GMC Sierra 3500 Common Problems

The most common GMC Sierra 3500 problems, based on 259 NHTSA owner complaints (2017–2026), are power train, service brakes, electrical system, unknown or other. The 2017 model year has the most complaints (74). Complaints are owner-reported and differ from official recalls — check a specific VIN's recalls and history at vincheck.it.com.

Most-reported GMC Sierra 3500 problem areas
POWER TRAIN81 reports
SERVICE BRAKES58 reports
ELECTRICAL SYSTEM49 reports
UNKNOWN OR OTHER29 reports
ENGINE28 reports
FUEL/PROPULSION SYSTEM12 reports
STEERING10 reports
STRUCTURE10 reports
TIRES8 reports
EXTERIOR LIGHTING6 reports

GMC Sierra 3500 best & worst years (by complaint volume)

Ranked by NHTSA owner-complaint count per model year — a leading reliability signal. The highest-complaint years are worth extra scrutiny; the lowest are the safer bets. Always confirm with a specific VIN's history.

Model yearComplaints
2017 GMC Sierra 350074
2020 GMC Sierra 350045
2024 GMC Sierra 350040
2022 GMC Sierra 350027
2023 GMC Sierra 350026
2021 GMC Sierra 350020
2018 GMC Sierra 350014
2019 GMC Sierra 350012
2026 GMC Sierra 35001

Worst year: 2017 (74 complaints). Best year: 2026 (1).

Complaints by year: 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2026

Frequently asked questions

What are the most common GMC Sierra 3500 problems?

Across 259 NHTSA owner complaints (2017–2026), the most-reported GMC Sierra 3500 problem areas are power train, service brakes, electrical system, unknown or other.

Is the GMC Sierra 3500 reliable?

NHTSA owner complaints are one reliability signal. The GMC Sierra 3500 has 259 on record, most concentrated in the 2017 model year (74). Cross-check recalls and a specific VIN's history before buying.

Which GMC Sierra 3500 years should you avoid?

By NHTSA complaint volume, the 2017 GMC Sierra 3500 draws the most owner complaints (74), while the 2026 has the fewest (1). Complaint counts are one signal — always check a specific VIN's history too.

Which is the most reliable GMC Sierra 3500 year?

Among the years we track, the 2026 GMC Sierra 3500 has the fewest NHTSA complaints (1), a positive reliability signal. Confirm with recalls and the specific vehicle's history before buying.

Do complaints mean the GMC Sierra 3500 was recalled?

Not necessarily. Complaints are individual owner reports; recalls are official safety actions. Check open recalls for a specific GMC Sierra 3500 VIN with our free recall lookup.

GMC Sierra 3500 recalls · GMC Sierra 3500 overview · Full GMC Sierra 3500 VIN history — from $5.12/report

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