Buick Riviera Coupé, 1981 MY

This vehicle has a 2 door coupé body style with a front mounted engine driving through the front wheels. Its 5 litre engine is a naturally aspirated, overhead valve, 8 cylinder unit that develops 148 bhp (150 PS/110 kW) of power at 3600 rpm, and maximum torque of 324 N·m (239 lb·ft/33 kgm) at 1600 rpm. The engine supplies its power through to the wheels by means of a 3 speed automatic gearbox. The claimed weight at the kerb is 1666 kg. The Buick Riviera Coupé is said to be able to achieve a top speed of 172 km/h, or 107 mph.

Pictures

Key facts

Buick Riviera Coupé, 1981 MY information summary

What body style?
2 door fixed-head coupé with 4/5 seats
How long?
5222 mm
How heavy?
1666 kg
What size engine?
5 litre, 5033 cm3
How many cylinders?
8, V
How much power?
150 PS / 148 bhp / 110 kW @ 3600 rpm
How much torque?
324 Nm / 239 ft.lb / 33 kgm @ 1600 rpm
How fast?
172 km/h, 107 mph

Buick Riviera models

2 door fixed-head coupé FF 4A 4130 cm3 127 PS 125 bhp 93 kW 1666 kg
2 door fixed-head coupé FF 4A 5033 cm3 142 PS 140 bhp 104 kW 1666 kg
2 door fixed-head coupé FF 4A 5736 cm3 106 PS 105 bhp 78 kW 1666 kg
2 door fixed-head coupé FF 4A 3791 cm3 183 PS 180 bhp 134 kW 1681 kg
2 door fixed-head coupé FF 3A 5736 cm3 105 PS 104 bhp 78 kW 1681 kg
2 door fixed-head coupé FF 3A 4130 cm3 125 PS 123 bhp 92 kW 1666 kg
2 door fixed-head coupé FF 3A 3791 cm3 183 PS 180 bhp 134 kW 1681 kg

Similar models

2 door fixed-head coupé FR 4A 5001 cm3 157 PS 155 bhp 116 kW 1619 kg
2 door fixed-head coupé FR 3A 5210 cm3 137 PS 135 bhp 101 kW 1664 kg
2 door fixed-head coupé FR 3A 5210 cm3 157 PS 155 bhp 116 kW 1664 kg
2 door fixed-head coupé FR 3A 5898 cm3 152 PS 150 bhp 112 kW 1682 kg
2 door fixed-head coupé FR 3A 5210 cm3 142 PS 140 bhp 104 kW 1831 kg
2 door fixed-head coupé FR 3A 5210 cm3 137 PS 135 bhp 101 kW
2 door fixed-head coupé FR 3A 5210 cm3 157 PS 155 bhp 116 kW
2 door fixed-head coupé FR 3A 5896 cm3 152 PS 150 bhp 112 kW 1555 kg
2 door fixed-head coupé FR 3A 5210 cm3 157 PS 155 bhp 116 kW 1525 kg
2 door fixed-head coupé FR 3A 5210 cm3 137 PS 135 bhp 101 kW 1525 kg
2 door fixed-head coupé FR 3A 5896 cm3 152 PS 150 bhp 112 kW 1589 kg
2 door fixed-head coupé FR 3A 5210 cm3 137 PS 135 bhp 101 kW 1559 kg
2 door fixed-head coupé FR 3A 5210 cm3 157 PS 155 bhp 116 kW 1559 kg
2 door fixed-head coupé FR 3A 5896 cm3 152 PS 150 bhp 112 kW 1564 kg
2 door fixed-head coupé FR 3A 5210 cm3 157 PS 155 bhp 116 kW 1534 kg
2 door fixed-head coupé FR 3A 5210 cm3 137 PS 135 bhp 101 kW 1534 kg
2 door fixed-head coupé FR 3A 5210 cm3 137 PS 135 bhp 101 kW 1663 kg
2 door fixed-head coupé FR 3A 5900 cm3 157 PS 155 bhp 116 kW 1682 kg
2 door fixed-head coupé FR 3A 5900 cm3 152 PS 150 bhp 112 kW 1682 kg
2 door fixed-head coupé FR 3A 5732 cm3 153 PS 151 bhp 113 kW 1813 kg
2 door fixed-head coupé FR 3A 5732 cm3 151 PS 149 bhp 111 kW 1813 kg
2 door fixed-head coupé FF 4A 5026 cm3 142 PS 140 bhp 104 kW 1690 kg
2 door fixed-head coupé FR 4M 4942 cm3 152 PS 150 bhp 112 kW 1523 kg
2 door fixed-head coupé FR 3A 4942 cm3 137 PS 135 bhp 101 kW 1523 kg
2 door fixed-head coupé FR 4M 5013 cm3 147 PS 145 bhp 108 kW 1542 kg
2 door fixed-head coupé FR 3A 4942 cm3 152 PS 150 bhp 112 kW 1555 kg
2 door fixed-head coupé FR 3A 5013 cm3 155 PS 153 bhp 114 kW 1446 kg
2 door fixed-head coupé FR 4M 4942 cm3 150 PS 148 bhp 110 kW
2 door fixed-head coupé FR 3A 4942 cm3 150 PS 148 bhp 110 kW 1527 kg
1981 Buick Riviera Coupé data
bodywork
Body type4/5 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2896 mm 114 inches
Track/tread (front) 1506 mm 59.3 inches
Track/tread (rear) 1524 mm 60 inches
Length 5222 mm 205.6 inches
Width 2032 mm 80 inches
Height 1377 mm 54.2 inches
Ground clearance 130 mm 5.1 inches
length:wheelbase ratio 1.8
Kerb weight 1666 kg 3673 lb
Weight distribution
fuel tank capacity 88 litres 19.4 UK Gal 23.2 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code
Cylinders V 8 in 90° vee
Capacity 5 litre
5033 cc
(307.133 cu in)
Bore × Stroke 96.5 × 86 mm
3.8 × 3.39 in
Bore/stroke ratio 1.12
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
(SAEnet)
150 PS (148 bhp) (110 kW)
at 3600 rpm
Specific output
(SAEnet)
29.4 bhp/litre
0.48 bhp/cu in
maximum torque
(SAEnet)
324 Nm (239 ft·lb) (33 kgm)
at 1600 rpm
Specific torque
(SAEnet)
64.38 Nm/litre
0.78 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 8:1
Fuel system 1 Rochester M4MC carburettor
bmep (brake mean effective pressure) 809 kPa (117.3 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 629.13 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 172 km/h (107 mph)
Power-to-weight ratio 90.07 PS/tonne (1000 kg)
66.24 kW/tonne (1000 kg)
88.84 bhp/tonne (1000 kg)
0.04 bhp/lb
Weight-to-power ratio 15.1 kg/kW
25.22 lb/bhp
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 front wheel drive  
Torque split N/A
Steering
turns lock-to-lock 3.000
Turning circle
Front suspension
Rear suspension
Wheel size front 6 x 15
Wheel size rear 6 x 15
Tyres front P205/70 R 15
Tyres rear P205/70 R 15
Brakes F/R VeDi/Dr-S
Front brake diameter 267 mm
Rear brake diameter
Braked area
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 2.41
general
Carfolio.com ID157190
Production total
Model code
Model family
RAC rating 46.2
Insurance classification No information available
Tax band No information available
1981 Buick Riviera Coupé added 2007-05-11.
Last modified 2013-02-28.