2003 GMC Sierra 1500 specs & colors
Extended Cab Pickup
MSRP
- Reg Cab 133.0" WB Work Truck
- $19,150
- Reg Cab 119.0" WB
- $19,362
- Reg Cab 133.0" WB
- $19,662
- Ext Cab 143.5" WB Work Truck
- $23,600
- Reg Cab 119.0" WB SLE
- $23,740
- Reg Cab 133.0" WB SLE
- $24,040
- Reg Cab 133.0" WB 4WD Work Truck
- $24,040
- Reg Cab 119.0" WB 4WD
- $24,252
- Reg Cab 133.0" WB 4WD
- $24,552
- Ext Cab 143.5" WB
- $24,902
- Ext Cab 157.5" WB
- $26,002
- Ext Cab 143.5" WB SLT
- $27,547
- Ext Cab 143.5" WB SLE
- $27,547
- Ext Cab 143.5" WB 4WD
- $27,907
- Reg Cab 119.0" WB 4WD SLE
- $28,090
- Reg Cab 133.0" WB 4WD SLE
- $28,390
- Ext Cab 157.5" WB SLT
- $28,647
- Ext Cab 157.5" WB SLE
- $28,647
- Ext Cab 157.5" WB 4WD
- $29,007
- Ext Cab 143.5" WB 4WD SLT
- $30,652
- Ext Cab 143.5" WB 4WD SLE
- $30,652
- Crew Cab 153.0" WB SLT
- $31,093
- Crew Cab 153.0" WB SLE
- $31,093
- Ext Cab 157.5" WB 4WD SLT
- $31,752
- Ext Cab 157.5" WB 4WD SLE
- $31,752
- Crew Cab 153.0" WB 4WD SLT
- $34,505
- Crew Cab 153.0" WB 4WD SLE
- $34,505
- Ext Cab 143.5" WB
- $44,255
$44,255
Starting MSRP
Current listing price
Current listing price
Showing the 2003 GMC Sierra 1500 Ext Cab 143.5" WB
Shop NowKey specs
Color options
Interior
Taupe
Graphite
Pewter Gray
Packages
$0
Starting MSRP
Specifications
Highlights
|
Gas V8
Engine Type
|
|
12 City / 16 Hwy
MPG
|
|
325 hp
Horsepower
|
|
5
Seating Capacity
|
Brakes
|
12.1 x 1.10 in
Front Brake Rotor Diam x Thickness
|
|
Yes
Disc - Rear (Yes or )
|
|
Not Available
Brake ABS System (Second Line)
|
|
Yes
Disc - Front (Yes or )
|
|
Pwr
Brake Type
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|
Not Available
Drum - Rear (Yes or )
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|
Four-Wheel
Brake ABS System
|
|
12.8 x 0.78 in
Rear Brake Rotor Diam x Thickness
|
Electrical
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145
Maximum Alternator Capacity (amps)
|
|
600
Cold Cranking Amps @ 0° F (Primary)
|
Engine
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370 @ 4000
SAE Net Torque @ RPM
|
|
325 @ 5000
SAE Net Horsepower @ RPM
|
|
6.0L/364
Displacement
|
|
Gas V8
Engine Type
|
|
Transmission Overdrive Switch
A/T 4-Speed A/T Transmission Options
|
|
12 City / 16 Hwy
MPG
|
|
15.4 qts
Total Cooling System Capacity
|
Measurements
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N/A
Cab to End of Frame
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|
33 in
Ground to Top of Load Floor
|
|
8 in
Ground Clearance, Front
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|
8 in
Ground Clearance, Rear
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|
N/A
Ext'd Cab Cargo Volume
|
|
57 ft³
Cargo Volume
|
|
64 in
Tailgate Width
|
|
20 in
Cargo Box (Area) Height
|
|
50 in
Cargo Box Width @ Wheelhousings
|
|
65 in
Cargo Box Width @ Floor
|
|
64 in
Cargo Box Width @ Top, Rear
|
|
79 in
Cargo Box Length @ Floor
|
|
228 in
Length, Overall w/o rear bumper
|
|
N/A
Length, Overall w/rear bumper
|
|
N/A
Length, Overall
|
|
74 in
Height, Overall
|
|
37 in
Overhang, Front
|
|
47 in
Overhang, Rear w/o bumper
|
|
84 in
Width, Max w/o mirrors
|
|
144 in
Wheelbase
|
|
62 in
Second Hip Room
|
|
66 in
Second Shoulder Room
|
|
34 in
Second Leg Room
|
|
38 in
Second Head Room
|
|
61 in
Front Hip Room
|
|
65 in
Front Shoulder Room
|
|
41 in
Front Leg Room
|
|
41 in
Front Head Room
|
|
5
Passenger Capacity
|
Steering
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37 ft
Turning Diameter - Curb to Curb
|
|
N/A
Turning Diameter - Wall to Wall
|
|
N/A
Steering Ratio (:1), Overall
|
|
Pwr
Steering Type
|
Suspension
|
Semi-Floating
Axle Type - Rear
|
|
Independent
Axle Type - Front
|
|
4-Stage Multi-Leaf
Suspension Type - Rear
|
|
Torsion Bar
Suspension Type - Front
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Tires & Wheels
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Steel
Spare Wheel Material
|
|
Aluminum
Rear Wheel Material
|
|
Aluminum
Front Wheel Material
|
|
16 x 6.5 in
Spare Wheel Size
|
|
17 x 7 in
Rear Wheel Size
|
|
17 x 7 in
Front Wheel Size
|
|
P265/75R16
Spare Tire Size
|
|
P265/70R17
Rear Tire Size
|
|
P265/70R17
Front Tire Size
|
Weight & Capacity
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7,200 lbs
Gross Vehicle Weight Rating
|
|
0 lbs
Total Option Weight
|
|
4,797 lbs
Curb Weight
|
|
7,925 lbs
Gross Axle Weight Rating
|
|
Not Available gal
Aux Fuel Tank Capacity, Approx
|
|
26 gal
Fuel Tank Capacity, Approx
|
|
N/A
Maximum Trailering Capacity
|
|
1,380 lbs
Fifth Wheel Hitch - Max Tongue Wt.
|
|
9,200 lbs
Fifth Wheel Hitch - Max Trailer Wt.
|
|
1,000 lbs
Wt Distributing Hitch - Max Tongue Wt.
|
|
10,000 lbs
Wt Distributing Hitch - Max Trailer Wt.
|
|
600 lbs
Dead Weight Hitch - Max Tongue Wt.
|
|
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
|
|
14,000 lbs
Gross Combined Wt Rating
|
|
2,403 lbs
Maximum Payload Capacity
|
|
2,403 lbs
As Spec'd Payload
|
|
4,797 lbs
As Spec'd Curb Weight
|
|
0 lbs
Option Weight - Rear
|
|
0 lbs
Option Weight - Front
|
|
1,884 lbs
Curb Weight - Rear
|
|
2,913 lbs
Curb Weight - Front
|
|
N/A
Base Curb Weight
|
Compare trims
Wondering which trim is right for you?
Our 2003 GMC Sierra 1500 trim comparison will help you decide.