1981 Buick Riviera Coupé specifications

1981 Buick Riviera Coupé data
 
bodywork
Body type4/5 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
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 [23.2] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
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
maximum torque
(SAEnet)
284 Nm (209 ft·lb) (29 kgm)
at 2000 rpm
Specific output
(SAEnet)
22.2 kW/litre
30.2 ps/litre
29.8 bhp/litre
0.49 bhp/cu in
Specific torque
(SAEnet)
68.77 Nm/litre
0.83 ft·lb/cu3
Engine construction cast iron block & head
Lubrication 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 Higher is better
74.86 PS/tonne (1000 kg)
0.07 PS/kg
55.05 kW/tonne (1000 kg)
0.06 kW/kg
73.83 bhp/tonne (1000 kg)
0.07 bhp/kg
0.03 bhp/lb
Weight-to-power ratio Lower is better
18.16 kg/kW
30.34 lb/bhp
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 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 Z57
RAC rating 37.7
Insurance classification No information available
Tax band No information available
1981 Buick Riviera Coupé added 2007-05-11.
Last modified 2020-07-23.

Buick Riviera models

2 door fixed-head coupé FF 4A 5033 cm3/307.1cuin 142 PS 140 bhp 104 kW 1666 kg
2 door fixed-head coupé FF 4A 4130 cm3/252.0cuin 127 PS 125 bhp 93 kW 1666 kg
2 door fixed-head coupé FF 4A 5736 cm3/350.0cuin 106 PS 105 bhp 78 kW 1666 kg
2 door fixed-head coupé FF 4A 3791 cm3/231.3cuin 183 PS 180 bhp 134 kW 1681 kg
2 door fixed-head coupé FF 3A 5033 cm3/307.1cuin 150 PS 148 bhp 110 kW 1666 kg
2 door fixed-head coupé FF 3A 5736 cm3/350.0cuin 105 PS 104 bhp 78 kW 1681 kg
Cars similar to the 1981 Buick Riviera Coupé
2 door fixed-head coupé FF 3AOD 4087 cm3/249.4cuin 127 PS 125 bhp 93 kW 1695 kg
2 door fixed-head coupé FF 3AOD 4128 cm3/251.9cuin 127 PS 125 bhp 93 kW 1740 kg
2 door fixed-head coupé FR 3A 4128 cm3/251.9cuin 127 PS 125 bhp 93 kW
2 door fixed-head coupé FF 3A 5733 cm3/349.8cuin 127 PS 125 bhp 93 kW 1812 kg
2 door fixed-head coupé FR 3M 4390 cm3/267.9cuin 122 PS 120 bhp 89 kW
2 door fixed-head coupé FR 4M 5001 cm3/305.2cuin 132 PS 130 bhp 97 kW
2 door fixed-head coupé FR 3A 5001 cm3/305.2cuin 127 PS 125 bhp 93 kW
2 door fixed-head coupé FR 3A 5001 cm3/305.2cuin 132 PS 130 bhp 97 kW
2 door fixed-head coupé FR 3M 4390 cm3/267.9cuin 122 PS 120 bhp 89 kW
2 door fixed-head coupé FR 4M 5001 cm3/305.2cuin 132 PS 130 bhp 97 kW
2 door fixed-head coupé FR 3A 5001 cm3/305.2cuin 127 PS 125 bhp 93 kW
2 door fixed-head coupé FR 3A 5001 cm3/305.2cuin 132 PS 130 bhp 97 kW
2 door fixed-head coupé FR 3A 5210 cm3/317.9cuin 132 PS 130 bhp 97 kW
2 door fixed-head coupé FR 3A 5210 cm3/317.9cuin 122 PS 120 bhp 89 kW
2 door fixed-head coupé FR 4A 3791 cm3/231.3cuin 120 PS 118 bhp 88 kW 1448 kg
Ford Thunderbird V8 -
2 door fixed-head coupé FR 4A 4186 cm3/255.4cuin 122 PS 120 bhp 89 kW 1577 kg
2 door fixed-head coupé FF 4A 4121 cm3/251.5cuin 127 PS 125 bhp 93 kW 1604 kg
2 door sedan/​saloon FF 3A 5736 cm3/350.0cuin 127 PS 125 bhp 93 kW 1771 kg
2 door fixed-head coupé FR 3A 5013 cm3/305.9cuin 127 PS 125 bhp 93 kW 1523 kg
2 door fixed-head coupé FR 3A 4390 cm3/267.9cuin 122 PS 120 bhp 89 kW 1541 kg
2 door fixed-head coupé FR 4M 5013 cm3/305.9cuin 132 PS 130 bhp 97 kW 1523 kg
2 door fixed-head coupé FR 3A 5013 cm3/305.9cuin 127 PS 125 bhp 93 kW 1518 kg
2 door fixed-head coupé FR 3A 5013 cm3/305.9cuin 132 PS 130 bhp 97 kW