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Pontiac Grand Prix GT

(2003 model)

Brief specs of 2003 Pontiac Grand Prix GT

4-door 5-seater sedan (saloon), petrol (gasoline) 6-cylinder 12-valve V engine, OHV (overhead valve, I-head), 3791 cm3 / 231.3 cu in / 231.3 cu in, 149.1 kW / 199.9 hp / 199.9 hp @ 5200 rpm / 5200 rpm / 5200 rpm, 305.0 N·m / 225.0 lb·ft / 225.0 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, automatic 4-speed transmission, front wheel drive

units: metric UK US

Basic (general) data

Marque (make)PontiacIssued from2003
ModelGrand Prix GTIssued until
SerieGrand PrixNumber made
Model familyBody construction
Model codeBody designation
ManufacturerPontiacCountryUS

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length5017 mm / 197.5 in / 197.5 inTotal (curb) weight1586 kg / 3497 lb / 3497 lb
Width1847 mm / 72.7 in / 72.7 inDry weight
Height1389 mm / 54.7 in / 54.7 inLoad capacity
Wheelbase2807 mm / 110.5 in / 110.5 inGross (max.) weight
Track front1567 mm / 61.7 in / 61.7 inTowing weight
Track rear1552 mm / 61.1 in / 61.1 inWeight distribution (front)65.0 % / 65.0 % / 65.0 %
Ground clearanceFuel capacity66 l / 14.6 UK gal / 17.5 US gal
Length/wheelbase ratio1.79  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.18 m2 / 23.5 sq ft / 23.5 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeL36Total number of cylinders6
Engine TypeV engine Total number of valves12
Engine ManufacturerGMValves per cylinder2
Engine constructioncast iron block & headBore96.5 mm / 3.80 in / 3.80 in
Fuelpetrol (gasoline)Stroke86.4 mm / 3.40 in / 3.40 in
Fuel detailsBore/Stroke ratio1.12
Fuel supplySPFiEngine displacement3791 cm3 / 231.3 cu in / 231.3 cu in
Engine Main bearingsUnitary capacity631.83 cm3/cylinder / 38.557 cu in/cylinder / 38.557 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio9.4 : 1
SumpwetMax. output power149.1 kW / 199.9 hp / 199.9 hp at 5200 rpm / 5200 rpm / 5200 rpm
AspirationnaturalMax. torque305.0 N·m / 225.0 lb·ft / 225.0 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm6000 rpm / 6000 rpm / 6000 rpm
IntercoolernoMax. net output (power at the wheels)59.6 kW / 80.0 hp / 80.0 hp (est.)
CoolantwaterSpecific output39.3 kW/l / 0.864 bhp/cu in / 0.864 bhp/cu in
Catalytic converteryesSpecific torque80.5 N·m/l / 0.70 lb·ft/cu in / 0.70 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears4
Wheel drivefront wheel driveTop gear (drive) ratio0.71
  Final gear (drive) ratio3.29

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio126.1 kW/ton / 95.5 bhp/ton / 95.5 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 alignmenttransverse
Steeringrack & pinion PASSteering details
Turns lock-to-lock2.26Turning circle
Suspension frontIndependent, MacPherson strut, Coil springs, Lower wishbone, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent,3 Links, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres frontP225/60 R 16Tyres rearP225/60 R 16
Brakes frontventilated discBrakes reardisc
Brake diameter front297 mm / 11.7 in / 11.7 inBrake diameter rear270 mm / 10.6 in / 10.6 in
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Pontiac Grand Prix GT

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