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2003 Pontiac Grand Am - Specs

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2003 Pontiac Grand Am

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Grand Am - Engine Specs
Grand Am - Transmission Specs
Grand Am - Chassis / Suspension
Grand Am - Exterior Dimensions
Grand Am - Interior Dimensions
Grand Am - Capacities

Model Lineup	Engines			Transmissions
Model Lineup	Ecotec 2.2L L4	3.4L V6	3.4L Ram Air V6	5-spd man (M86)	4-spd auto (Hydra-Matic 4T40-E)	4-spd auto (Hydra-Matic 4T45-E)
SE sedan	Standard	-	-	Standard	Optional	-
SE1 sedan	Standard	Optional	-	Standard	-	Optional
SE2 sedan	-	Standard	-	-	-	Standard
GT coupe / sedan	-	-	Standard	-	-	Standard
GT1 coupe / sedan	-	-	Standard	-	-

Engine	Ecotec 2.2L L4 (L61)	3400 3.4L V6 (LA1)	3400 3.4L V6 (LA1) with Ram Air
Application	standard on SE/SE1	available on SE1	standard on GT
Application	standard on SE/SE1	standard on SE2	standard on GT
Type	2.2-liter L4	3.4-liter V6	3.4-liter V6
Displacement (cu in / cc)	134 / 2189	207 / 3350	207 / 3350
Bore & stroke (in / mm)	3.39 x 3.72 / 86 x 94.6	3.62 x 3.31 / 92 x 84	3.62 x 3.31 / 92 x 84
Block material	cast aluminum	cast iron	cast iron
Cylinder head material	cast aluminum	aluminum	aluminum
Valvetrain	DOHC, four valves per cylinder	OHV, two valves per cylinder	OHV, two valves per cylinder
Ignition system	electronic	electronic	electronic
Fuel delivery	sequential-port fuel injection	sequential-port fuel injection	sequential-port fuel injection
Compression ratio	10.0:1	9.5:1	9.5:1
Horsepower (hp / kw @ rpm)	140 / 104 @ 5600	170 / 127 @ 4800	175 / 130 @ 4800
Torque (lb-ft / Nm @ rpm)	150 / 203 @ 4000	195 / 264 @ 4000	205 / 278 @ 4000
Recommended fuel	87 octane	87 octane	87 octane
Maximum engine speed (rpm)	6500	6000	6000
Emissions controls	evaporative system with catalytic converter	catalytic converter/EGR	catalytic converter/EGR
Estimated fuel economy (mpg city / hwy / comb.)	auto: 24 / 32 / 28	20 / 29 / 24	20 / 29 / 24
Estimated fuel economy (mpg city / hwy / comb.)	manual: 25 / 33 / 29	20 / 29 / 24	20 / 29 / 24

Transmission	M86	Hydra-Matic 4T40-E	Hydra-Matic 4T45-E
Type	5-speed manual	4-speed electronic automatic	4-speed electronic automatic
Gear ratios (: 1):
1st	3.58	2.92	2.92
2nd	2.02	1.57	1.57
3rd	1.35	1.00	1.00
4th	0.98	0.71	0.71
5th	0.68	—	—
Reverse	—	2.13	2.13
Final drive ratio	3.94:1	3.91:1	3.05:1 / 3.29:1

Chassis / Suspension	SE	GT
Front	front type MacPherson struts with lower control arms 29 Nm spring 24mm hollow stabilizer bar	front type MacPherson struts with lower control arms 29 Nm spring 24mm hollow stabilizer bar
Rear	tri-link independent 17.5 Nm spring 15.3mm solid stabilizer bar MacPherson struts	tri-link independent 17.5 Nm spring 15.3mm solid MacPherson struts stabilizer bar
Steering type	rack and pinion, power assisted	c-spring EVO variable effort (standard six-cylinder engine)
Sterring ratio	14.7:1	14.7:1
Steering wheel turns, lock-to-lock	2.5	2.5
Turning circle, curb-to-curb (ft / m)	35.1 / 10.7	35.7 / 10.9

Brakes	SE	GT
Type	power-assisted vented front disc / rear drums ABS standard on SE2, optional on SE and SE1	power-assisted vented front / rear discs 4-wheel ABS
Rotor diameter (in / mm)	front: 10.9 / 278	front: 10.9 / 278
Rotor diameter (in / mm)	rear: 7.87 / 200	rear: N/A

Wheels / Tires	SE	SE1	GT
Wheel size and type	15-inch custom bolt-on wheel covers	15-inch twin five-spoke aluminum/16-inch five-spoke chrome tech	16-inch five-spoke torqued cast aluminum
		optional: 16-inch five-spoke chrome tech	optional: 16-inch five-spoke torqued chrome tech
Tires	P215/60R15 touring blackwalls	P225/50R16 touring blackwalls	P225/50R16 touring blackwalls
		optional: P225/50R16 touring blackwalls

Exterior Dimensions		Coupe	Sedan
Wheelbase (in / mm)		107.2 / 2718	107.2 / 2718
Overall length (in / mm)		186.3 / 4372	186.3 / 4372
Overall width (in / mm)		70.4 / 1788	70.4 / 1788
Overall height (in / mm)		55.1 / 1400	55.1 / 1400
Track (in / mm)	Front	59 / 1499	59 / 1499
Track (in / mm)	Rear	59.1 / 1501	59.1 / 1501
Curb weight (lbs / kg)		SE: 3066 / 1393	SE: 3116 / 1416
Curb weight (lbs / kg)		GT: 3099 / 1409	GT: 3118 / 1417

Interior Dimensions		Coupe	Sedan
Seating capacity (front / rear)	Front	2	2
Seating capacity (front / rear)	Rear	3	3
Head room (in / mm)	Front	38.3 / 972.8	38.3 / 972.8
Head room (in / mm)	Rear	37.3 / 944.9	37.6 / 955
Leg room (in / mm)	Front	42.1 / 1069	42.1 / 1069
Leg room (in / mm)	Rear	35.5 / 901.7	35.5 / 901.7
Shoulder room (in / mm)	Front	53.7 / 1364	53.6 / 1361
Shoulder room (in / mm)	Rear	55 / 1397	52.8 / 1341
Hip room (in / mm)	Front	52.4 / 1331	52.6 / 1336
Hip room (in / mm)	Rear	49.3 / 1252	52.4 / 1331

Capacities	2003 Pontiac Grand Am
EPA passenger volume (cu ft / liters)	coupe: 92.2 / 2611
EPA passenger volume (cu ft / liters)	sedan: 90.1 / 2551
EPA interior volume (cu ft / liters)	coupe: 107.3 / 3038
EPA interior volume (cu ft / liters)	sedan: 105.4 / 2985
Cargo volume (cu ft / liters)	14.6 / 413.4
Fuel tank (gals / liters)	14.1 / 54.1
Engine oil (qts / liters)	four-cylinder: 4 / 3.8
Engine oil (qts / liters)	3400 V6: 4.5 / 4.3
Cooling system (qts / liters)	four-cylinder: 10 / 9.5
Cooling system (qts / liters)	3400 V6: 12.5 / 11.8