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Pontiac GTO

(2003 model)

Brief specs of 2003 Pontiac GTO

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 5665 cm3 / 345.7 cu in / 345.7 cu in, 261.0 kW / 350.0 hp / 350.0 hp @ 5200 rpm / 5200 rpm / 5200 rpm, 495.0 N·m / 365.1 lb·ft / 365.1 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual 6-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)PontiacIssued from2003
ModelGTOIssued until
SerieGTONumber made
Model familyBody construction
Model codeBody designation
ManufacturerPontiacCountryUS

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)4550 l / 160.68 cu ft / 160.68 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4821 mm / 189.8 in / 189.8 inTotal (curb) weight1690 kg / 3726 lb / 3726 lb
Width1842 mm / 72.5 in / 72.5 inDry weight
Height1397 mm / 55.0 in / 55.0 inLoad capacity
Wheelbase2789 mm / 109.8 in / 109.8 inGross (max.) weight
Track front1570 mm / 61.8 in / 61.8 inTowing weight
Track rear1570 mm / 61.8 in / 61.8 inWeight distribution (front)55.0 % / 55.0 % / 55.0 %
Ground clearanceFuel capacity70 l / 15.4 UK gal / 18.5 US gal
Length/wheelbase ratio1.73  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.19 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 CodeLT1Total number of cylinders8
Engine TypeV engine (V8)Total number of valves16
Engine ManufacturerGMValves per cylinder2
Engine constructionaluminium block & headBore99.0 mm / 3.90 in / 3.90 in
Fuelpetrol (gasoline)Stroke92.0 mm / 3.62 in / 3.62 in
Fuel detailsBore/Stroke ratio1.08
Fuel supplyEFiEngine displacement5665 cm3 / 345.7 cu in / 345.7 cu in
Engine Main bearings5Unitary capacity708.13 cm3/cylinder / 43.213 cu in/cylinder / 43.213 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio10.1 : 1
SumpwetMax. output power261.0 kW / 350.0 hp / 350.0 hp at 5200 rpm / 5200 rpm / 5200 rpm
AspirationnaturalMax. torque495.0 N·m / 365.1 lb·ft / 365.1 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm6200 rpm / 6200 rpm / 6200 rpm
IntercoolernoMax. net output (power at the wheels)104.4 kW / 140.0 hp / 140.0 hp (est.)
CoolantwaterSpecific output46.1 kW/l / 1.012 bhp/cu in / 1.012 bhp/cu in
Catalytic converteryesSpecific torque87.4 N·m/l / 0.76 lb·ft/cu in / 0.76 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears6
Wheel driverear wheel driveTop gear (drive) ratio0.57
  Final gear (drive) ratio3.46

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio207.1 kW/ton / 156.9 bhp/ton / 156.9 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
Steeringrack & pinion VPASSteering details
Turns lock-to-lock3Turning circle12.0 m / 39.4 ft / 39.4 ft
Suspension frontIndependent, MacPherson strutSuspension rearIndependent
Wheels frontWheels rear
Tyres frontP225/50 R 17Tyres rearP225/50 R 17
Brakes frontventilated discBrakes reardisc
Brake diameter front297 mm / 11.7 in / 11.7 inBrake diameter rear287 mm / 11.3 in / 11.3 in
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Pontiac GTO

Infobox

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