GMC Sonoma GMC Sonoma

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GMC Sonoma repairs by problem area

Engine (63%)

Transmission and Drivetrain (0%)

Brakes and Traction Control (0%)

Suspension and Steering (0%)

Electrical and Air Conditioning (25%)

Paint, Rust, Leaks, Rattles, and Trim (13%)

Other (0%)

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Chart based on 8 repairs.
See TSBs and recalls for the GMC Sonoma.

GMC Sonoma repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (25%)

$100 - $499 (38%)

< $100 (38%)

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Chart based on 8 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 GMC Sonoma 3dr Extended Cab 6ft bed

180-horsepower 4.3L V6 4-speed automatic RWD

GMC Sonoma in Florida, United States
- Feb 2013
Aug 2012

97000 mi

US $15
2nd time replacing third door handle. 1st replacement was ebay metal handle which was very strudy and good. New metal handle snapped old plastic housing instead. Metal reused, plastic housing taken from another broken handle. 
Feb 2013

100041 mi

US $26
old Pump leaked out weephole. Installed new pump. "New pump may leek out weephole as temp break in period". It did for a bit, but normal op. It also leaks between stainless tubes where they are pressed into housing. needs replaced again. 

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2002 GMC Sonoma 3dr Extended Cab 6ft bed

120-horsepower 2.2L I4 4-speed automatic RWD

GMC Sonoma in North Dakota, United States
- Jul 2010
Mar 2010

194000 mi

US $300
O2 sensor replaced 
Jun 2010

120000 mi

US $350
radiator replaced because of a crack. and thermostat changed 

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2001 GMC Sonoma 3dr Extended Cab 6ft bed

180-horsepower 4.3L V6 4-speed automatic RWD

GMC Sonoma in Alabama, United States
- Sep 2014
Sep 2014

159000 mi

US $42
Window Regulator was ordered from internet. Got it within 3 days. Installation involved removing door panel. and drilling out rivets to remove old motor. Installed new motor and reassembled door panel. Window works great. 

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1999 GMC Sonoma

6-cylinder automatic 2WD

GMC in Oklahoma, United States
Jun 2017 - Jan 2019
Jul 2017

86000 mi

US $600
A/C compressor used car dealer installed failed. Compressor was parts store brand. Replaced with Delphi unit. 
Nov 2018

89500 mi

US $250
Replace radiator due to crack in plastic tank. Verified that the replaced radiator was original to the vehicle 
Jan 2019

90000 mi

US $770
Replace intake manifold gaskets due to coolant leaks. This is known issue with the 4.3 V6 and is due to poor gasket design by the manufacturer. 

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GMC Sonoma 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 GMC Sonoma problems occur, check out our car reliability stats.