NHTSA Complaint #11439841 — 2020 GMC TERRAIN

ENGINE issue reported to NHTSA

Check any vehicle history by VIN - Free vehicle history report

Complaint Details

ODI Number	11439841
Vehicle	2020 GMC TERRAIN
Component	ENGINE
Date of Incident	September 27, 2021
Date Filed	November 9, 2021
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MI

Consumer Description

loss of oil due to engine defect and need new engine. engine and car at dealership. engine has not been torn apart to find cause. occupants could have died because of engine stoppage... GM wants owner to pay over 15,000 for new engine and instillation. car under new car warranty has 24211 miles. no early warning lights of low oil.... Owner took car in immediately when warning lights appeared 9-27-21 and GMC dealership improperly serviced . on 10-14-21 same warning lights reappeared and taken immediately to same close dealership. Now told new engine needed.

Related Complaints for the 2020 GMC TERRAIN

Other ENGINE Complaints

#11713540 — January 27, 2026 — I noticed a sticker in driver door stating recall however no evidence. The vehicle will not pull hills, back up on a ...

#11706001 — December 18, 2025 — This message concerns a persistent engine light that activates and generates engine code P0299, indicating an engine ...

#11705510 — December 17, 2025 — The intercooler has been a document problem on GMC Terrains for awhile now. I had my intercooler replaced and now les...

#11700718 — November 21, 2025 — My a/c went out within 2 years of having the car in 22’. In 2025 i have had nothing but problems, the radio will go o...

#11695299 — October 23, 2025 — From a complete stop my car refused to accelerate no matter how much I pushed the gas pedal. I was pulling into traff...

Recent Complaints for the 2020 GMC TERRAIN

#11716636 — ELECTRICAL SYSTEM — February 9, 2026 — The contact owns a 2020 GMC Terrain. The contact stated that while driving in cold weather at various speeds; moistur...

#11714544 — UNKNOWN OR OTHER — January 30, 2026 — I own a 2020 GMC Terrain with approximately 110,000 miles. While driving in winter, the vehicle suddenly lost cabin h...

#11713540 — FUEL/PROPULSION SYSTEM — January 27, 2026 — I noticed a sticker in driver door stating recall however no evidence. The vehicle will not pull hills, back up on a ...

#11713540 — STRUCTURE:BODY — January 27, 2026 — I noticed a sticker in driver door stating recall however no evidence. The vehicle will not pull hills, back up on a ...

#11709184 — SERVICE BRAKES — January 6, 2026 — While driving down the interstate a notice popped up on my dash about the brake assist. When I attempted to slow dow...