Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2014 GMC Terrain Reliability ReportC- grade · moderate risk · system-by-system breakdown

72/ 100

KeepScore

MODERATE RISK

Grade: C-

A comfortable SUV that hides significant powertrain vulnerabilities, especially with the 2.4L engine, demanding careful pre-purchase scrutiny.

Full system breakdown + what I would do

Quick Facts · 2014 GMC Terrain

  • The system most likely to surface first: 2.4l ecotec engine (major severity).
  • Has 2 NHTSA recalls on record — the most notable involves the exterior lighting:headlights.
  • Outscores the 2012 GMC Terrain by 4 points — one of the stronger nearby years to consider.

Is the 2014 GMC Terrain Worth Buying?

The 2014 GMC Terrain presents a mixed bag, offering a robust frame and comfortable ride but carrying significant powertrain risks, particularly with the 2.4L Ecotec engine. While its exterior holds up well, owners must be acutely aware of potential major engine repairs and transmission quirks that can lead to substantial expenses down the line. It's a vehicle that demands diligence and specific inspection to avoid becoming a financial burden.

While the 2014 GMC Terrain offers a comfortable and practical package, its reliability is severely hampered by the widespread issues with the 2.4L Ecotec engine. If you absolutely must have a Terrain, prioritize models equipped with the 3.6L V6 and ensure a thorough inspection. For the average buyer, there are more…

Best Model Years

2010 (V6 models only), 2016-2017 (later revisions of 2.4L, though V6 still preferred)

Years to Avoid

2010-2015 2.4L Ecotec engine models (due to piston ring/oil consumption)

Biggest Strengths

  • Solid, comfortable ride quality
  • Decent cargo space and comfortable interior
  • Generally good braking performance

What Tends to Fail First on the 2014 GMC Terrain

The systems that tend to fail first on the 2014 GMC Terrain, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.

1
2.4L Ecotec Enginemajor~60,000-120,000 mi

Excessive oil consumption due to faulty piston rings can lead to low oil levels, causing premature timing chain stretch/failure and catalytic converter damage. If left unaddressed, this can total the engine.

2
Automatic Transmissionmoderate~80,000-150,000 mi

The 6-speed automatic can exhibit hard shifts, delayed engagement, or 'clunking' noises. Often related to solenoid issues, valve body wear, or software calibrations, requiring repair or replacement.

3
HVAC Systemmoderate~70,000-110,000 mi

Failures of the A/C compressor, condenser, or blend door actuators are not uncommon, leading to loss of cooling or improper temperature control within the cabin.

Full repair-cost ranges, fix-before-you-buy notes, and inspection checklists are in the report.

2014 GMC Terrain Mileage Danger Zones

The mileage windows when the 2014 GMC Terrain most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

At this mileage, the Terrain should still be operating like new. Focus on routine maintenance, ensuring oil changes and tire rotations are performed. Any issues at this stage are usually covered by warranty.

60,000

Maintenance Zone

This mileage marks the end of many factory warranties. Crucially, if it's a 2.4L engine, this is when excessive oil consumption often begins to manifest. Monitor oil levels diligently and perform a full inspection.

90,000

Elevated Risk Zone

Expect common wear items to need attention. For the 2.4L, timing chain issues are highly probable if oil consumption was neglected. Transmission shifts might become less smooth. Suspension components may need replacement.

120,000+

High Risk Zone

Beyond this point, the likelihood of major powertrain repairs significantly increases, especially for 2.4L models. Be prepared for potentially expensive engine or transmission overhauls, in addition to continued wear-and-tear items.

2014 GMC Terrain Ownership Cost Outlook

What it typically costs to keep the 2014 GMC Terrain on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$500-700

Moderate Repairs

$600-1,800 occasionally (e.g., HVAC, minor transmission work, suspension)

How Long Does the 2014 GMC Terrain Last?

Given the significant engine risks, consider models with lower mileage (under 80,000 miles) if you can find a well-maintained 3.6L V6. For 2.4L models, only consider if previous engine work for oil consumption has been documented, otherwise, proceed with extreme caution regardless of mileage.

What 2014 GMC Terrain Owners Actually Say

What Owners Love

  • Comfortable and quiet ride on highways
  • Spacious rear seats and decent cargo capacity
  • Bold, distinctive exterior styling
  • Available powerful 3.6L V6 engine option

Common Frustrations

  • Excessive oil consumption on 2.4L models is a constant worry
  • Poor fuel economy, especially with the 3.6L V6
  • Limited rear visibility due to thick C-pillars
  • Transmission can feel unrefined with occasional hard shifts

Who Should Buy the 2014 GMC Terrain?

Best For

  • Buyers prioritizing ride comfort over outright reliability
  • Those who specifically want the available 3.6L V6 power
  • Individuals who perform their own maintenance and can monitor oil levels vigilantly (for 2.4L)

Not Ideal For

  • First-time car buyers seeking worry-free ownership
  • Anyone on a tight budget for unexpected repairs

How the 2014 GMC Terrain Compares to Rivals

The Terrain offers a more refined ride than some budget competitors but falls significantly short on long-term reliability compared to segment leaders from Honda, Toyota, and Subaru, primarily due to its problematic 2.4L engine.

More Reliable Than

  • Jeep Compass (pre-2017)
  • Dodge Journey
  • Ford Escape (certain early EcoBoost models)

Comparable To

  • Chevrolet Equinox (shared platform, similar issues)
  • Hyundai Tucson (older generations)
  • Kia Sportage (older generations)

2014 GMC Terrain Recall History

2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

EXTERIOR LIGHTING:HEADLIGHTS

General Motors, LLC (GM) is recalling certain 2010-2017 GMC Terrain vehicles. A reflection caused by the headlight housings may illuminate areas above the vehicle and outside of the driver's view with excessively bright light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

General Motors, LLC (GM) is recalling certain 2014-2015 Chevrolet Equinox and GMC Terrain vehicles. The ball joints in the windshield wiper module may corrode, causing one or both windshield wipers to fail.

What breaks on the 2014 GMC Terrain?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Other GMC Terrain Years to Consider

Compare KeepScores across nearby years of the GMC Terrain. Click any year for its full report.

2014 GMC Terrain Alternatives

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2014 GMC Terrain

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Frequently Asked Questions

Full Report

2014 GMC Terrain

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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