Buick Centurion Hardtop Coupé, 1973 MY 4BP 57

The Buick Centurion Hardtop Coupé is a coupé with 2 doors and a front mounted engine which supplies the power to the rear wheels. It is part of Buick's 4BP model series. The Buick Centurion Hardtop Coupé's engine is a naturally aspirated petrol, 7.4 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. It produces 250 bhp (253 PS/186 kW) of power at 4000 rpm, and maximum torque of 508 N·m (375 lb·ft/51.8 kgm) at 2800 rpm. The engine delivers its power through to the wheels via a 3 speed automatic gearbox.

Pictures

Key facts

Buick Centurion Hardtop Coupé, 1973 MY 4BP 57 information summary

What body style?
2 door fixed-head coupé with 4/5 seats
How long?
5695 mm
What size engine?
7.4 litre, 7425 cm3
How many cylinders?
8, V
How much power?
253 PS / 250 bhp / 186 kW @ 4000 rpm
How much torque?
508 Nm / 375 ft.lb / 51.8 kgm @ 2800 rpm

Buick 4BP models

2 door convertible/​cabriolet FR 3A 5724 cm3 177 PS 175 bhp 130 kW
2 door convertible/​cabriolet FR 3A 7425 cm3 253 PS 250 bhp 186 kW
2 door convertible/​cabriolet FR 3A 7425 cm3 228 PS 225 bhp 168 kW
2 door fixed-head coupé FR 3A 5724 cm3 177 PS 175 bhp 130 kW
2 door fixed-head coupé FR 3A 7425 cm3 228 PS 225 bhp 168 kW
4 door sedan/​saloon FR 3A 7425 cm3 253 PS 250 bhp 186 kW
4 door sedan/​saloon FR 3A 5724 cm3 177 PS 175 bhp 130 kW
4 door sedan/​saloon FR 3A 7425 cm3 228 PS 225 bhp 168 kW

Similar models

2 door fixed-head coupé FF 3A 8189 cm3 238 PS 235 bhp 175 kW 2190 kg
2 door fixed-head coupé FR 3A 7446 cm3 238 PS 235 bhp 175 kW
2 door fixed-head coupé FR 3A 7446 cm3 248 PS 245 bhp 183 kW
2 door fixed-head coupé FR 4A 7439 cm3 248 PS 245 bhp 183 kW 1788 kg
2 door fixed-head coupé FR 4M 6555 cm3 259 PS 255 bhp 190 kW 1697 kg
2 door fixed-head coupé FR 3A 7456 cm3 253 PS 250 bhp 186 kW 2052 kg
2 door fixed-head coupé FF 3A 7447 cm3 269 PS 265 bhp 198 kW 2114 kg
2 door fixed-head coupé FF 3A 7447 cm3 269 PS 265 bhp 198 kW 2078 kg
2 door fixed-head coupé FR 4M 6554 cm3 253 PS 250 bhp 186 kW
2 door fixed-head coupé FR 3A 6554 cm3 253 PS 250 bhp 186 kW
2 door fixed-head coupé FR 4M 6554 cm3 253 PS 250 bhp 186 kW
2 door fixed-head coupé FR 4M 6554 cm3 253 PS 250 bhp 186 kW
2 door fixed-head coupé FR 3A 6554 cm3 253 PS 250 bhp 186 kW
2 door fixed-head coupé FR 4M 6554 cm3 253 PS 250 bhp 186 kW
2 door fixed-head coupé FR 3A 6554 cm3 253 PS 250 bhp 186 kW
Pontiac Le Mans Sport Coupé GTO -
2 door fixed-head coupé FR 4M 6548 cm3 233 PS 230 bhp 172 kW
2 door fixed-head coupé FR 3A 7462 cm3 253 PS 250 bhp 186 kW 1724 kg
fixed-head coupé FR 3A 7456 cm3 233 PS 230 bhp 172 kW 1625 kg
2 door fixed-head coupé FR 3M 5821 cm3 253 PS 250 bhp 186 kW
2 door fixed-head coupé FR 4M 5821 cm3 253 PS 250 bhp 186 kW
2 door fixed-head coupé FR 3A 6564 cm3 269 PS 265 bhp 198 kW
2 door fixed-head coupé FR 2A 5821 cm3 253 PS 250 bhp 186 kW
2 door fixed-head coupé FR 3A 5821 cm3 253 PS 250 bhp 186 kW
1973 Buick Centurion Hardtop Coupé data
bodywork
Body type4/5 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 3150 mm 124 inches
Track/tread (front)
Track/tread (rear)
Length 5695 mm 224.2 inches
Width 2022 mm 79.6 inches
Height 1361 mm 53.6 inches
Ground clearance
length:wheelbase ratio 1.81
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 V 8 in 90° vee
Capacity 7.4 litre
7425 cc
(453.101 cu in)
Bore × Stroke 109.22 × 99.06 mm
4.3 × 3.9 in
Bore/stroke ratio 1.1
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
(net)
253 PS (250 bhp) (186 kW)
at 4000 rpm
Specific output
(net)
33.7 bhp/litre
0.55 bhp/cu in
maximum torque
(net)
508 Nm (375 ft·lb) (51.8 kgm)
at 2800 rpm
Specific torque
(net)
68.42 Nm/litre
0.83 ft·lb/cu3
Engine construction
sump
compression ratio 8.5:1
Fuel system 1 carburettor
bmep (brake mean effective pressure) 859.8 kPa (124.7 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 928.13 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter
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 L78-15
Tyres rear L78-15
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 2.73
general
Carfolio.com ID337953
Production total
Model code 57
Model family 4BP
RAC rating 59.2
Insurance classification No information available
Tax band No information available
1973 Buick Centurion Hardtop Coupé added 2013-06-05.
Last modified 2013-06-05.