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Buick Riviera Coupé

(1981 model)

Brief specs of 1981 Buick Riviera Coupé

2-door 5-seater fixed-head coupé, diesel 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 5736 cm3 / 350.0 cu in / 350.0 cu in, 77.6 kW / 104.1 hp / 104.1 hp @ 3200 rpm / 3200 rpm / 3200 rpm, 278.0 N·m / 205.0 lb·ft / 205.0 lb·ft @ 1600 rpm / 1600 rpm / 1600 rpm, automatic 3-speed transmission, front wheel drive, 151 km/h / 94 mph / 94 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BuickIssued from1981
ModelRiviera CoupéIssued until
SerieRivieraNumber made
Model familyBody construction
Model codeBody designation
ManufacturerBuickCountryUS

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length5222 mm / 205.6 in / 205.6 inTotal (curb) weight1681 kg / 3706 lb / 3706 lb
Width2032 mm / 80.0 in / 80.0 inDry weight
Height1377 mm / 54.2 in / 54.2 inLoad capacity
Wheelbase2896 mm / 114.0 in / 114.0 inGross (max.) weight
Track front1506 mm / 59.3 in / 59.3 inTowing weight
Track rear1524 mm / 60.0 in / 60.0 inWeight distribution (front)
Ground clearance130 mm / 5.1 in / 5.1 inFuel capacity88 l / 19.4 UK gal / 23.2 US gal
Length/wheelbase ratio1.8  

Aerodynamics

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

Engine CodeTotal number of cylinders8
Engine TypeV engine Total number of valves16
Engine ManufacturerGMValves per cylinder2
Engine constructioncast iron block & headBore103.1 mm / 4.06 in / 4.06 in
FueldieselStroke85.8 mm / 3.38 in / 3.38 in
Fuel detailsBore/Stroke ratio1.2
Fuel supply1 Detroit-Diesel injection pumpEngine displacement5736 cm3 / 350.0 cu in / 350.0 cu in
Engine Main bearings5Unitary capacity717.00 cm3/cylinder / 43.754 cu in/cylinder / 43.754 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio22.5 : 1
SumpMax. output power77.6 kW / 104.1 hp / 104.1 hp at 3200 rpm / 3200 rpm / 3200 rpm
AspirationnaturalMax. torque278.0 N·m / 205.0 lb·ft / 205.0 lb·ft at 1600 rpm / 1600 rpm / 1600 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)31.0 kW / 41.6 hp / 41.6 hp (est.)
CoolantwaterSpecific output13.5 kW/l / 0.297 bhp/cu in / 0.297 bhp/cu in
Catalytic converteryesSpecific torque48.5 N·m/l / 0.42 lb·ft/cu in / 0.42 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears3
Wheel drivefront wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio2.41

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed151 km/h / 94 mph / 94 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio61.9 kW/ton / 46.9 bhp/ton / 46.9 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
Steeringrecirculating ball PASSteering details
Turns lock-to-lock3Turning circle
Suspension frontSuspension rear
Wheels front6 x 15Wheels rear6 x 15
Tyres frontP205/70 R 15Tyres rearP205/70 R 15
Brakes frontventilated discBrakes reardrum
Brake diameter front267 mm / 10.5 in / 10.5 inBrake diameter rear
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Buick Riviera Coupé

Infobox

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