The 2nd generation Sierra 3500 started in 2007 and runs to 2013.
Its PainRank™ score of 0.46 ranks 5th out of 32 eligible generations in reliability. Although more complaint data is needed to make this score more accurate. If you have a story to share you can add your complaint here.
Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.
GM allegedly cut corners by installing a fuel pump that isn’t compatible with US diesel in its larger trucks. It’d almost be hard to believe, except we are talking about GM here. The same company that swept a deadly ignition switch problem under the rug for a decade, rather than spend $0.90 per unit to fix it.
Grouping all models by their year can reveal some baddies.
Running tally of owner grievances filed to CarComplaints.com.
Overall reliability rank out of 32 eligible generations.