Buick Riviera Coupé (1981) fixed-head coupé - technical specifications of 1981 Buick Riviera Coupé

Buick Riviera Coupé

(1981 model)

Brief specs of 1981 Buick Riviera Coupé

2-door 5-seater fixed-head coupé, petrol (gasoline) 6-cylinder 12-valve V engine, OHV (overhead valve, I-head), 4130 cm³ / 252.0 cu in / 252.0 cu in, 91.7 kW / 123.0 hp / 123.0 hp @ 3800 rpm / 3800 rpm / 3800 rpm, 284.0 N·m / 209.5 lb·ft / 209.5 lb·ft @ 2000 rpm / 2000 rpm / 2000 rpm, automatic 3-speed transmission, front wheel drive, 161 km/h / 100 mph / 100 mph top speed

Marque (make)	Buick	Issued from	1981
Model	Riviera Coupé	Issued until
Serie	Riviera	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Buick	Country	US

Marque (make)

Buick

Issued from

1981

Model

Riviera Coupé

Issued until

Serie

Riviera

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

Buick

Country

Base platform		Number of doors	2
Bodywork type	fixed-head coupé	Number of seats	5
Bodywork designer		Cargo capacity (volume)
Passenger space (volume)		Max. cargo capacity (volume)

Base platform

Number of doors

Bodywork type

fixed-head coupé

Number of seats

Bodywork designer

Cargo capacity (volume)

Passenger space (volume)

Max. cargo capacity (volume)

Length	5222 mm / 205.6 in / 205.6 in	Total (curb) weight	1666 kg / 3673 lb / 3673 lb
Width	2032 mm / 80.0 in / 80.0 in	Dry weight
Height	1377 mm / 54.2 in / 54.2 in	Load capacity
Wheelbase	2896 mm / 114.0 in / 114.0 in	Gross (max.) weight
Track front	1506 mm / 59.3 in / 59.3 in	Towing weight
Track rear	1524 mm / 60.0 in / 60.0 in	Weight distribution (front)
Ground clearance	130 mm / 5.1 in / 5.1 in	Fuel capacity	88 l / 19.4 UK gal / 23.2 US gal
Length/wheelbase ratio	1.8

Length

5222 mm / 205.6 in / 205.6 in

Total (curb) weight

1666 kg / 3673 lb / 3673 lb

Width

2032 mm / 80.0 in / 80.0 in

Dry weight

Height

1377 mm / 54.2 in / 54.2 in

Load capacity

Wheelbase

2896 mm / 114.0 in / 114.0 in

Gross (max.) weight

Track front

1506 mm / 59.3 in / 59.3 in

Towing weight

Track rear

1524 mm / 60.0 in / 60.0 in

Weight distribution (front)

Ground clearance

130 mm / 5.1 in / 5.1 in

Fuel capacity

88 l / 19.4 UK gal / 23.2 US gal

Length/wheelbase ratio

1.8

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	2.38 m² / 25.6 sq ft / 25.6 sq ft (est.)
Aerodynamic coefficient (Cd×A)		Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Drag coefficient (Cd, Cx, Cw)

Frontal area (A)

2.38 m² / 25.6 sq ft / 25.6 sq ft (est.)

Aerodynamic coefficient (Cd×A)

Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine Code		Total number of cylinders	6
Engine Type	V engine	Total number of valves	12
Engine Manufacturer	GM	Valves per cylinder	2
Engine construction	cast iron block & head	Bore	100.7 mm / 3.96 in / 3.96 in
Fuel	petrol (gasoline)	Stroke	86.4 mm / 3.40 in / 3.40 in
Fuel details		Bore/Stroke ratio	1.17
Fuel supply	1 Rochester M4ME carburettor	Engine displacement	4130 cm³ / 252.0 cu in / 252.0 cu in
Engine Main bearings	4	Unitary capacity	688.33 cm³/cylinder / 42.004 cu in/cylinder / 42.004 cu in/cylinder
Cam Design	OHV (overhead valve, I-head)	Compression ratio	8.0 : 1
Sump	wet	Max. output power	91.7 kW / 123.0 hp / 123.0 hp at 3800 rpm / 3800 rpm / 3800 rpm
Aspiration	natural	Max. torque	284.0 N·m / 209.5 lb·ft / 209.5 lb·ft at 2000 rpm / 2000 rpm / 2000 rpm
Compressor type	N/A	Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	36.7 kW / 49.2 hp / 49.2 hp (est.)
Coolant	water	Specific output	22.2 kW/l / 0.488 bhp/cu in / 0.488 bhp/cu in
Catalytic converter	yes	Specific torque	68.8 N·m/l / 0.60 lb·ft/cu in / 0.60 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

V engine

Total number of valves

Engine Manufacturer

Valves per cylinder

Engine construction

cast iron block & head

Bore

100.7 mm / 3.96 in / 3.96 in

Fuel

petrol (gasoline)

Stroke

86.4 mm / 3.40 in / 3.40 in

Fuel details

Bore/Stroke ratio

1.17

Fuel supply

1 Rochester M4ME carburettor

Engine displacement

4130 cm³ / 252.0 cu in / 252.0 cu in

Engine Main bearings

Unitary capacity

688.33 cm³/cylinder / 42.004 cu in/cylinder / 42.004 cu in/cylinder

Cam Design

OHV (overhead valve, I-head)

Compression ratio

8.0 : 1

Sump

wet

Max. output power

91.7 kW / 123.0 hp / 123.0 hp at 3800 rpm / 3800 rpm / 3800 rpm

Aspiration

natural

Max. torque

284.0 N·m / 209.5 lb·ft / 209.5 lb·ft at 2000 rpm / 2000 rpm / 2000 rpm

Compressor type

N/A

Maximum rpm

Intercooler

Max. net output (power at the wheels)

36.7 kW / 49.2 hp / 49.2 hp (est.)

Coolant

water

Specific output

22.2 kW/l / 0.488 bhp/cu in / 0.488 bhp/cu in

Catalytic converter

yes

Specific torque

68.8 N·m/l / 0.60 lb·ft/cu in / 0.60 lb·ft/cu in

Transmission type	automatic	Number of gears	3
Wheel drive	front wheel drive	Top gear (drive) ratio	1
		Final gear (drive) ratio	2.93

Transmission type

automatic

Number of gears

Wheel drive

front wheel drive

Top gear (drive) ratio

Final gear (drive) ratio

2.93

Acceleration 0-50 mph (80 km/h)	Top (maximal) speed	161 km/h / 100 mph / 100 mph
Acceleration 0-60 mph (97 km/h)	Power-to-weight ratio	73.8 kW/ton / 55.9 bhp/ton / 55.9 bhp/ton
Acceleration 0-100 km/h	Fuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)	Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in top	Fuel consumption, Mixed (combined)
Standing ¼mile time	Fuel consumption, Euro
Standing kilometer time	CO₂ emissions
	Range

Acceleration 0-50 mph (80 km/h)

Top (maximal) speed

161 km/h / 100 mph / 100 mph

Acceleration 0-60 mph (97 km/h)

Power-to-weight ratio

73.8 kW/ton / 55.9 bhp/ton / 55.9 bhp/ton

Acceleration 0-100 km/h

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

Fuel consumption, Road (extra-urban)

Acceleration 80-120 km/h (50-70 mph) in top

Fuel consumption, Mixed (combined)

Standing ¼mile time

Fuel consumption, Euro

Standing kilometer time

CO₂ emissions

Range

Engine location	front	Engine alignment	longitudinal
Steering	recirculating ball PAS	Steering details
Turns lock-to-lock	3	Turning circle
Suspension front		Suspension rear
Wheels front	6 x 15	Wheels rear	6 x 15
Tyres front	P205/70 R 15	Tyres rear	P205/70 R 15
Brakes front	ventilated disc	Brakes rear	drum
Brake diameter front	267 mm / 10.5 in / 10.5 in	Brake diameter rear
Brakes details	servo-assisted	Braked area

Engine location

front

Engine alignment

longitudinal

Steering

recirculating ball PAS

Steering details

Turns lock-to-lock

Turning circle

Suspension front

Suspension rear

Wheels front

6 x 15

Wheels rear

6 x 15

Tyres front

P205/70 R 15

Tyres rear

P205/70 R 15

Brakes front

ventilated disc

Brakes rear

drum

Brake diameter front

267 mm / 10.5 in / 10.5 in

Brake diameter rear

Brakes details

servo-assisted

Braked area

Auto Insurance Discounts

There are several discount programmes offered by many insurance companies, which we summarized below. Availability of each discount, discount rates and age requirements may vary by insurance company and by state, indeed. Also be aware that certain types vehicles may not qualify, you should always check with your insurance provider.

Anti-Theft Discount

Vehicles equipped with an alarm or anti-theft device may save you money on your Comprehensive Coverage.

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