2003 GMC Sierra 1500 GMC Sierra 1500 2003

We are 103,000+ car owners sharing real-world car information.

Join Us

2003 GMC Sierra 1500 repairs by problem area

Engine (17%)

Transmission and Drivetrain (0%)

Brakes and Traction Control (50%)

Suspension and Steering (17%)

Electrical and Air Conditioning (17%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (0%)

Select a problem area

Need advice about a specific GMC Sierra 1500 problem?

Chart based on 12 repairs.
See TSBs and recalls for the 2003 GMC Sierra 1500.

2003 GMC Sierra 1500 repair cost distribution

$2500+ (0%)

$1000 - $2499 (25%)

$500 - $999 (0%)

$100 - $499 (50%)

< $100 (25%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 12 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 GMC Sierra 1500

Engine not specified

GMC Sierra 1500 in Pennsylvania, United States
Mar 2015 - Mar 2015
Mar 2015

197000 mi

US $399
Fuel lines 

Return to top

2003 GMC Sierra 1500 4dr Extended Cab 6.5ft bed

285-horsepower 5.3L V8 4-speed automatic RWD

GMC Sierra 1500 in Ontario, Canada
Jun 2017 - Jun 2018
May 2018

151900 mi

C $40
Fuel tank strap broken. Replaced 

Return to top

2003 GMC Sierra 1500 4dr Extended Cab 6.5ft bed

285-horsepower 5.3L V8 4-speed automatic 4WD, part-time w/low range

GMC Sierra 1500 in South Dakota, United States
Apr 2014 - Jan 2017
Oct 2015

145000 mi

US $150
new shocks 

Return to top

2003 GMC Sierra 1500 4dr Extended Cab 6.5ft bed

285-horsepower 5.3L V8 4-speed automatic 4WD w/low range

GMC Sierra 1500 in Oregon, United States
Jan 2014 - Jun 2022
May 2014

69000 mi

US $240
Oil senting unit went out....showed I had 80psi when it should of been 40psi 
Jul 2015

75700 mi

US $244
Master Cylinder went out....replaced with new 
Nov 2015

79000 mi

US $32
Blower went out...replaced Blower Motor resister 
Jan 2016

73300 mi

US $350
rear right side rotor cracked....replaced both rear rotors and calipers 
Dec 2018

90000 mi

US $70
Replaced Front brake pads 
Feb 2022

98000 mi

US $1700
Rear Emer. brake system blew apart, replaced all of rear brakes 

Return to top

2003 GMC Sierra 1500 4dr Extended Cab 6.5ft bed

275-horsepower 4.8L V8 4-speed automatic RWD

GMC Sierra 1500 in Alabama, United States
May 2012 - Jun 2018
Aug 2014

103000 mi

US $260
rear caliper sticking. replaced caliper bracket caliper and pads on both rear wheels. 
GMC Sierra 1500 in Alabama, United States
Oct 2013 - Sep 2014
Nov 2013

202700 mi

US $2250
upper & lower ball joints were replaced along with front wheel hub bearings and tie rod ball joints. 

Return to top

2003 GMC Sierra 1500 2dr Regular Cab 6.5ft bed

285-horsepower 5.3L V8 4-speed automatic 4WD, part-time w/low range

GMC Sierra 1500 in New York, United States
Jun 2015 - Dec 2015
Jul 2015

116000 mi

US $1500
Brake line failed, lost all braking. 

Return to top

See TrueDelta's information for all Pickups
See TrueDelta's information for all GMC models.

2003 GMC Sierra 1500 Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2003 GMC Sierra 1500 problems occur, check out our car reliability stats.