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2003 GMC SIERRA 1500

20 trims available · 13–16 MPG · 200–325 HP

Standout Trims

2003 HIGHLIGHTS

Best Value

Work Truck

$19,150 MSRP

MyCar Score™66.5Look Up VIN →
Best Fuel Economy

Base

16 MPG combined

MyCar Score™66.5Look Up VIN →
Most Powerful

Denali

325 HP

MyCar Score™63.3Look Up VIN →

Full History Report

Buying a 2003 GMC Sierra 1500?

4 recalls have been issued for this model year. Check its history before you buy.

A vehicle history report shows accidents, ownership history, and service records.

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Trim Levels

ALL 2003 GMC SIERRA 1500 TRIMS

SLE

Top Rated
MyCar Score™66.8

Body

Truck (Regular Cab)

MPG

15

HP

270

Seats

3

MSRP

$23,740

Drive

rear wheel drive

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SLE

MyCar Score™66.7

Body

Truck (Regular Cab)

MPG

15

HP

270

Seats

3

MSRP

$24,040

Drive

rear wheel drive

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Base

MyCar Score™66.5

Body

Truck (Regular Cab)

MPG

16

HP

200

Seats

3

MSRP

$19,362

Drive

rear wheel drive

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Work Truck

MyCar Score™66.5

Body

Truck (Regular Cab)

MPG

16

HP

200

Seats

3

MSRP

$19,150

Drive

rear wheel drive

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Base

MyCar Score™66.4

Body

Truck (Regular Cab)

MPG

16

HP

200

Seats

3

MSRP

$19,662

Drive

rear wheel drive

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Base

MyCar Score™66.2

Body

Truck (Extended Cab)

MPG

15

HP

270

Seats

6

MSRP

$24,902

Drive

rear wheel drive

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Base

MyCar Score™66.1

Body

Truck (Extended Cab)

MPG

15

HP

285

Seats

6

MSRP

$26,002

Drive

rear wheel drive

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Base

MyCar Score™66.1

Body

Truck (Regular Cab)

MPG

14

HP

270

Seats

3

MSRP

$24,252

Drive

four wheel drive

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Work Truck

MyCar Score™66.1

Body

Truck (Regular Cab)

MPG

14

HP

270

Seats

3

MSRP

$24,040

Drive

four wheel drive

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SLE

MyCar Score™65.9

Body

Truck (Extended Cab)

MPG

15

HP

270

Seats

6

MSRP

$27,547

Drive

rear wheel drive

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Base

MyCar Score™65.9

Body

Truck (Regular Cab)

MPG

14

HP

270

Seats

3

MSRP

$24,552

Drive

four wheel drive

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Work Truck

MyCar Score™65.7

Body

Truck (Extended Cab)

MPG

16

HP

200

Seats

6

MSRP

$23,600

Drive

rear wheel drive

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SLE

MyCar Score™65.7

Body

Truck (Extended Cab)

MPG

15

HP

285

Seats

6

MSRP

$28,647

Drive

rear wheel drive

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SLE

MyCar Score™65.5

Body

Truck (Regular Cab)

MPG

14

HP

270

Seats

3

MSRP

$28,390

Drive

four wheel drive

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SLE

MyCar Score™65.4

Body

Truck (Regular Cab)

MPG

14

HP

270

Seats

3

MSRP

$28,090

Drive

four wheel drive

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Base

MyCar Score™65.2

Body

Truck (Extended Cab)

MPG

14

HP

270

Seats

6

MSRP

$27,907

Drive

four wheel drive

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Base

MyCar Score™65.1

Body

Truck (Extended Cab)

MPG

14

HP

285

Seats

6

MSRP

$29,007

Drive

four wheel drive

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SLE

MyCar Score™64.8

Body

Truck (Extended Cab)

MPG

14

HP

270

Seats

6

MSRP

$30,652

Drive

four wheel drive

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SLE

MyCar Score™64.7

Body

Truck (Extended Cab)

MPG

14

HP

285

Seats

6

MSRP

$31,752

Drive

four wheel drive

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Denali

MyCar Score™63.3

Body

Truck (Extended Cab)

MPG

13

HP

325

Seats

5

MSRP

$44,255

Drive

all wheel drive

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At a Glance

KEY SPECS

Body Type

Truck (Regular Cab), Truck (Extended Cab)

MPG Range

13–16 MPG

HP Range

200–325 HP

Seating

Up to 3

Fuel Type

regular unleaded

Drive Type

rear wheel drive

Towing

8,400 lbs

Specs: NHTSA vPIC databaseSafety: NHTSA Complaints & RecallsFuel economy: EPAMyCar Score™: mycarneedsthis.com independent rating

Dimensions & Comfort

SPACE & COMFORT

Based on the top-rated 2003 Sierra 1500 trim.

Exterior Dimensions

Length

203.2 in

Width

78.5 in

Height

71.2 in

Wheelbase

119 in

Interior Dimensions

Front Headroom

41 in

Front Legroom

41.3 in

Cargo & Capacity

Towing

8,400 lbs

Curb Weight

4,142 lbs

Safety & Warranty

PROTECTION & COVERAGE

Safety Ratings

NHTSA Overall

Not tested by NHTSA

Open Recalls

4 recalls

Source: NHTSA New Car Assessment Program. nhtsa.gov/ratings

Warranty Coverage

Basic Coverage

3 yr./ 36000 mi.

Drivetrain

3 yr./ 36000 mi.

Roadside Assistance

3 yr./ 36000 mi.

Family & Safety

IS THIS A GOOD FAMILY CAR?

Car Seat Usability

    Always have car seat installation checked by a certified technician. Find an inspection station near you →

    LATCH System

    LATCH (Lower Anchors and Tethers for Children) is required on all US vehicles from 2003 onward.

    LATCH anchors required

    Common Questions

    2003 GMC SIERRA 1500 FAQ

    How many recalls does a 2003 GMC Sierra 1500 have?

    The 2003 GMC Sierra 1500 has 4 recalls on record with NHTSA. Always verify current recall status at nhtsa.gov before purchasing.

    What is the fuel economy of a 2003 GMC Sierra 1500?

    The 2003 GMC Sierra 1500 gets 13–16 MPG combined depending on trim level and drivetrain configuration.

    What is the best 2003 GMC Sierra 1500 trim to buy used?

    Based on MyCar Score™ ratings, the SLE trim scores highest at 66.8 out of 100, balancing value, fuel economy, and specifications.

    Is the 2003 GMC Sierra 1500 a good used car?

    The 2003 GMC Sierra 1500 has an average MyCar Score™ of 66 out of 100. MyCar Score™ weighs NHTSA safety ratings, recall history, fuel economy, and value. This is a competitive score for the segment.

    How much does a 2003 GMC Sierra 1500 cost used?

    New MSRP for the 2003 GMC Sierra 1500 ranged from $19,150 to $44,255. Used prices vary by mileage, trim, and condition — run a free VIN lookup to check a specific vehicle.