1991 Buick Riviera

This automobile has a 2 door coupé type body with a front located engine supplying power to the front wheels. It is powered by a naturally aspirated engine of 3.8 litre capacity. This unit features overhead valve valve gear, a 90 degree V 6 cylinder layout, and 2 valves per cylinder. It produces 170 bhp (172 PS/127 kW) of power at 4800 rpm, and maximum torque of 298 N·m (220 lb·ft/30.4 kgm) at 3200 rpm. This power is transmitted to the wheels through a 3 speed automatic gearbox. Claimed weight at the kerb is 1585 kg.

Pictures

Key facts

1991 Buick Riviera information summary

What body style?
2 door fixed-head coupé with 2+2 seats
How long?
5037 mm
How heavy?
1585 kg
What size engine?
3.8 litre, 3791 cm3
How many cylinders?
6, V
How much power?
172 PS / 170 bhp / 127 kW @ 4800 rpm
How much torque?
298 Nm / 220 ft.lb / 30.4 kgm @ 3200 rpm

Buick Riviera models

fixed-head coupé FF 3A 3791 cm3 167 PS 165 bhp 123 kW 1553 kg
2 door fixed-head coupé FF 3A 3791 cm3 152 PS 150 bhp 112 kW 1501 kg

Similar models

fixed-head coupé FR 5M 3350 cm3 162 PS 160 bhp 119 kW 1470 kg
2 door fixed-head coupé FR 5M 5002 cm3 172 PS 170 bhp 127 kW
2 door fixed-head coupé FR 4A 5002 cm3 172 PS 170 bhp 127 kW
2 door fixed-head coupé FR 5M 5016 cm3 172 PS 170 bhp 127 kW 1514 kg
2 door fixed-head coupé FF 4A 1997 cm3 183 PS 180 bhp 134 kW
2 door fixed-head coupé FR 5M 5001 cm3 172 PS 170 bhp 127 kW 1475 kg
2 door fixed-head coupé FR 4A 5001 cm3 172 PS 170 bhp 127 kW
2 door fixed-head coupé FR 5M 2316 cm3 177 PS 175 bhp 130 kW
1991 Buick Riviera data
bodywork
Body type2+2 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2743 mm 108 inches
Track/tread (front) 1521 mm 59.9 inches
Track/tread (rear) 1521 mm 59.9 inches
Length 5037 mm 198.3 inches
Width 1857 mm 73.1 inches
Height 1344 mm 52.9 inches
Ground clearance
length:wheelbase ratio 1.84
Kerb weight 1585 kg 3494 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code L27
Cylinders V 6 in 90° vee
Capacity 3.8 litre
3791 cc
(231.341 cu in)
Bore × Stroke 96.5 × 86.4 mm
3.8 × 3.4 in
Bore/stroke ratio 1.12
Valve gear overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output 172 PS (170 bhp) (127 kW)
at 4800 rpm
Specific output 44.8 bhp/litre
0.73 bhp/cu in
maximum torque 298 Nm (220 ft·lb) (30.4 kgm)
at 3200 rpm
Specific torque 78.61 Nm/litre
0.95 ft·lb/cu3
Engine construction
sump
compression ratio 8.5:1
Fuel system
bmep (brake mean effective pressure) 987.8 kPa (143.3 psi)
Maximum RPM
crankshaft bearings 4
Engine coolant Water
Unitary capacity 631.83 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 108.75 PS/tonne (1000 kg)
79.98 kW/tonne (1000 kg)
107.26 bhp/tonne (1000 kg)
0.05 bhp/lb
Weight-to-power ratio 12.5 kg/kW
20.88 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 transverse
Drive wheels front 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
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox 3 speed automatic
Top gear ratio
Final drive ratio
general
Carfolio.com ID17963
Production total
Model code
Model family
RAC rating 34.6
Insurance classification No information available
Tax band No information available
1991 Buick Riviera added before December 1995.
Last modified 2013-02-28.