1978 Buick Century Sport Coupé specifications

1978 Buick Century Sport Coupé data
 
bodywork
Body type4/5 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
Wheelbase 2746 mm 108.1 inches
Track/tread (front) 1486 mm 58.5 inches
Track/tread (rear) 1468 mm 57.8 inches
Length 4968 mm 195.6 inches
Width 1834 mm 72.2 inches
Height 1354 mm 53.3 inches
Ground clearance
length:wheelbase ratio 1.81
Kerb weight
Weight distribution
fuel tank capacity 68.5 litres 15.1 [18.1] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code LG3
Cylinders V 8 in 90° vee
Capacity 5 litre
5001 cc
(305.18 cu in)
Bore × Stroke 94.89 × 88.39 mm
3.74 × 3.48 in
Bore/stroke ratio 1.07
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
(net)
147 PS (145 bhp) (108 kW)
at 3800 rpm
maximum torque
(net)
333 Nm (246 ft·lb) (34 kgm)
at 2400 rpm
Specific output
(net)
21.6 kW/litre
29.4 ps/litre
29 bhp/litre
0.48 bhp/cu in
Specific torque
(net)
66.59 Nm/litre
0.8 ft·lb/cu3
Engine construction cast iron block & head
Lubrication wet sumped
compression ratio 8.5:1
Fuel system 1 Rochester carburettor
bmep (brake mean effective pressure) 836.8 kPa (121.4 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 625.13 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 fuel 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 14
Wheel size rear 6 x 14
Tyres front P205/75 R 14
Tyres rear P205/75 R 14
Brakes F/R VeDi/Dr
Front brake diameter 279 mm
Rear brake diameter
Braked area
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 2.29
general
Carfolio.com ID719466
Production total
Model code G87
Model family 4A
RAC rating 44.7
Insurance classification No information available
Tax band No information available
1978 Buick Century Sport Coupé added 2021-01-13.
Last modified 2021-01-24.

Buick Century - 4A models

5 door estate/​station wagon FR 3A 3791 cm3/231.3cuin 112 PS 110 bhp 82 kW
5 door estate/​station wagon FR 3A 4343 cm3/265.0cuin 121 PS 119 bhp 89 kW
5 door estate/​station wagon FR 3A 3791 cm3/231.3cuin 112 PS 110 bhp 82 kW
5 door estate/​station wagon FR 3A 4343 cm3/265.0cuin 121 PS 119 bhp 89 kW
2 door fixed-head coupé FR 3A 5738 cm3/350.2cuin 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3A 5738 cm3/350.2cuin 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3A 3791 cm3/231.3cuin 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 4343 cm3/265.0cuin 121 PS 119 bhp 89 kW
2 door fixed-head coupé FR 3A 3791 cm3/231.3cuin 172 PS 170 bhp 127 kW
2 door fixed-head coupé FR 3A 3791 cm3/231.3cuin 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 4343 cm3/265.0cuin 121 PS 119 bhp 89 kW
2 door fixed-head coupé FR 3M 3212 cm3/196.0cuin 106 PS 105 bhp 78 kW 1420 kg
2 door fixed-head coupé FR 3A 4942 cm3/301.6cuin 142 PS 140 bhp 104 kW 1466 kg
2 door fixed-head coupé FR 3A 3785 cm3/231.0cuin 117 PS 115 bhp 86 kW 1420 kg
2 door fixed-head coupé FR 3A 4942 cm3/301.6cuin 152 PS 150 bhp 112 kW 1473 kg
Buick Century Coupé -
2 door fixed-head coupé FR 3A 5055 cm3/308.5cuin 157 PS 155 bhp 116 kW 1473 kg
4 door sedan/​saloon FR 3A 3785 cm3/231.0cuin 117 PS 115 bhp 86 kW 1430 kg
4 door sedan/​saloon FR 3M 3212 cm3/196.0cuin 106 PS 105 bhp 78 kW 1430 kg
4 door sedan/​saloon FR 3A 5055 cm3/308.5cuin 157 PS 155 bhp 116 kW 1483 kg
4 door sedan/​saloon FR 3A 4942 cm3/301.6cuin 152 PS 150 bhp 112 kW 1483 kg
4 door sedan/​saloon FR 3A 4942 cm3/301.6cuin 142 PS 140 bhp 104 kW 1477 kg
5 door estate/​station wagon FR 3A 5737 cm3/350.1cuin 167 PS 165 bhp 123 kW 1563 kg
5 door estate/​station wagon FR 3A 4942 cm3/301.6cuin 142 PS 140 bhp 104 kW 1538 kg
5 door estate/​station wagon FR 3A 5055 cm3/308.5cuin 157 PS 155 bhp 116 kW 1544 kg
5 door estate/​station wagon FR 3A 4942 cm3/301.6cuin 152 PS 150 bhp 112 kW 1544 kg
5 door estate/​station wagon FR 3A 3785 cm3/231.0cuin 117 PS 115 bhp 86 kW 1491 kg
Buick Century Turbo Coupé -
2 door fixed-head coupé FR 3A 3791 cm3/231.3cuin 177 PS 175 bhp 130 kW 1456 kg
4 door sedan/​saloon FR 4M 3791 cm3/231.3cuin 106 PS 105 bhp 78 kW
4 door sedan/​saloon FR 3A 5001 cm3/305.2cuin 162 PS 160 bhp 119 kW
4 door sedan/​saloon FR 3M 3216 cm3/196.3cuin 91 PS 90 bhp 67 kW
Cars similar to the 1978 Buick Century Sport Coupé
Cadillac Eldorado -
2 door fixed-head coupé FF 3A 6036 cm3/368.3cuin 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 4M 5001 cm3/305.2cuin 147 PS 145 bhp 108 kW 1602 kg
2 door fixed-head coupé FR 3M 5001 cm3/305.2cuin 142 PS 140 bhp 104 kW
2 door fixed-head coupé FR 3A 5001 cm3/305.2cuin 147 PS 145 bhp 108 kW 1612 kg
2 door fixed-head coupé FR 3A 5001 cm3/305.2cuin 142 PS 140 bhp 104 kW
2 door fixed-head coupé FR 3M 5001 cm3/305.2cuin 142 PS 140 bhp 104 kW
2 door fixed-head coupé FR 3A 5001 cm3/305.2cuin 142 PS 140 bhp 104 kW
2 door fixed-head coupé FR 3A 5002 cm3/305.2cuin 147 PS 145 bhp 108 kW 1430 kg
2 door fixed-head coupé FR 3M 5013 cm3/305.9cuin 147 PS 145 bhp 108 kW 1540 kg
2 door fixed-head coupé FR 3A 5013 cm3/305.9cuin 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3M 5013 cm3/305.9cuin 147 PS 145 bhp 108 kW 1475 kg
2 door fixed-head coupé FR 3A 5013 cm3/305.9cuin 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3A 5896 cm3/359.8cuin 152 PS 150 bhp 112 kW 1555 kg
2 door fixed-head coupé FR 3A 5896 cm3/359.8cuin 152 PS 150 bhp 112 kW 1589 kg
2 door fixed-head coupé FR 3A 5896 cm3/359.8cuin 152 PS 150 bhp 112 kW 1564 kg
2 door fixed-head coupé FR 3A 4942 cm3/301.6cuin 141 PS 139 bhp 104 kW 1361 kg
2 door sedan/​saloon FR 3A 4942 cm3/301.6cuin 141 PS 139 bhp 104 kW
2 door sedan/​saloon FR 3OD 4942 cm3/301.6cuin 141 PS 139 bhp 104 kW 1526 kg
2 door sedan/​saloon FR 3A 4942 cm3/301.6cuin 141 PS 139 bhp 104 kW
2 door sedan/​saloon FR 3OD 4942 cm3/301.6cuin 141 PS 139 bhp 104 kW 1516 kg
2 door sedan/​saloon FR 3A 4942 cm3/301.6cuin 141 PS 139 bhp 104 kW
2 door sedan/​saloon FR 3OD 4942 cm3/301.6cuin 141 PS 139 bhp 104 kW 1501 kg
2 door sedan/​saloon FR 3A 4942 cm3/301.6cuin 141 PS 139 bhp 104 kW 1501 kg
2 door sedan/​saloon FR 4M 4942 cm3/301.6cuin 140 PS 138 bhp 103 kW 1293 kg
2 door sedan/​saloon FR 3A 4942 cm3/301.6cuin 143 PS 141 bhp 105 kW 1293 kg
2 door sedan/​saloon FR 3A 4942 cm3/301.6cuin 140 PS 138 bhp 103 kW
2 door fixed-head coupé FR 3M 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3A 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3A 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3M 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3OD 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3A 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3M 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3OD 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3A 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3OD 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3M 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3A 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3OD 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3M 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3A 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3OD 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3M 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 3A 5210 cm3/317.9cuin 152 PS 150 bhp 112 kW
2 door fixed-head coupé FR 4M 4942 cm3/301.6cuin 152 PS 150 bhp 112 kW 1523 kg
2 door fixed-head coupé FR 4M 5001 cm3/305.2cuin 147 PS 145 bhp 108 kW 1583 kg
2 door fixed-head coupé FR 3A 5001 cm3/305.2cuin 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3A 5013 cm3/305.9cuin 155 PS 153 bhp 114 kW 1446 kg
2 door fixed-head coupé FR 3A 4942 cm3/301.6cuin 150 PS 148 bhp 110 kW 1527 kg
2 door fixed-head coupé FR 4M 4942 cm3/301.6cuin 150 PS 148 bhp 110 kW