Car quick pick



Your car fleet

No cars selected
Pontiac logo

Pontiac Grand Prix Hardtop

(1968 model)





units: metric UK US

Basic (general) data

Marque (make)PontiacIssued from1968
ModelGrand Prix HardtopIssued until
SerieGrand PrixNumber made
Model familyBody construction
Model codeBody designation
ManufacturerPontiacCountryUS

Bodywork

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

Dimensions & Weight

Length5502 mm / 216.6 in / 216.6 inTotal (curb) weight
Width2027 mm / 79.8 in / 79.8 inDry weight
Height1377 mm / 54.2 in / 54.2 inLoad capacity
Wheelbase3073 mm / 121.0 in / 121.0 inGross (max.) weight
Track front1600 mm / 63.0 in / 63.0 inTowing weight
Track rear1626 mm / 64.0 in / 64.0 inWeight distribution (front)
Ground clearanceFuel capacity102 l / 22.5 UK gal / 27.0 US gal
Length/wheelbase ratio1.79  

Aerodynamics

Drag coefficientFrontal Area
Cx  

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine Total number of valves16
Engine ManufacturerGMValves per cylinder2
Engine constructionBore104.6 mm / 4.12 in / 4.12 in
Fuelpetrol (gasoline)Stroke95.1 mm / 3.74 in / 3.74 in
Fuel detailsBore/Stroke ratio1.1
Fuel supply1 carbEngine displacement6538 cm3 / 399.0 cu in / 399.0 cu in
Engine Main bearings5Unitary capacity817.25 cm3/cylinder / 49.872 cu in/cylinder / 49.872 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio10.5 : 1
SumpMax. output power261.0 kW / 354.9 hp / 354.9 hp at 5000 rpm / 5000 rpm / 5000 rpm
AspirationnaturalMax. torque603.0 Nm / 444.7 lbft / 444.7 lbft at 3200 rpm / 3200 rpm / 3200 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output257.4 kW / 350.0 bhp / 350.0 bhp
CoolantwaterSpecific output53.5 kW/l / 1.192 bhp/cu in / 1.192 bhp/cu in
Catalytic converternoSpecific torque92.23 Nm/l / 0.807 lbft/cu in / 0.807 lbft/cu in

Transmission

Transmission typemanualNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (96 km/h)Power-to-weight ratio
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)
0-Quarter-mile time Fuel consumption, Euro
0-Kilometer time CO2 emissions

Chassis

Engine locationfrontEngine alignmentlongitudinal
Steeringrecirculating ballSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front8.55 x 14Tyres rear8.55 x 14
Brakes frontdrumBrakes reardrum
Brakes detailsBraked area
Brake diameter frontBrake diameter rear

Technical specifications and performance data of Pontiac Grand Prix Hardtop

 
TOPlist