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
$29,007
Starting MSRP
Current listing price
Current listing price
Showing the 2003 GMC Sierra 1500 Ext Cab 157.5" WB 4WD
Shop NowKey specs
Color options
Interior
Taupe
Sage
Pewter Gray
Packages
$0
Starting MSRP
- base vehicle only
Specifications
Highlights
|
Gas V8
Engine Type
|
|
14 City / 18 Hwy
MPG
|
|
285 hp
270 hp Horsepower
|
|
6
Seating Capacity
|
Brakes
|
Not Available
Drum - Rear (Yes or )
|
|
12.8 x 0.78 in
Rear Brake Rotor Diam x Thickness
|
|
12.0 x 1.10 in
Front Brake Rotor Diam x Thickness
|
|
Yes
Disc - Rear (Yes or )
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|
Yes
Disc - Front (Yes or )
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|
Not Available
Brake ABS System (Second Line)
|
|
Four-Wheel
Brake ABS System
|
|
Pwr
Brake Type
|
Electrical
|
600
Cold Cranking Amps @ 0° F (Primary)
|
|
105
Maximum Alternator Capacity (amps)
|
Engine
|
Gas V8
Engine Type
|
|
5.3L/325
Displacement
|
|
285 @ 5200
SAE Net Horsepower @ RPM
|
|
325 @ 4000
SAE Net Torque @ RPM
|
|
Transmission Overdrive Switch
A/T 4-Speed A/T Transmission Options
|
|
14 City / 18 Hwy
MPG
|
|
13.6 qts
Total Cooling System Capacity
|
Measurements
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N/A
Ext'd Cab Cargo Volume
|
|
71 ft³
Cargo Volume
|
|
61 in
Front Hip Room
|
|
38 in
Second Head Room
|
|
34 in
Second Leg Room
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|
66 in
Second Shoulder Room
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|
62 in
Second Hip Room
|
|
158 in
Wheelbase
|
|
247 in
Length, Overall w/o rear bumper
|
|
N/A
Length, Overall w/rear bumper
|
|
N/A
Length, Overall
|
|
79 in
Width, Max w/o mirrors
|
|
74 in
Height, Overall
|
|
37 in
Overhang, Front
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|
52 in
Overhang, Rear w/o bumper
|
|
N/A
Cab to End of Frame
|
|
33 in
Ground to Top of Load Floor
|
|
6
Passenger Capacity
|
|
9 in
Ground Clearance, Front
|
|
9 in
Ground Clearance, Rear
|
|
98 in
Cargo Box Length @ Floor
|
|
65 in
Tailgate Width
|
|
20 in
Cargo Box (Area) Height
|
|
50 in
Cargo Box Width @ Wheelhousings
|
|
65 in
Cargo Box Width @ Floor
|
|
65 in
Cargo Box Width @ Top, Rear
|
|
65 in
Front Shoulder Room
|
|
41 in
Front Leg Room
|
|
41 in
Front Head Room
|
Steering
|
51 ft
Turning Diameter - Curb to Curb
|
|
N/A
Steering Ratio (:1), Overall
|
|
Pwr
Steering Type
|
|
N/A
Turning Diameter - Wall to Wall
|
Suspension
|
Torsion Bar
Suspension Type - Front
|
|
2-Stage Multi-Leaf
Suspension Type - Rear
|
|
Independent
Axle Type - Front
|
|
Semi-Floating
Axle Type - Rear
|
Tires & Wheels
|
Steel
Spare Wheel Material
|
|
Steel
Rear Wheel Material
|
|
Steel
Front Wheel Material
|
|
P245/75R16
Front Tire Size
|
|
P245/75R16
Rear Tire Size
|
|
P245/75R16
Spare Tire Size
|
|
16 x 7 in
Front Wheel Size
|
|
16 x 7 in
Rear Wheel Size
|
|
16 x 7 in
Spare Wheel Size
|
Weight & Capacity
|
6,400 lbs
Gross Vehicle Weight Rating
|
|
0 lbs
Total Option Weight
|
|
4,920 lbs
Curb Weight
|
|
7,675 lbs
Gross Axle Weight Rating
|
|
N/A
Base Curb Weight
|
|
3,000 lbs
Curb Weight - Front
|
|
1,920 lbs
Curb Weight - Rear
|
|
0 lbs
Option Weight - Front
|
|
0 lbs
Option Weight - Rear
|
|
4,920 lbs
As Spec'd Curb Weight
|
|
1,480 lbs
As Spec'd Payload
|
|
1,480 lbs
Maximum Payload Capacity
|
|
13,000 lbs
Gross Combined Wt Rating
|
|
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
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500 lbs
Dead Weight Hitch - Max Tongue Wt.
|
|
7,700 lbs
Wt Distributing Hitch - Max Trailer Wt.
|
|
770 lbs
Wt Distributing Hitch - Max Tongue Wt.
|
|
6,800 lbs
Fifth Wheel Hitch - Max Trailer Wt.
|
|
1,020 lbs
Fifth Wheel Hitch - Max Tongue Wt.
|
|
N/A
Maximum Trailering Capacity
|
|
Not Available gal
Aux Fuel Tank Capacity, Approx
|
|
34 gal
Fuel Tank Capacity, Approx
|
Compare trims
Wondering which trim is right for you?
Our 2003 GMC Sierra 1500 trim comparison will help you decide.