VehicleVerdict

2018 GMC Terrain engine problems

The 2018 GMC Terrain has 51 engine complaints filed with NHTSA — 16% of the year's total, and down from the prior model year.

51

Engine complaints

16%

Share of year

0

Crash-involved

0

Related recalls

Engine complaints by year

Terrain engine complaints by model year208 complaints2010: 119 complaints2011: 200 complaints2012: 174 complaints2013: 208 complaints2014: 129 complaints2015: 83 complaints2016: 45 complaints2017: 79 complaints2018: 51 complaints2019: 62 complaints2020: 56 complaints2021: 10 complaints2022: 12 complaints2023: 13 complaints2024: 11 complaints2025: 2 complaints
Terrain engine complaints by model year. Red bars are years to avoid.

What owners report

“TL* THE CONTACT OWNS A 2018 GMC TERRAIN. THE CONTACT STATED THAT THE VEHICLE'S ELECTRICAL SYSTEM FAILED. THE VENTS LOCATED NEAR THE INSTRUMENT PANEL EMITTED A STRONG BURNING ODOR WHEN THE HEATING SYSTEM OR AIR CONDITIONING SYSTEM WAS ACTIVATED. IN ADDITION, THE FRONT END OF THE VEHICLE EXHIBITED A…”

Complaint filed with NHTSA · Engine · July 1, 2018 · fire

Common questions

How many engine complaints does the 2018 GMC Terrain have?

NHTSA has 51 complaints about the 2018 GMC Terrain engine — 16% of all complaints filed for that model year.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.