Buick Centurion Sedan, 1973 MY 4BP 39

The Buick Centurion Sedan is a rear wheel drive car, with the engine positioned in the front, and a 4 door saloon (sedan) bodyshell. The Centurion Sedan is part of Buick's 4BP series of cars. It is powered by a naturally aspirated engine of 7.4 litre capacity. This unit features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 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. A 3 speed automatic 'box transfers the power to the driven wheels.

Pictures

Key facts

Buick Centurion Sedan, 1973 MY 4BP 39 information summary

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

Similar models

4 door sedan/​saloon FR 3A 6571 cm3 259 PS 255 bhp 190 kW 1707 kg
4 door sedan/​saloon FR 3A 6571 cm3 259 PS 255 bhp 190 kW 1630 kg
2 door sedan/​saloon FR 3A 6556 cm3 268 PS 264 bhp 197 kW 1712 kg
sedan/​saloon FR 5733 cm3 236 PS 233 bhp 174 kW 1684 kg
4 door sedan/​saloon FR 3A 7206 cm3 248 PS 245 bhp 183 kW 2024 kg
4 door sedan/​saloon FR 3A 6286 cm3 253 PS 250 bhp 186 kW
2 door sedan/​saloon FR 3A 7206 cm3 248 PS 245 bhp 183 kW 1999 kg
Chrysler Newport Custom Hardtop -
4 door sedan/​saloon FR 3A 7206 cm3 248 PS 245 bhp 183 kW 2029 kg
4 door sedan/​saloon FR 3A 6286 cm3 253 PS 250 bhp 186 kW
2 door sedan/​saloon FR 3A 6286 cm3 253 PS 250 bhp 186 kW
4 door sedan/​saloon FR 3A 7206 cm3 248 PS 245 bhp 183 kW 2025 kg
2 door sedan/​saloon FR 3A 7206 cm3 248 PS 245 bhp 183 kW 1996 kg
4 door sedan/​saloon FR 3A 7206 cm3 248 PS 245 bhp 183 kW 2039 kg
4 door sedan/​saloon FR 3A 5210 cm3 233 PS 230 bhp 172 kW 1513 kg
Imperial LeBaron Hardtop -
4 door sedan/​saloon FR 3A 7206 cm3 233 PS 230 bhp 172 kW 2257 kg
2 door sedan/​saloon FR 3A 7206 cm3 233 PS 230 bhp 172 kW 2189 kg
sedan/​saloon FR 3A 7467 cm3 264 PS 260 bhp 194 kW 1730 kg
2 door sedan/​saloon FR 3A 7206 cm3 233 PS 230 bhp 172 kW
4 door sedan/​saloon FR 3A 7206 cm3 233 PS 230 bhp 172 kW
4 door sedan/​saloon FR 3A 7206 cm3 233 PS 230 bhp 172 kW
4 door sedan/​saloon FR 3A 7206 cm3 233 PS 230 bhp 172 kW
4 door sedan/​saloon FR 3A 7206 cm3 233 PS 230 bhp 172 kW
4 door sedan/​saloon FR 3A 7206 cm3 233 PS 230 bhp 172 kW
2 door sedan/​saloon FR 3A 7206 cm3 233 PS 230 bhp 172 kW
sedan/​saloon FR 3A 7456 cm3 233 PS 230 bhp 172 kW 1652 kg
1973 Buick Centurion Sedan data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
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 1367 mm 53.8 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 ID337986
Production total
Model code 39
Model family 4BP
RAC rating 59.2
Insurance classification No information available
Tax band No information available
1973 Buick Centurion Sedan added 2013-06-05.
Last modified 2013-06-05.