GMC Sierra 3500
engine Problems
We don't have a lot of GMC Sierra 3500 engine problems on file — feel free to add yours here. The most common Sierra 3500 engine problems occur at 8,000 miles.
The worst model years for engine problems are the 2020 Sierra 3500, 2023 Sierra 3500, and the 2017 Sierra 3500.
Worst GMC Sierra 3500 Engine Problems
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#1: Adaptive Cruise Control Does Not Work 2023 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 0 mi
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#2: Engine Light On 2020 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 6,000 mi
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#3: Glow Plugs Keep Burning Out 2017 Sierra 3500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 18,000 mi