Buick Riviera Coupé, 1981 MY

Buick Riviera Coupé is an automobile that has a 2 door coupé type body with a front located engine powering the front wheels. It's powered courtesy of a naturally aspirated engine of 4.1 litre capacity. This powerplant features overhead valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It produces 123 bhp (125 PS/92 kW) of power at 3800 rpm, and maximum torque of 284 N·m (209 lb·ft/29 kgm) at 2000 rpm. The power is transmitted to the wheels through a 3 speed automatic transmission. The Buick Riviera Coupé weighs a claimed 1666 kg at the kerb. It is said to be able to manage a maxiumum speed of 161 km/h which is 100 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?
4.1 litre, 4130 cm3
How many cylinders?
6, V
How much power?
125 PS / 123 bhp / 92 kW @ 3800 rpm
How much torque?
284 Nm / 209 ft.lb / 29 kgm @ 2000 rpm
How fast?
161 km/h, 100 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 5033 cm3 150 PS 148 bhp 110 kW 1666 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 3791 cm3 183 PS 180 bhp 134 kW 1681 kg

Similar models

2 door fixed-head coupé FR 3AOD 4087 cm3 127 PS 125 bhp 93 kW 1780 kg
2 door fixed-head coupé FR 3AOD 4128 cm3 127 PS 125 bhp 93 kW 1794 kg
2 door fixed-head coupé FF 3AOD 4087 cm3 127 PS 125 bhp 93 kW 1695 kg
2 door fixed-head coupé FF 3AOD 4128 cm3 127 PS 125 bhp 93 kW 1740 kg
Cadillac Fleetwood Brougham Coupé -
2 door fixed-head coupé FR 3AOD 4087 cm3 127 PS 125 bhp 93 kW 1800 kg
2 door fixed-head coupé FR 3AOD 4128 cm3 127 PS 125 bhp 93 kW 1814 kg
2 door fixed-head coupé FF 3A 5733 cm3 127 PS 125 bhp 93 kW 1812 kg
2 door fixed-head coupé FR 3A 4390 cm3 117 PS 115 bhp 86 kW
2 door fixed-head coupé FR 3A 4942 cm3 131 PS 129 bhp 96 kW 1749 kg
2 door fixed-head coupé FR 4A 3791 cm3 120 PS 118 bhp 88 kW 1448 kg
2 door fixed-head coupé FR 4A 4186 cm3 122 PS 120 bhp 89 kW 1577 kg
2 door fixed-head coupé FR 4A 2998 cm3 125 PS 123 bhp 92 kW 1625 kg
2 door fixed-head coupé FR 4A 2998 cm3 125 PS 123 bhp 92 kW 1625 kg
2 door fixed-head coupé FF 4A 4121 cm3 127 PS 125 bhp 93 kW 1604 kg
2 door fixed-head coupé FR 3A 4942 cm3 137 PS 135 bhp 101 kW 1523 kg
2 door fixed-head coupé FR 3M 3791 cm3 117 PS 115 bhp 86 kW 1477 kg
2 door fixed-head coupé FR 3A 4390 cm3 122 PS 120 bhp 89 kW 1541 kg
2 door fixed-head coupé FR 3M 3791 cm3 115 PS 113 bhp 84 kW 1395 kg
2 door fixed-head coupé FR 3A 3791 cm3 115 PS 113 bhp 84 kW
2 door fixed-head coupé FR 3A 4942 cm3 135 PS 133 bhp 99 kW 1471 kg
2 door fixed-head coupé FR 3M 3791 cm3 117 PS 115 bhp 86 kW 1418 kg
2 door fixed-head coupé FR 3A 5013 cm3 127 PS 125 bhp 93 kW 1518 kg
2 door fixed-head coupé FR 3A 3791 cm3 117 PS 115 bhp 86 kW
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 6
Capacity 4.1 litre
4130 cc
(252.028 cu in)
Bore × Stroke 100.7 × 86.4 mm
3.96 × 3.4 in
Bore/stroke ratio 1.17
Valve gear overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output
(SAEnet)
125 PS (123 bhp) (92 kW)
at 3800 rpm
Specific output
(SAEnet)
29.8 bhp/litre
0.49 bhp/cu in
maximum torque
(SAEnet)
284 Nm (209 ft·lb) (29 kgm)
at 2000 rpm
Specific torque
(SAEnet)
68.77 Nm/litre
0.83 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 8:1
Fuel system 1 Rochester M4ME carburettor
bmep (brake mean effective pressure) 864.1 kPa (125.3 psi)
Maximum RPM
crankshaft bearings 4
Engine coolant Water
Unitary capacity 688.33 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 161 km/h (100 mph)
Power-to-weight ratio 74.86 PS/tonne (1000 kg)
55.05 kW/tonne (1000 kg)
73.83 bhp/tonne (1000 kg)
0.03 bhp/lb
Weight-to-power ratio 18.16 kg/kW
30.34 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 2.93
general
Carfolio.com ID157949
Production total
Model code
Model family
RAC rating 37.7
Insurance classification No information available
Tax band No information available
1981 Buick Riviera Coupé added 2007-05-11.
Last modified 2013-02-28.