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#BS-2018-GMCSIE-11ED2018 Gmc Sierra 2500
Based on reports from 43 owners and 5 recalls for this exact model.
Preliminary Verdict
Proceed with Caution
Based on 43 complaints, 0 crashes, 2 fires, and 5 recalls.
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Mechanic Inspection Checklist
7 owners reported engine issues — failures commonly reported around 12K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (10 reports) • Median: 12K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Engine (7 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2018 Gmc Sierra 2500: Known Issues & Problem Areas
Engine Issues
Engine complaints account for 16% of all reports filed for the 2018 Gmc Sierra 2500, with 7 owners filing complaints with NHTSA. The median mileage at time of complaint is 12,000 miles, suggesting issues tend to surface around the 12K-mile mark.
Electrical Issues
Electrical complaints account for 14% of all reports filed for the 2018 Gmc Sierra 2500, with 6 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.
Fuel System Issues
Fuel System complaints account for 12% of all reports filed for the 2018 Gmc Sierra 2500, with 5 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.
Lights Issues
Lights complaints account for 9% of all reports filed for the 2018 Gmc Sierra 2500, with 4 owners filing complaints with NHTSA. Owners should pay attention to lights-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2018 Gmc Sierra 2500. Recent trend: decreasing.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (5 recalls)
SEAT BELTS:FRONT:RETRACTOR
General Motors (GM) is recalling certain 2017-2018 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 trucks. The front seat belt retractor assemblies were built with the incorrect torsion bar. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 209, "Seat Belt Assemblies."
ENGINE
General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 4500, 5500 and 6500 vehicles and 2017-2019 Chevrolet Silverado 2500 and 3500 vehicles and GMC Sierra 2500 and 3500 vehicles equipped with Duramax 6.6 liter diesel engines and an optional engine-block heater. The engine block heater cord or the terminals that connect the heater cord to the block heater may short circuit and fail.
EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500 and 2017-2019 GMC Sierra 2500 and 3500 vehicles equipped with a Duramax diesel 6.6 liter engine and an optional engine-block heater cord. An electrical short-circuit may occur in the engine-block heater cable or in the terminals that connect the heater cable to the block heater.
FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles equipped with a dual fuel tank option. The rear fuel tank may collapse and prevent the fuel pump from transferring fuel to the front tank, resulting in an engine stall.
AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2018-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 Crew Cab trucks. The left or right-side roof-rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 43 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 5 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Gmc Sierra 2500 Model Years
2018 Gmc Sierra 2500: Frequently Asked Questions
What is the most common problem with the 2018 Gmc Sierra 2500?
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Does the 2018 Gmc Sierra 2500 have any recalls?
What mileage do Gmc Sierra 2500 problems start?
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Get the Full 2018 Gmc Sierra 2500 Report
10 sections of AI analysis based on 43 owner reports. Know before you buy.