2008 GMC Sierra HD GMC Sierra HD 2008

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2008 GMC Sierra HD repairs by problem area

Engine (26%)

Transmission and Drivetrain (16%)

Brakes and Traction Control (5%)

Suspension and Steering (5%)

Electrical and Air Conditioning (37%)

Paint, Rust, Leaks, Rattles, and Trim (5%)

Other (5%)

Chart based on 19 repairs.
See TSBs and recalls for the 2008 GMC Sierra HD.

2008 GMC Sierra HD repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (0%)

$100 - $499 (13%)

< $100 (88%)

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

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.

2008 GMC Sierra HD

Engine not specified

GMC in Wisconsin, United States
May 2012 - May 2014
Jul 2013

54500 mi
left low beam headlamp 
GMC in Rhode Island, United States
Apr 2014 - Aug 2014
Aug 2014

73000 mi
Glow plug non functioning check engine light on. 4th glow plug to be replaced. 
GMC in Florida, United States
May 2012 - Sep 2014
Feb 2013

98600 mi
Water pump leak. 
Sep 2013

107000 mi
The battery cable on the passenger side corroded far into the cable lining. This cable is about 5 feet long and connects to different parts...cable not in stock. Will get it later. 
Mar 2014

123000 mi

US $300
Replaced two glow plugs in diesel engine. 
Jul 2014

131000 mi
Worn out seal. 

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2008 GMC Sierra HD 4-door

8-cylinder automatic 2WD

GMC in Texas, United States
Mar 2018 - Feb 2022
Apr 2018

108278 mi

US $80
Both front door speakers have been non-functional for a long time. I finally got new marine approved speakers to replace them along with speaker baffles so hopefully the rain won't damage them again. 
Jan 2022

136000 mi
The tailgate release is no longer functional and tailgate cannot be lowered. 

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2007.5 GMC Sierra HD

Engine not specified

GMC in Alberta, Canada
May 2012 - Jan 2017
Jul 2012

57040 mi

C $200
Replaced worn out shock absorbers 
Jan 2017

83700 mi

C $300
Paint peeling throughout the body of the truck. Rust above box fenderwells. Bad primer at factory or issue with water based paint. rnWhole truck to be stripped to bare metall and repainted estimated $$10K. Will have to do most work myself. 
GMC in Saskatchewan, Canada
May 2012 - Mar 2016
Sep 2012

43400 mi

C $176
Clicking when starting, error code, running rough 
Oct 2012

44000 mi
Cleaned ground connections on block 
Apr 2015

60960 mi

C $50
Brake controller was causing a power drain 
GMC in Alberta, Canada
May 2012 - Apr 2016
Dec 2012

50220 mi

C $210
New starter 
Aug 2015

74280 mi

C $185
Tire Carrier siezed, cut off, replaced 
Nov 2015

75500 mi

C $600
Front Axle seals leaking (both sides) 

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2007.5 GMC Sierra HD 4-door

turbocharged 8-cylinder diesel automatic AWD

GMC in Alberta, Canada
Jan 2016 - Jun 2022
Apr 2017

113460 mi
Replace one glow plug with a good used one. 
May 2017

120900 mi

C $34
Transfer case output shaft seal 
Mar 2022

140740 mi

C $30
E brake cable broke ; I replaced both cables ,and brake pads and rotters 

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2008 GMC Sierra HD 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 2008 GMC Sierra HD problems occur, check out our car reliability stats.