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2003 Pontiac Grand Am - Specs

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2003 Pontiac Grand Am

2003 Pontiac Grand Am - Review
2003 Pontiac Grand Am - Photos
2003 Pontiac Reviews

2003 Pontiac Grand Am - Price Quote

Visit Pontiac for more information on the Pontiac Grand Am.

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

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
standard on SE2

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
manual: 25 / 33 / 29

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
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

Rear

59.1 / 1501

59.1 / 1501

Curb weight (lbs / kg)

SE: 3066 / 1393
SE: 3116 / 1416

GT: 3099 / 1409

GT: 3118 / 1417


Interior Dimensions

Coupe

Sedan

Seating capacity (front / rear)

Front
2
2
Rear
3
3

Head room (in / mm)

Front
38.3 / 972.8
38.3 / 972.8
Rear
37.3 / 944.9
37.6 / 955

Leg room (in / mm)

Front
42.1 / 1069
42.1 / 1069
Rear
35.5 / 901.7
35.5 / 901.7

Shoulder room
(in / mm)

Front
53.7 / 1364
53.6 / 1361
Rear
55 / 1397
52.8 / 1341

Hip room (in / mm)

Front
52.4 / 1331
52.6 / 1336
Rear
49.3 / 1252
52.4 / 1331

Capacities
2003 Pontiac Grand Am
EPA passenger volume (cu ft / liters)
coupe: 92.2 / 2611
sedan: 90.1 / 2551
EPA interior volume (cu ft / liters)
coupe: 107.3 / 3038
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
3400 V6: 4.5 / 4.3
Cooling system (qts / liters)
four-cylinder: 10 / 9.5
3400 V6: 12.5 / 11.8