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Pontiac Grand Prix Hardtop

(1968 model)

Brief specs of 1968 Pontiac Grand Prix Hardtop

2-door 5-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 6538 cm3 / 399.0 cu in / 399.0 cu in, 261.0 kW / 350.0 hp / 350.0 hp @ 5000 rpm / 5000 rpm / 5000 rpm, 603.0 N·m / 444.7 lb·ft / 444.7 lb·ft @ 3200 rpm / 3200 rpm / 3200 rpm, manual 3-speed transmission, rear wheel drive

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 coefficient (Cd, Cx, Cw)Frontal area (A)2.37 m2 / 25.5 sq ft / 25.5 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 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 / 350.0 hp / 350.0 hp at 5000 rpm / 5000 rpm / 5000 rpm
AspirationnaturalMax. torque603.0 N·m / 444.7 lb·ft / 444.7 lb·ft at 3200 rpm / 3200 rpm / 3200 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)104.4 kW / 140.0 hp / 140.0 hp (est.)
CoolantwaterSpecific output39.9 kW/l / 0.877 bhp/cu in / 0.877 bhp/cu in
Catalytic converternoSpecific torque92.2 N·m/l / 0.81 lb·ft/cu in / 0.81 lb·ft/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 (97 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)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

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
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Pontiac Grand Prix Hardtop

Infobox

Car Insurance FAQs #2

How does my driving record affect my insurance premium?

The premium you pay is a direct reflection of your driving record for the past three to five years depending on the insurance company. Insurance companies order driving records from the DMV of your residence state and from other states where you've been licensed. Statistics show that drivers with tickets and accidents are more likely to have accidents than drivers with clean records.

Why is it harder to get insurance if drivers in my household have bad driving records?

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