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
$24,902
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
Sage
Pewter Gray
Packages
$0
Starting MSRP
- base vehicle only
Specifications
Highlights
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Gas V8
Engine Type
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15 City / 19 Hwy
MPG
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|
285 hp
285 hp 270 hp 200 hp Horsepower
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|
6
Seating Capacity
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Brakes
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Pwr
Brake Type
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Four-Wheel
Brake ABS System
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Not Available
Brake ABS System (Second Line)
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Yes
Disc - Front (Yes or )
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Yes
Disc - Rear (Yes or )
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12.0 x 1.10 in
Front Brake Rotor Diam x Thickness
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12.8 x 0.78 in
Rear Brake Rotor Diam x Thickness
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Not Available
Drum - Rear (Yes or )
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Electrical
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600
Cold Cranking Amps @ 0° F (Primary)
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105
Maximum Alternator Capacity (amps)
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Engine
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Gas V8
Engine Type
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4.8L/293
Displacement
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285 @ 4000
SAE Net Torque @ RPM
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270 @ 5200
SAE Net Horsepower @ RPM
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Transmission Overdrive Switch
A/T 4-Speed A/T Transmission Options
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15 City / 19 Hwy
MPG
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13.6 qts
Total Cooling System Capacity
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Measurements
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41 in
Front Head Room
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41 in
Front Leg Room
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65 in
Front Shoulder Room
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61 in
Front Hip Room
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38 in
Second Head Room
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34 in
Second Leg Room
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66 in
Second Shoulder Room
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62 in
Second Hip Room
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144 in
Wheelbase
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228 in
Length, Overall w/o rear bumper
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N/A
Length, Overall w/rear bumper
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N/A
Length, Overall
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79 in
Width, Max w/o mirrors
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71 in
Height, Overall
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37 in
Overhang, Front
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47 in
Overhang, Rear w/o bumper
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N/A
Cab to End of Frame
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36 in
Ground to Top of Load Floor
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8 in
Ground Clearance, Front
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8 in
Ground Clearance, Rear
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79 in
Cargo Box Length @ Floor
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65 in
Cargo Box Width @ Top, Rear
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65 in
Cargo Box Width @ Floor
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50 in
Cargo Box Width @ Wheelhousings
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20 in
Cargo Box (Area) Height
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65 in
Tailgate Width
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57 ft³
Cargo Volume
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N/A
Ext'd Cab Cargo Volume
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6
Passenger Capacity
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Steering
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45 ft
Turning Diameter - Curb to Curb
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N/A
Turning Diameter - Wall to Wall
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Pwr
Steering Type
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N/A
Steering Ratio (:1), Overall
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Suspension
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Coil Spring
Suspension Type - Front
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2-Stage Multi-Leaf
Suspension Type - Rear
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Independent
Axle Type - Front
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Semi-Floating
Axle Type - Rear
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Tires & Wheels
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P235/75R16
Front Tire Size
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P235/75R16
Rear Tire Size
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P235/75R16
Spare Tire Size
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16 x 7 in
Front Wheel Size
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16 x 7 in
Rear Wheel Size
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16 x 7 in
Spare Wheel Size
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Steel
Front Wheel Material
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Steel
Rear Wheel Material
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Steel
Spare Wheel Material
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Weight & Capacity
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26 gal
Fuel Tank Capacity, Approx
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Not Available gal
Aux Fuel Tank Capacity, Approx
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7,286 lbs
Gross Axle Weight Rating
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4,426 lbs
Curb Weight
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0 lbs
Total Option Weight
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6,200 lbs
Gross Vehicle Weight Rating
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N/A
Base Curb Weight
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2,592 lbs
Curb Weight - Front
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1,834 lbs
Curb Weight - Rear
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0 lbs
Option Weight - Front
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0 lbs
Option Weight - Rear
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4,426 lbs
As Spec'd Curb Weight
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1,774 lbs
As Spec'd Payload
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1,774 lbs
Maximum Payload Capacity
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11,000 lbs
Gross Combined Wt Rating
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5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
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500 lbs
Dead Weight Hitch - Max Tongue Wt.
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6,100 lbs
Wt Distributing Hitch - Max Trailer Wt.
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610 lbs
Wt Distributing Hitch - Max Tongue Wt.
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Not Available lbs
Fifth Wheel Hitch - Max Trailer Wt.
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915 lbs
Fifth Wheel Hitch - Max Tongue Wt.
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N/A
Maximum Trailering Capacity
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Compare trims
Wondering which trim is right for you?
Our 2003 GMC Sierra 1500 trim comparison will help you decide.