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Buick Riviera

(1972 model)

Brief specs of 1972 Buick Riviera

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 7458 cm3 / 455.1 cu in / 455.1 cu in, 186.4 kW / 250.0 hp / 250.0 hp @ 4000 rpm / 4000 rpm / 4000 rpm, 508.0 N·m / 374.7 lb·ft / 374.7 lb·ft @ 2800 rpm / 2800 rpm / 2800 rpm, automatic 3-speed transmission, rear wheel drive, 179 km/h / 111 mph / 111 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BuickIssued from1972
ModelRivieraIssued until
SerieRivieraNumber made
Model familyBody construction
Model codeBody designation
ManufacturerBuickCountryUS

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)6290 l / 222.13 cu ft / 222.13 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length5545 mm / 218.3 in / 218.3 inTotal (curb) weight2040 kg / 4497 lb / 4497 lb
Width2032 mm / 80.0 in / 80.0 inDry weight
Height1372 mm / 54.0 in / 54.0 inLoad capacity
Wheelbase3096 mm / 121.9 in / 121.9 inGross (max.) weight
Track front1615 mm / 63.6 in / 63.6 inTowing weight
Track rear1626 mm / 64.0 in / 64.0 inWeight distribution (front)
Ground clearanceFuel capacity95 l / 20.9 UK gal / 25.1 US gal
Length/wheelbase ratio1.79  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.4Frontal area (A)2.37 m2 / 25.5 sq ft / 25.5 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.95 m2 / 10.2 sq ft / 10.2 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)23.6 kW / 31.6 hp / 31.6 hp (est.)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine (V6)Total number of valves16
Engine ManufacturerGMValves per cylinder2
Engine constructionBore109.5 mm / 4.31 in / 4.31 in
Fuelpetrol (gasoline)Stroke99.0 mm / 3.90 in / 3.90 in
Fuel detailsBore/Stroke ratio1.11
Fuel supply1 Ro carbEngine displacement7458 cm3 / 455.1 cu in / 455.1 cu in
Engine Main bearings5Unitary capacity932.25 cm3/cylinder / 56.889 cu in/cylinder / 56.889 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio8.5 : 1
SumpMax. output power186.4 kW / 250.0 hp / 250.0 hp at 4000 rpm / 4000 rpm / 4000 rpm
AspirationnaturalMax. torque508.0 N·m / 374.7 lb·ft / 374.7 lb·ft at 2800 rpm / 2800 rpm / 2800 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)74.6 kW / 100.0 hp / 100.0 hp (est.)
CoolantwaterSpecific output25.0 kW/l / 0.549 bhp/cu in / 0.549 bhp/cu in
Catalytic converterSpecific torque68.1 N·m/l / 0.60 lb·ft/cu in / 0.60 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio2.93

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed179 km/h / 111 mph / 111 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio122.5 kW/ton / 92.9 bhp/ton / 92.9 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
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Wishbone (A-arm, control arm),T Links, Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearLive axle,L Trailing arm, Coil springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontdiscBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Buick Riviera

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