What's Wrong with the 1st Generation (1990–1993) Sonoma?

Sonoma owners have made 1 complaint about the 1990–1993 model years. Using our PainRank™ system we've ranked it 1st out of 32 GMC generations in overall reliability, with plenty of engine concerns.

Compare With Other Sonoma Generations

What Owners Complain About

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.

Worst Issues

What Breaks the Most

Years to Avoid

1st Generation (1990–1993) Sonoma Key Numbers

  1. 1 model year

    Grouping all models by their year can reveal some baddies.

  2. 1 complaint

    Running tally of owner grievances filed to CarComplaints.com.

  3. 1st in reliability

    Overall reliability rank out of 32 eligible generations.