2017 Gmc Terrain Safety Report

2017 GMC Terrain: Strong Crash Ratings, but Significant Engine Failure and Oil Consumption Concerns

131Complaints
1Recalls
★★★★☆Safety Rating
45/100Reliability Score
11Crash Reports
2Fire Reports
7Injuries
Most reported components: Engine (54)Power Train (10)Exterior Lighting (7)Unknown Or Other (7)Unknown Or Other,Engine (5)Air Bags (5)Power Train,Electrical System,Engine (3)Electrical System (3)Power Train,Engine (3)Structure (3)

AI Safety Analysis for the 2017 Gmc Terrain

The 2017 GMC Terrain presents a mixed safety picture. While it achieved strong crash test ratings from NHTSA, including 5 stars for side impact and 4 stars for overall, frontal, and rollover safety, its complaint data reveals significant underlying mechanical concerns. With 131 total complaints, 11 crashes, 2 fires, and 7 injuries reported, there's a clear pattern of issues that could compromise safety. The most prominent concern is the engine, accounting for 54 complaints, often related to catastrophic failures, oil consumption, and stalling, which can lead to dangerous situations on the road. The single recall for exterior lighting, specifically headlights causing glare, also highlights a potential safety defect that could increase crash risk for other drivers. The dominant complaint pattern revolves around the 2.4L Ecotec engine, with numerous reports of excessive oil consumption, PCV valve freezing, rear main seal blowouts, and subsequent complete engine failure. These issues are not merely inconveniences; they frequently result in the vehicle stalling or losing power while driving, as evidenced by complaints describing sudden stops on highways and being stranded in dangerous conditions. The severity of these engine problems, coupled with their high frequency in the complaint data, suggests a significant reliability and safety risk. While the vehicle performs well in controlled crash tests, the real-world data indicates a propensity for critical mechanical failures that could lead to accidents or leave occupants in vulnerable situations. In addition to the engine issues, power train complaints are also notable with 10 reports, and exterior lighting has 7 complaints, aligning with the single recall issued for headlight glare. The recall, 'EXTERIOR LIGHTING:HEADLIGHTS,' addresses a reflection issue that could reduce visibility for other drivers, increasing the risk of a crash. This recall affects 2010-2017 GMC Terrain vehicles, indicating a long-standing design flaw. The combination of strong crash test performance with a high volume of severe engine-related complaints and a recall for a visibility-impairing defect paints a picture of a vehicle that, while structurally sound in a crash, may be prone to unexpected breakdowns that could lead to dangerous scenarios.

Reliability Score

The 2017 Gmc Terrain receives a reliability score of 45 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates average reliability — some notable concerns exist that prospective buyers should be aware of.

Known Issues for the 2017 Gmc Terrain

The following issues have been identified from NHTSA complaint data and owner reports for the 2017 Gmc Terrain:

IssueSeverityFrequencyTypical Mileage
Catastrophic Engine Failure (2.4l Ecotec)
Numerous complaints detail sudden engine failure, often due to PCV valve freezing, rear main seal blowout, and excessive oil consumption, leading to stalling while driving.
High Common 80000-90000 miles
Excessive Oil Consumption
Vehicle burns oil rapidly, requiring frequent top-offs and leading to low oil pressure warnings and potential engine damage.
High Common unknown miles
Pcv Valve Freezing/Clogging
PCV valve freezes, causing pressure buildup in the crankcase, leading to rear main seal failure and oil leaks.
High Common unknown miles
Rear Main Seal Blowout
Often a consequence of PCV issues, leading to massive oil loss and potential engine seizure.
High Common unknown miles
Headlight Glare (Recall)
A reflection from headlight housings can cause glare for other drivers, reducing their visibility and increasing crash risk. Subject of a recall.
Medium Common all miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2017 Gmc Terrain:

Engine 41% of complaints

Dominant issues include catastrophic failure, excessive oil consumption, PCV valve freezing, and rear main seal blowouts, often leading to stalling.

Power Train 8% of complaints

Reports of hesitation, shaking, and general malfunction, sometimes linked to engine issues.

Exterior Lighting 5% of complaints

Complaints related to headlights, aligning with the recall for glare.

Air Bags 4% of complaints

Reports of airbag system issues, though specific patterns are not detailed in provided data.

Electrical System 2% of complaints

Issues with infotainment, charging ports, wipers, and blinkers failing simultaneously.

Frequently Asked Questions About the 2017 Gmc Terrain

Is the 2017 GMC Terrain safe?

Based on NHTSA data, the 2017 GMC Terrain received strong crash test ratings (4-star overall, 5-star side). However, it has a significant number of complaints (131 total, 11 crashes, 2 fires, 7 injuries), primarily concerning catastrophic engine failures and excessive oil consumption, which can lead to dangerous stalling while driving. There is also one recall for headlight glare.

What are common problems with the 2017 GMC Terrain?

The most reported issues are related to the ENGINE (54 complaints), including excessive oil consumption, PCV valve freezing, rear main seal blowouts, and complete engine failure. Other common problems involve the POWER TRAIN (10 complaints) and EXTERIOR LIGHTING (7 complaints), which is also subject to a recall.

Are there any recalls for the 2017 GMC Terrain?

Yes, there is one recall for the 2017 GMC Terrain concerning 'EXTERIOR LIGHTING:HEADLIGHTS'. A reflection caused by the headlight housings may illuminate areas above the vehicle and outside of the driver's view, potentially causing glare for other drivers and increasing the risk of a crash.

How does the 2017 GMC Terrain perform in crash tests?

The 2017 GMC Terrain received a 4-star Overall Safety Rating from NHTSA. It scored 4 stars for Frontal Crash, 5 stars for Side Crash, and 4 stars for Rollover safety.

What should I look out for if buying a used 2017 GMC Terrain?

If considering a used 2017 GMC Terrain, be extremely vigilant for signs of engine trouble, particularly excessive oil consumption, check engine lights, or any history of engine stalling or replacement. Inquire about PCV valve and rear main seal service history. Ensure the headlight recall has been addressed.

Buyer Advice

Our recommendation: Despite good crash test ratings, the 2017 GMC Terrain's high volume of severe engine-related complaints, including catastrophic failures and excessive oil consumption, indicates significant reliability and potential safety risks; proceed with extreme caution and a thorough pre-purchase inspection focusing on the engine.

NHTSA Data Summary for 2017 Gmc Terrain

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2017 Gmc Terrain. The data includes 131 consumer complaints filed by vehicle owners, 1 manufacturer-initiated safety recalls, 11 reported crashes, 2 fire incidents, 7 reported injuries, and safety rating assessments associated with this vehicle.

The NHTSA has assigned the 2017 Gmc Terrain an overall safety rating of 4 out of 5 stars, with a frontal crash rating of 4 stars, a side crash rating of 5 stars, and a rollover rating of 4 stars. These ratings are determined through controlled crash testing conducted by the NHTSA.

All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.

Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.