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2003 Pontiac Grand Prix - Specs

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2003 Pontiac Grand Prix

2003 Pontiac Grand Prix - Review
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Grand Prix - Engine Specs
Grand Prix - Transmission Specs
Grand Prix - Chassis / Suspension
Grand Prix - Exterior Dimensions
Grand Prix - Interior Dimensions
Grand Prix - Capacities

Model Lineup	Engines			Transmission
Model Lineup	3100 3.1L V6	3800 3.8L Series II V6	3800 SC 3.8L Supercharged Series II V6	4-spd auto (Hydra-Matic 4T65-E)
SE	Standard	-	-	Standard
GT	-	Standard	-	Standard
GTP	-	-	Standard	Standard

Engine	3100 3.1L V6 (LG8)	3800 3.8L Series II V6 (L36)	3800 SC 3.8L Supercharged Series II V6 (L67)
Application	standard on SE Sedan	standard on GT	standard on GTP
Type	3.1-liter V6	3.8-liter V6	3.8-liter supercharged V6
Displacement (cu in / cc)	191 / 3136	231 / 3791	231 / 3791
Bore & stroke (in / mm)	3.51 x 3.31 / 89 x 84	3.80 x 3.40 / 96.52 x 86.36	3.80 x 3.40 / 96.52 x 86.36
Block material	cast iron	cast iron	cast iron
Cylinder head material	cast aluminum	cast iron	cast iron
Valvetrain	OHV, two valves per cylinder	OHV, two valves per cylinder	OHV, two valves per cylinder
Ignition system	electronic control module with three integral coils and one remote timing sensor	electronic	electronic
Fuel delivery	sequential-port fuel injection	sequential-port fuel injection	sequential-port fuel injection
Compression ratio	9.6:1	9.4:1	8.5:1
Horsepower (hp / kw @ rpm)	175 / 130 @ 5200	200 / 149 @ 5200	240 / 179 @ 5200
Torque (lb-ft / Nm @ rpm)	195 / 264 @ 4000	225 / 305 @ 4000	280 / 380 @ 3600
Recommended fuel	87 octane	87 octane	92 octane
Maximum engine speed (rpm)	6000	6000	6000
Emissions controls	catalytic converter/EGR	catalytic converter/EGR	catalytic converter/EGR
Estimated fuel economy (mpg city / hwy / comb.)	20 / 30 / 24	20 / 30 / 24	18 / 28 / 22

Transmission	2003 Pontiac Grand Prix
Type:	Hydra-Matic 4T65-E 4-speed electronic automatic FWD transverse
Gear ratios (:1):
1st	2.92
2nd	1.57
3rd	1.00
4th	0.71
Reverse	2.39
Final drive ratio	3100 & 3800 Series II: 3.29
Final drive ratio	Supercharged 3800: 2.93

Chassis Suspension	2003 Pontiac Grand Prix
Front	MacPherson struts with coil springs, lower A-arm, 30mm hollow anti-roll bar
Rear	independent, tri-link coil over strut, 18mm anti-roll bar
Steering type	Low friction rack and pinion, power assisted (MagnaSteer on GTP models)
Steering ratio	17.6:1
Steering wheel turns, lock-to-lock	2.26
Turning circle, curb-to-curb (ft / m)	36.9 / 11.2

Brakes	2003 Pontiac Grand Prix
Type	4-wheel ABS (standard on GTP)
	front: vented discs, power assisted
	rear: solid discs, power assisted
Rotor diameter (in / mm)	front: 10.9 / 277; 10.9 / 277

Wheels / Tires	SE	GT	GTP
Standard wheels	15-inch steel sport wheel w/ bolt-on cover	16-inch five-spoke styled cast aluminum	16-inch five-spoke styled cast aluminum
Optional wheels	16-inch five-blade cast aluminum	16-inch three-spoke cast aluminum polished	16-inch three-spoke cast aluminum polished
		16-inch three-spoke cast aluminum	16-inch five-spoke cast aluminum polished
		16-inch five-spoke cast aluminum polished	16-inch five-spoke cast aluminum polished
Standard tires	P205/70R15 blackwall touring	P225/60R16 blackwall	P225/60R16 blackwall performance
Optional tires	P225/60R16 blackwall	-	-

Exterior Dimensions	SE	GT	GTP
Wheelbase (in / mm)	110.5 / 2806.7	110.5 / 2806.7	110.5 / 2806.7
Overall length (in / mm)	197.5 / 5016.5	197.5 / 5016.5	197.5 / 5016.5
Overall width (in / mm)	72.7 / 1846.6	72.7 / 1846.6	72.7 / 1846.6
Overall height (in / mm)	54.7 / 1389.4	54.7 / 1389.4	54.7 / 1389.4
Track (in / mm)	front: 61.7 / 1567.2	front: 61.7 / 1567.2	front: 61.7 / 1567.2
Track (in / mm)	rear: 61.1 / 1551.9	rear: 61.1 / 1551.9	rear: 61.1 / 1551.9
Curb weight (lbs / kg)	3384 / 1535	coupe: 3429 / 1555	coupe: 3495 / 1585
Curb weight (lbs / kg)	3384 / 1535	sedan: 3496 / 1586	sedan: 3559 / 1614
Weight distribution (% front / rear)	65 / 35	65 / 35	65 / 35

Interior Dimensions	Front	Rear
Seating capacity	2	3
Head room (in / mm)	38.3 / 972.8	36.7 / 932.2
Leg room (in / mm)	42.4 / 1077	35.8 / 909.3
Shoulder room (in / mm)	58.5 / 1486	57.2 / 1452.9
Hip room (in / mm)	55.7 / 1415	54.3 / 1379.2

Capacities	2003 Pontiac Grand Prix
EPA interior volume (cu ft / liters)	115 / 3256
Cargo volume (cu ft / liters)	16 / 453
Trailer towing maximum (lbs / kg)	1000 / 454 (not recommended with supercharged engine)
Fuel tank (gals / liters)	17.5 / 66.2
Engine oil (qts / liters)	3.1L engine: 4 / 3.8
Engine oil (qts / liters)	3.8L engine: 5 / 4.7
Cooling system (qts / liters)	3.1L engine: 11.6 / 11
Cooling system (qts / liters)	3.8L engine: 12.3 / 11.6