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GMC TerrainModel year report

2023 GMC Terrain Problems

Compared with other GMC Terrain years

Fewer complaints than typical for this model

11/100 0.4× a typical year · 50 = typical

Based only on NHTSA complaints, recalls and investigations. Not adjusted for how many vehicles were sold, and not a reliability rating. How this is calculated

Complaints
41filed with NHTSA
Median mileage
25,500miles, 8 complaints with mileage
Recalls
2campaigns on record
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA crash rating
5 / 5stars overall, 2 rated versions
EPA fuel economy
26 mpgcombined, 1.5L 4-cyl FWD · 24 city / 29 hwy

Sources: NHTSA records for the 2023 GMC Terrain (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error

NHTSA recorded 41 consumer complaints for the 2023 GMC Terrain. The part named most often is fuel system, with 22 complaints (54% of the total), followed by engine (15) and transmission and drivetrain (8). 8 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 25,500 miles. Of all complaints, 2 involved a crash, 1 a fire, 1 an injury, according to the filers. NHTSA lists 2 recall campaigns and 461 technical service bulletins for this model year. Fuel system complaints overlap with 22 technical service bulletins filed under the same part. Engine complaints overlap with 46 technical service bulletins filed under the same part. Compared with the other 13 GMC Terrain model years that have at least 25 complaints and are old enough to compare, this one scores 11 out of 100, where 50 is a typical year for the model (fewer complaints than typical for this model). The comparison allows for the era and for how long each year has had to collect complaints, but not for how many vehicles were sold.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Also reported: Engine cooling (1), Seat belts (1), Steering (1), Body and structure (1), Visibility (wipers, defrost, mirrors) (1).

Example complaints

Fuel system: “I have had 2 different instances where my vehicle stops in the middle of a busy intersection or traffic and have no warning what so ever. Vehicle just shuts off and I am not able to turn back on to move out of the way. First time I got it repaired it was related to the fuel pump and now I am waiting to hear back from my mechanic to see what the issue is but so far it is an indication of the fuel pump as well. …”

NHTSA complaint #11741516, filed 2026-06

Engine: “Took dealer 3/26 for Sam issue Engine Power reduced after already cause me hit curb. Got it out 4/1/26 Now 4/5/26 it happened again same codes after they claimed they fixed it. Also keep having Emergency services come on a caused my dashboard out. My issues is car keeps stalling losing power. Same codes as week ago after dealer fix. Also 4 time took for noises in my car from passenger side. They keep telling me they can’t replicate it, but you can clearly see where the door is not lined up. This has been going on for over 30,000 miles for that. …”

NHTSA complaint #11729391, filed 2026-04

Transmission and drivetrain: “Out of nowhere and driving this morning, my engine reduced power came on. Then I started losing power in the car then it died on me once out of nowhere. I managed to make it home an hour and a half later, but that could’ve got me killed stopped by AutoZone since dealerships closed today and it tells me that it’s code P228C, P0089 fuel pump. And then last night my emergency service calling came on which one I looked it up so something to do with OnStar and could be a module so I’m not sure what that is. …”

NHTSA complaint #11726152, filed 2026-03

Electrical system: “Took dealer 3/26 for Sam issue Engine Power reduced after already cause me hit curb. Got it out 4/1/26 Now 4/5/26 it happened again same codes after they claimed they fixed it. Also keep having Emergency services come on a caused my dashboard out. My issues is car keeps stalling losing power. Same codes as week ago after dealer fix. Also 4 time took for noises in my car from passenger side. They keep telling me they can’t replicate it, but you can clearly see where the door is not lined up. This has been going on for over 30,000 miles for that. …”

NHTSA complaint #11729297, filed 2026-04

Mileage when problems were reported

100% of the 8 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 13,000 and 35,600 miles.

13%0–1038%10–2550%25–500%50–750%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (8 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 25,500 miles.

Complaints by year filed

This model year is less than 4 years old, so a trend is not meaningful yet.

202320242025202623
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Crash test ratings

NHTSA's 5-Star Safety Ratings for the 2023 GMC Terrain. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.

VersionOverallFrontalSideSide poleRollover
Terrain · SUV AWD★★★★★5 / 5554 · 16.4% risk
Terrain · SUV FWD★★★★★5 / 5554 · 18.5% risk

Driver aids listed by NHTSA for the 2023 model year: forward collision warning standard, lane departure warning standard, automatic emergency braking standard.

Neighbouring years: 2022: same overall rating; 2024: same overall rating. A redesign between years can change both the car and the test.

Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.

Fuel economy and running cost

EPA ratings for each 2023 GMC Terrain version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
Terrain AWD1.5L 4-cyl9-speed automatic242826$2,600
Terrain FWD1.5L 4-cyl9-speed automatic242926$2,600

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2023 GMC Terrain → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 461 on record; the latest 10 are shown.

See all 461 bulletins →

Other model years of the GMC Terrain

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2026333,0001—27Too new to compareToo new
2025131,1260—27—Too new
2024538,3831526Too new to compareToo new
20234125,500252611 · FewerToo new
20226049,00025270 · FewerRising
20213657,42225272 · FewerRising
202019747,734252758 · TypicalRising
201918719,500352869 · MoreRising
201822618,75054–52887 · MoreRising
201713548,85014259 · FewerRising
201615351,000242619 · FewerStable
201529965,000342648 · TypicalFalling
201429779,000242639 · TypicalFalling
201336577,550342652 · TypicalFalling
201236481,320442658 · TypicalFalling
201138679,000442083 · MoreFalling
201029073,9253—2659 · TypicalFalling

All GMC Terrain model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2023 GMC Terrain have?

NHTSA recorded 41 consumer complaints for the 2023 GMC Terrain as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2023 GMC Terrain is reported most often?

Fuel system is named most often, in 22 complaints (54% of the total), followed by engine with 15.

Has the 2023 GMC Terrain been recalled?

NHTSA lists 2 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

How did the 2023 GMC Terrain do in NHTSA crash tests?

NHTSA's 5-Star Safety Ratings give the 2023 GMC Terrain 5 out of 5 stars overall, across 2 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.

What gas mileage does the 2023 GMC Terrain get?

The EPA rates the 2023 GMC Terrain (Terrain FWD, 1.5L 4-cyl) at 26 mpg combined, 24 city and 29 highway, with an estimated annual fuel cost of $2,600 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2023 GMC Terrain reported?

Among the 8 complaints that include a mileage, the median is 25,500 miles and the middle half falls between 13,000 and 35,600 miles; 100% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.