 5724 cm3 147 PS 145 bhp 108 kW 1835 kg
Buick Regal Hardtop Coupé -
2 door fixed-head coupé FR 3A 3791 cm3 112 PS 110 bhp 82 kW

Similar models

2 door fixed-head coupé FR 1991 cm3 111 PS 109 bhp 81 kW
2 door fixed-head coupé FR 3M 4094 cm3 106 PS 105 bhp 78 kW 1602 kg
2 door fixed-head coupé FR 3M 4329 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 4094 cm3 106 PS 105 bhp 78 kW 1612 kg
2 door fixed-head coupé FR 3A 4329 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 4093 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3M 4085 cm3 112 PS 110 bhp 82 kW 1611 kg
2 door fixed-head coupé FR 3A 4085 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 4093 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3M 4085 cm3 112 PS 110 bhp 82 kW 1489 kg
2 door fixed-head coupé FR 3A 4085 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3M 4085 cm3 112 PS 110 bhp 82 kW 1424 kg
2 door fixed-head coupé FR 3A 4085 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3M 3683 cm3 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3A 3683 cm3 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3M 3683 cm3 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3A 3683 cm3 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3M 3683 cm3 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3A 3683 cm3 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3A 3791 cm3 106 PS 105 bhp 78 kW 1575 kg
2 door fixed-head coupé FR 3A 3791 cm3 106 PS 105 bhp 78 kW 1575 kg
Pontiac Le Mans Hardtop -
2 door fixed-head coupé FR 3M 3791 cm3 106 PS 105 bhp 78 kW 1616 kg
2 door fixed-head coupé FR 3M 3791 cm3 106 PS 105 bhp 78 kW 1616 kg
2 door fixed-head coupé FR 3A 3791 cm3 106 PS 105 bhp 78 kW
1975 Buick Century Hardtop Coupé data
bodywork
Body type4/5 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2845 mm 112 inches
Track/tread (front) 1562 mm 61.5 inches
Track/tread (rear) 1542 mm 60.7 inches
Length 5321 mm 209.5 inches
Width 2007 mm 79 inches
Height 1359 mm 53.5 inches
Ground clearance
length:wheelbase ratio 1.87
Kerb weight
Weight distribution
fuel tank capacity 83 litres 18.3 UK Gal 21.9 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code
Cylinders V 6 in 90° vee
Capacity 3.8 litre
3791 cc
(231.341 cu in)
Bore × Stroke 96.52 × 86.36 mm
3.8 × 3.4 in
Bore/stroke ratio 1.12
Valve gear overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output
(net)
112 PS (110 bhp) (82 kW)
at 4000 rpm
Specific output
(net)
29 bhp/litre
0.48 bhp/cu in
maximum torque
(net)
237 Nm (175 ft·lb) (24.2 kgm)
at 2000 rpm
Specific torque
(net)
62.52 Nm/litre
0.76 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 8:1
Fuel system 1 Rochestrer carburettor
bmep (brake mean effective pressure) 785.6 kPa (113.9 psi)
Maximum RPM
crankshaft bearings 4
Engine coolant Water
Unitary capacity 631.83 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter Y
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 6 x 15
Wheel size rear 6 x 15
Tyres front GR78-15
Tyres rear GR78-15
Brakes F/R VeDi/Dr
Front brake diameter 279 mm
Rear brake diameter
Braked area
Gearbox 3 speed manual
Top gear ratio 1
Final drive ratio 2.73
general
Carfolio.com ID339856
Production total
Model code D37
Model family 4A
RAC rating 34.7
Insurance classification No information available
Tax band No information available
1975 Buick Century Hardtop Coupé added 2013-06-22.
Last modified 2013-06-22.