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Buick Riviera

(1968 model)

Brief specs of 1968 Buick Riviera

2-door 2+2-seater drophead coupé (convertible coupé), petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 7047 cm3 / 430.0 cu in / 430.0 cu in, 268.5 kW / 360.1 hp / 360.1 hp @ 5000 rpm / 5000 rpm / 5000 rpm, 644.0 N·m / 475.0 lb·ft / 475.0 lb·ft @ 3200 rpm / 3200 rpm / 3200 rpm, automatic 3-speed transmission, rear wheel drive, 193 km/h / 120 mph / 120 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BuickIssued from1968
ModelRivieraIssued until
SerieRivieraNumber made
Model familyBody construction
Model codeBody designation
ManufacturerBuickCountryUS

Bodywork

Base platformNumber of doors2
Bodywork typedrophead coupé (convertible coupé)Number of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)6090 l / 215.07 cu ft / 215.07 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length5467 mm / 215.2 in / 215.2 inTotal (curb) weight1970 kg / 4343 lb / 4343 lb
Width2003 mm / 78.9 in / 78.9 inDry weight
Height1356 mm / 53.4 in / 53.4 inLoad capacity
Wheelbase3023 mm / 119.0 in / 119.0 inGross (max.) weight
Track front1610 mm / 63.4 in / 63.4 inTowing weight
Track rear1600 mm / 63.0 in / 63.0 inWeight distribution (front)
Ground clearance127 mm / 5.0 in / 5.0 inFuel capacity80 l / 17.5 UK gal / 21.0 US gal
Length/wheelbase ratio1.81  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.31 m2 / 24.9 sq ft / 24.9 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 (Inline, 8 cylinder)Total number of valves16
Engine ManufacturerGMValves per cylinder2
Engine constructionBore106.2 mm / 4.18 in / 4.18 in
Fuelpetrol (gasoline)Stroke99.4 mm / 3.91 in / 3.91 in
Fuel detailsBore/Stroke ratio1.07
Fuel supply1 Ro carbEngine displacement7047 cm3 / 430.0 cu in / 430.0 cu in
Engine Main bearingsUnitary capacity880.88 cm3/cylinder / 53.755 cu in/cylinder / 53.755 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio10.2 : 1
SumpMax. output power268.5 kW / 360.1 hp / 360.1 hp at 5000 rpm / 5000 rpm / 5000 rpm
AspirationnaturalMax. torque644.0 N·m / 475.0 lb·ft / 475.0 lb·ft at 3200 rpm / 3200 rpm / 3200 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)107.4 kW / 144.0 hp / 144.0 hp (est.)
CoolantwaterSpecific output38.1 kW/l / 0.837 bhp/cu in / 0.837 bhp/cu in
Catalytic converternoSpecific torque91.4 N·m/l / 0.80 lb·ft/cu in / 0.80 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.42

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed193 km/h / 120 mph / 120 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio182.7 kW/ton / 138.5 bhp/ton / 138.5 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 circle14.2 m / 46.6 ft / 46.6 ft
Suspension frontIndependent, Coil springsSuspension rearLive axle, Coil springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontdiscBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Buick Riviera

Infobox

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