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2014 GMC Terrain Owner Complaints

Updated May 30, 2026
Daniel Wilson
2014 GMC Terrain Owner Complaints

Complaint Summary

The 2014 GMC Terrain has 384 reported complaints.

  • Top issues involve engine and visibility/wiper.

Reliability Score

Reliability Score

6.9/ 10

Based on 384 complaints

Most Frequent Issues

ENGINE

122 31.8%

VISIBILITY/WIPER

74 19.3%

POWER TRAIN

31 8.1%

ELECTRICAL SYSTEM

29 7.6%

UNKNOWN OR OTHER

16 4.2%

Quick Insights

  • The top category is ENGINE, accounting for 31.8% of all complaints.

  • Owners have reported issues across 34 distinct vehicle systems.

  • Note: Complaint data reflects owner reports and may not always indicate a verified defect. Compare with Recalls and TSBs for a complete picture.

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Complaint Summary

What owners keep reporting on the 2014 GMC Terrain

The 2014 GMC Terrain has 384 owner complaints in this dataset. ENGINE is the most common complaint category, representing about 32% of the reports shown here.

Most common complaint categories

The top complaint groups for the 2014 GMC Terrain are ENGINE (122), VISIBILITY/WIPER (74), POWER TRAIN (31).

Are these complaints a serious red flag?

Potentially. 202 complaint reports involve higher-attention systems like brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components, which is enough to justify a focused inspection.

What should buyers inspect on a used 2014 GMC Terrain?

Start with the top complaint systems, compare them against the recall report, then inspect service records for evidence that those same areas were already repaired or monitored.

Read the full buyer guideRecall report and remedy notesMaintenance costs and intervals2013 Terrain complaints2015 Terrain complaints2016 Terrain complaints

Detailed Complaint Log

Showing 26 of 26 systems

ENGINE

74 Reports30% of total

Previewing the first 2 complaint summaries.

I WAS DRIVING HOME AFTER WORK AROUND 7PM GOING ABOUT 45-50 MPH AND ALL OF A SUDDEN MY CAR BEGAN SLOWING DOWN AND I COULD NOT ACCELERATE. THIS IS WHEN I REALIZED THAT MY CAR HAD SHUT OFF WHILE DRIVING. ALSO, MY HEADLIGHTS TURNED OFF WHICH I NOTICED IMMEDIATELY SINCE IT WAS DARK OUTSIDE, THE COMPUTER SYSTEM SHUT DOWN, GAS INDICATOR WENT TO E AND THE ENGINE TURNED OFF. I WAS ABLE TO COAST OVER TO THE RIGHT LANE AND AS THE CAR WAS SLOWING DOWN MY STEERING WHEEL BEGAN TO LOCK UP. ONCE I WAS FULLY PULLED OVER FROM THE TRAFFIC, I BRAKED AND PUT THE CAR INTO PARK. I WAITED A FEW MINUTES TO CATCH MY BREATH ON WHAT HAD JUST HAPPENED BECAUSE THIS COULD HAVE CAUSED A BAD ACCIDENT IF IT WERE MORE TRAFFIC. SINCE I WAS PULLED OVER I THOUGHT I WOULD TRY TO RESTART MY CAR. BEFORE I RESTARTED IT, I NOTICED THAT MY KEY IGNITION WAS STILL IN THE ON POSITION SO I TURNED IT BACK TO TAKE THE KEY OUT AND THEN IMMEDIATELY PLACED IT BACK IN AND TURNED IT TO SUCCESSFULLY RESTART THE CAR. THIS IS THE FIRST TIME THAT THIS HAS HAPPENED IN THIS CAR. I'VE HAD IT SINCE DEC. 2013 AND HAVE A LITTLE OVER 15K MILES. I WILL BE CONTACTING THE GMC DEALERSHIP REGARDING THIS ISSUE SINCE I DID NOT SEE ANY RECALLS ADDRESSING THIS ISSUE. *TR

10/17/2014

TL*THE CONTACT OWNS A 2014 GMC TERRAIN. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 45 MPH AND APPROACHING A STOP LIGHT, THE VEHICLE REVVED UP TO 10,000 RPM'S AS THE ENGINE STALLED WITHOUT WARNING. THE INSTRUMENT PANEL AND EXTERIOR LIGHTS FAILED. THE FAILURE RECURRED TWO TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 12,000. UPDATED 5/19/15*CN

3/24/2015

72 more complaints are available in this category.

VISIBILITY/WIPER

60 Reports24% of total

Previewing the first 2 complaint summaries.

I LIVE IN OHIO WHERE WE GET A LOT OF SNOW SO I WAS DRIVING ON THE HIGHWAY AND THE WEATHER WAS NOT SO GREAT A LOT OF SNOW ON THE ROAD AND COMING DOWN A CAR DROVE BY ME AND THREW SNOW AND SLUSH ON MY WINDOW AND THE WINDSHIELD WIPER WORKED BUT IT DIDN'T HELP CAUSE I NEED THE WIPER FLUID DIDN'T WORK AND COULD SEE OUT THE WINDOW CAUSE IT HAD THAT WHITE STUFF WHERE I COULDN'T SEE OUT THE FRONT WINDSHIELD I OH MUST WENT OFF THE ROAD SO I HAD TO PULL OVER ON THE HIGHWAY THAT WAS VERY BAD WITH ALL THE SNOW ON THE ROAD WHERE I SHOULD OF BEEN WAS IN MY CAR BUT I HAVE TO PUT WATER ON MY WINDSHIELD THAT I HAD IN MY CAR TO CLEAN THE WINDOW THAT IS A SAFETY HAZARD AND CAUSE A WREAK I DID A GOOGLE SEARCH AND FOUND A LOT OF OTHER PEOPLE HAD THIS PROBLEM NOT JUST ME AND SHOULD BE A RECALL AND IF I REMEMBER THAT HAD A RECALL ON THAT SYSTEM BEFORE SO ITS A KNOWN PROBLEM NEED TO CHECK THIS OUT ASAP. *TR

1/7/2015

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. THE CONTACT STATED THAT WHILE DRIVING IN THE RAIN, THE WINDSHIELD WIPERS FAILED TO FUNCTION. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE WIPER UNIT NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 40,000.

4/21/2017

58 more complaints are available in this category.

ELECTRICAL SYSTEM

22 Reports9% of total

Previewing the first 2 complaint summaries.

WHILE DRIVING TRUCK WITH AIR CONDITIONER ON IGNITION KEY GETS EXTREMELY HOT. THIS DOES NOT HAPPEN IF TRUCK IS IDLING. THIS HAS BEEN REPORTED TO DEALERSHIP. *TR

8/5/2014

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. THE CONTACT STATED WHEN DRIVING AT VARIOUS SPEEDS, THE CRASH WARNING LIGHT ILLUMINATED INTERMITTENTLY. THE CONTACT MENTIONED THAT THE VEHICLE DECELERATED AND THE BRAKES ENGAGED INDEPENDENTLY. THE VEHICLE WAS TAKEN TO A DEALER. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 30,125. UPDATED 03/30/15*LJ UPDATED 6/22/2015*JS

10/7/2014

20 more complaints are available in this category.

POWER TRAIN

21 Reports8% of total

Previewing the first 2 complaint summaries.

TL * THE CONTACT OWNS A 2014 GMC TERRAIN. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE VEERED TO THE RIGHT AND STALLED. THE CONTACT NOTICED THAT THE KEY WAS BENT WHEN IT WAS REMOVED FROM THE IGNITION. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 50.

6/30/2014

THE DRIVE SHAFT IS ALL RUSTED. I TOLD THE DEALER ABOUT IT AND THEY SAY THAT IT IS MADE OUT OF STEEL AND NOT TO WORRY. I AM STILL SCARED OF DRIVING IT. *TR

12/12/2014

19 more complaints are available in this category.

UNKNOWN OR OTHER

12 Reports5% of total

Previewing the first 2 complaint summaries.

PERIODICALLY AUTO WILL SURGE FORWARD (WITHOUT THE BENEFIT OF GAS PEDAL BEING DEPRESSED.) I MANAGED TO STOP BEFORE THERE WAS A CRASH. DEALER STATES THAT NO PROBLEMS LIKE THIS HAVE BEEN REPORTED. I AM CERTAIN THIS IS A DANGEROUS SITUATION. THE DEALER HAS STATED THAT THERE IS NO PROBLEM WITH THIS CAR. I HAVE TO TRUST THAT THEY DID SOMETHING TO STOP THE SURGING (COMPUTER ADJUSTMENT??)

5/10/2016

THIS VEHICLE DOES NOT HAVE VENTS TO CIRCULATE HEAT/AC IN THE BACK SEAT. MAIN ISSUE IS IN THE SUMMER. MY TODDLER SON IS USUALLY SWEATING AND IN DISTRESS BECAUSE HE IS SO HOT. DESPITE HAVING THE A/C ON LOWEST TEMP, AND BLOWING AT THE HIGHEST SPEED, IT STILL DOES NOT CIRCULATE VERY WELL THROUGHOUT THE VEHICLE. SO, I'M FREEZING WHILE MY SON IS BURNING UP. MAKES TRAVELING DIFFICULT WITH AN UPSET CHILD. COME ON, GM, SMARTEN UP. YOU'RE BETTER THAN THIS.

7/29/2016

10 more complaints are available in this category.

FUEL/PROPULSION SYSTEM

10 Reports4% of total

Previewing the first 2 complaint summaries.

FROM THE FIRST DAY I GOT MY GMC ALL I GET IS 10 MPG AND IT FEELS LIKE THE DEALER IS GIVING ME THE RUN A ROUMD.(GETTING NO HELP).

5/30/2015

TAKATA RECALL WHEN REFUELING THE VEHICLE THE PUMP GAS NOZZLE WILL NOT STAY IN THE GAS FILLER HOLE. IT FALLS OUT EVERY TIME EITHER SPILLING GAS ON THE GROUND OR ON ME IF I STAND NEXT TO IT. I AM FORCED TO HOLD THE NOZZLE IN THE FILLER HOLE AT ALL TIMES TO AVOID THIS ISSUE.

2/16/2016

8 more complaints are available in this category.

AIR BAGS

9 Reports4% of total

Previewing the first 2 complaint summaries.

I HAD THIS CAR AS A RENTAL. MY WIFE WAS IN THE PASSENGER SEAT AND USES A CUSHION TO SIT ON, BECAUSE OF BACK PROBLEMS. WE NOTICED THAT AIR BAG "ON" LIGHT WAS NOT LIT. WHEN SHE TOOK AWAY THE SEAT CUSHION THE AIRBAG "ON" WAS LIT.I DON'T KNOW IF THIS IS A PROBLEM, BUT THERE WAS NO WARNING MSG ANYWHERE ABOUT USING A SEAT CUSHION. THERE WAS NO OVERRIDE SWITCH TO FORCE THE AIRBAG "ON" LIGHT EITHER AND ACTIVATE THE SYSTEM. *TR

5/16/2014

TL* THE CONTACT OWNED A 2014 GMC TERRAIN. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 10 MPH AND MAKING A LEFT TURN, ANOTHER VEHICLE CRASHED INTO THE VEHICLE HEAD ON. THE FRONTAL AIR BAGS DID NOT DEPLOY. THE POLICE AND FIRE DEPARTMENT WERE PRESENT. NO INJURIES WERE REPORTED. THE VEHICLE WAS DESTROYED AND TOWED TO A COLLISION LOT. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 27,448.

9/26/2016

7 more complaints are available in this category.

ELECTRONIC STABILITY CONTROL (ESC)

8 Reports3% of total

Previewing the first 2 complaint summaries.

WIFE WAS DRIVING HER VEHICLE, ALL SERVICE ENGINE LIGHTS DISPLAYED, CAR DE-ACCELERATED AND WAS ABLE TO LIMP INTO A BUSINESS ON A 45 MPH ROAD. TOOK CAR TO DEALERSHIP, ALL SERVICE ENGINE LIGHTS WERE ON DISPLAY, SERVICE TECHNICIAN ACKNOWLEDGED THIS. CANNOT DUPLICATE PROBLEM, NO PROBLEM FOUND IN DIAGNOSTIC TESTING.

1/26/2016

NOTHING WORKS ANYMORE. THE SOUND THAT CONTROLS ONSTAR, SEATBELT, BLINKER, TURNING SIGNAL, CHIME, AND OTHER NOTIFICATIONS.

5/8/2017

6 more complaints are available in this category.

SERVICE BRAKES

6 Reports2% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE STALLED WITHOUT WARNING AND THE ABS INDICATOR REMAINED ILLUMINATED. LANCE BUICK GMC IN MANSFIELD, MASSACHUSETTS WAS MADE AWARE OF THE FAILURE AND SCHEDULED A DIAGNOSTIC APPOINTMENT. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 16,900.

4/27/2018

I WAS DRIVING MY 2014 GMC TERRAIN WITH APPROXIMATELY 85,000 MILES WHEN I NORMALLY PRESSED THE BRAKE PEDAL AND THE ANTILOCK BRAKES ACTIVATED UNEXPECTEDLY. MY DASHBOARD TOLD ME THE STABILITY TRACK NEEDED SERVICE. I BROUGHT THE VEHICLE TO GET REPAIRED AND THEY FOUND A SPEED SENSOR AND IT'S CONTACT ON THE HUB WERE BAD. COST TO REPLACE HUB APPROX $350

3/3/2019

4 more complaints are available in this category.

EXTERIOR LIGHTING

5 Reports2% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. THE CONTACT STATED THAT WHILE WITH LOW BEAMS ACTIVATED, THE UPPER HALF OF THE WINDSHIELD WAS TOTALLY BLACK. THE VEHICLE WAS TAKEN TO DEALER WHO COULD NOT DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE DEFECT. THE APPROXIMATE FAILURE MILEAGE WAS 5,000. ..UPDATED 05-09-14 *BF

4/2/2014

WHEN USING LOW HEADLIGHTS A DARK BLACK SHADOW IMPAIRS VISION IN THE MIDDLE OF THE WINDSHIELD. *TR

4/2/2014

3 more complaints are available in this category.

STEERING

4 Reports2% of total

Previewing the first 2 complaint summaries.

WHEN DRIVING AT VERY LOW SPEED THERE IS A CREAKING SOUND WHICH SEEMS TO BE COMING FROM THE FRONT SIDE ON THE BOTTOM. GMC HAS A SERVICE BULLETIN #PI1314:CREAK/POPTYPE NOISE FROM RIGHT FRONT OF VEHICLE DURING LOW SPEED MANEUVERS-(SEPT.17,2014). THE FIX INVOLVES RIPPING UP CARPET AND CUTTING A HOLE APPROX. 1 FT. SQUARE IN FRONT WALL OF INTERIOR. THE SEAT HAS TO BE REMOVED . THE BLOWER MOTOR HAS TO BE REMOVED. THE RIGHT SIDE FRONT CONSOLE TRIM PLATE AND BODY HINGE TRIM PANEL, THEN CUTTING A HUGE HOLE IN THE WALL. I HAD A 2011 TERRAIN, WHICH I PURCHASED NEW AND I NEVER EXPERIENCED THIS PROBLEM. THE NOISE IS UNACCEPTABLE FOR A BRAND NEW VEHICLE. *TR

11/16/2014

TL* THE CONTACT OWNED A 2014 GMC TERRAIN. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 20 MPH AND MAKING A RIGHT TURN, THE STEERING WHEEL SEIZED. AS A RESULT, THE CONTACT CRASHED INTO ANOTHER VEHICLE THAT WAS A STOP SIGN. IT WAS UNKNOWN IF A POLICE REPORT WAS FILED AND THERE WERE NO INJURIES SUSTAINED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 14,248.

7/6/2015

2 more complaints are available in this category.

SEATS

3 Reports1% of total

Previewing the first 2 complaint summaries.

I HAD THIS CAR AS A RENTAL. MY WIFE WAS IN THE PASSENGER SEAT AND USES A CUSHION TO SIT ON, BECAUSE OF BACK PROBLEMS. WE NOTICED THAT AIR BAG "ON" LIGHT WAS NOT LIT. WHEN SHE TOOK AWAY THE SEAT CUSHION THE AIRBAG "ON" WAS LIT.I DON'T KNOW IF THIS IS A PROBLEM, BUT THERE WAS NO WARNING MSG ANYWHERE ABOUT USING A SEAT CUSHION. THERE WAS NO OVERRIDE SWITCH TO FORCE THE AIRBAG "ON" LIGHT EITHER AND ACTIVATE THE SYSTEM. *TR

5/16/2014

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. THE CONTACT STATED THAT THE FRONT PASSENGER SEAT WOULD NOT MOVE FORWARD OR BACKWARDS. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE FRONT PASSENGER SEAT TRACK WAS FRACTURED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 10,000.

2/13/2015

1 more complaint is available in this category.

VEHICLE SPEED CONTROL

2 Reports1% of total

Previewing the first 2 complaint summaries.

FIRST INCIDENT-AUGUST 28,2014 ACCELERATING ONTO HIGHWAY FROM STORE LOT, SHARP RIGHT ACCELERATED AND ENGINE DIED. NO POWER, BATTERY OK. MESSAGE "REDUCED ENGINE POWER" AND "STABILITY TRACK" . TOWED TO GARAGE WHICH REPLACE ENGINE MODULE. FORTY MILES FROM GARAGE, ACCELERATING ON RIGHT TURN SAME PROBLEM. ENGINE DIED (WE NEARLY GOT HIT) AND MESSAGE SAME , "REDUCED..." AND "STABILITY.." . TOWED TO GARAGE AND WAITING FOR RESULTS. *TR

9/5/2014

. IN OCTOBER 2019 MY CAR NEEDED TO HAVE EXTENSIVE WORK DONE ON ITS TIMING CHAINS, VARIABLE VALVE TIMING SOLENOIDS, INTAKE VARIABLE ENGINE VARIABLE TIMING SOLENOID, VARIABLE VALVE TIMING SPROCKET, HEATED OXYGEN SENSOR, TIMING COVER GASKET SET, VALVE COVER GASKET SET, IRIDIUM SPARK PLUGS, WATER PUMP, ENGINE OIL FILTERS, SYNTHETIC DEXOS MOTOR OIL, COOLANT. THEN IN JULY 2020 THE TIMING CHAINS COLLAPSED ON ME WHILE I WAS ON MY WAY HOME FROM WORK. THE ENTIRE ENGINE HAD TO BE REPLACED. MY CAR WAS COMPLETELY TOTALED AFTER THE ENGINE COLLAPSED AND I WAS STUCK OWING 12000 DOLLARS ON A USELESS CAR.

11/4/2020

STRUCTURE:BODY

2 Reports1% of total

Previewing the first 2 complaint summaries.

PURCHASED A 2014 GMC TERRAIN CERTIFIED FROM A DEALER AND IT HAD VISIBLE RUST ON DRIVERS SIDE REAR PASSENGER DOOR HEM. IT WAS TAKEN TO ABRA AUTO BODY SHOP AND WORKED ON 3 TIMES WITH THE RUST COMING RIGHT BACK THROUGH ONLY AFTER 7 DAYS. IT WAS SEAMED AND SEALED FOR A FINAL TIME AND THE AUTO BODY SHOP EVEN ADMITTED IT WILL NOT STOP THE RUST AND RECOMMENDS A NEW DOOR SHELL. HOW CAN A CAR ONLY 2 YRS 10 MONTHS OLD HAVE THIS BAD OF RUST? OTHER 3 DOORS HAVE VERY LIGHT SPOTS AND FRONT END FENDER PANELS AS WELL. HUSBAND ALSO PURCHASED A 2013 TERRAIN AND IT HAS SAME ISSUES.

11/3/2016

THE POWERED LIFT GATE RAISED ALL THE WAY UP (AS REQUESTED), THEN DROPPED UNEXPECTEDLY ON MY WIFE'S BACK AND HEAD THEN RAISED AGAIN THEN DROPPED AND LATCHED. THE POWERED LIFT GATE REPEATS THIS UPON EVERY REQUEST TO OPEN AND WILL NOT REMAIN OPEN, MAKING THE REAR CARGO AREA BASICALLY USELESS. THE LIFT GATE IS VERY HEAVY AND COULD POSSIBLY INJURE SOMEONE WHEN DROPPING DOWN UNEXPECTEDLY. THE VEHICLE WAS PARKED IN OUR GARAGE UPON THE FIRST TIME AND THE VEHICLE HAS BEEN PARKED EACH TIME THE LIFT GATE WAS REQUESTED TO OPEN.

8/29/2019

VISIBILITY

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. THE CONTACT STATED THAT WHILE WITH LOW BEAMS ACTIVATED, THE UPPER HALF OF THE WINDSHIELD WAS TOTALLY BLACK. THE VEHICLE WAS TAKEN TO DEALER WHO COULD NOT DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE DEFECT. THE APPROXIMATE FAILURE MILEAGE WAS 5,000. ..UPDATED 05-09-14 *BF

4/2/2014

ELECTRICAL SYSTEM:IGNITION

1 Report0% of total

Previewing the first 1 complaint summaries.

TL * THE CONTACT OWNS A 2014 GMC TERRAIN. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE VEERED TO THE RIGHT AND STALLED. THE CONTACT NOTICED THAT THE KEY WAS BENT WHEN IT WAS REMOVED FROM THE IGNITION. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 50.

6/30/2014

LATCHES/LOCKS/LINKAGES

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE DOORS AUTOMATICALLY UNLOCKED WHENEVER THE DOOR HANDLES WERE PULLED. THE CONTACT MENTIONED THAT ON TWO OCCASIONS WHILE DRIVING AND THE CHILD LOCK ACTIVATED, THE FAILURE RECURRED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS UNAVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 1,500.

8/4/2014

ENGINE AND ENGINE COOLING

1 Report0% of total

Previewing the first 1 complaint summaries.

FIRST INCIDENT-AUGUST 28,2014 ACCELERATING ONTO HIGHWAY FROM STORE LOT, SHARP RIGHT ACCELERATED AND ENGINE DIED. NO POWER, BATTERY OK. MESSAGE "REDUCED ENGINE POWER" AND "STABILITY TRACK" . TOWED TO GARAGE WHICH REPLACE ENGINE MODULE. FORTY MILES FROM GARAGE, ACCELERATING ON RIGHT TURN SAME PROBLEM. ENGINE DIED (WE NEARLY GOT HIT) AND MESSAGE SAME , "REDUCED..." AND "STABILITY.." . TOWED TO GARAGE AND WAITING FOR RESULTS. *TR

9/5/2014

SUSPENSION

1 Report0% of total

Previewing the first 1 complaint summaries.

WHEN DRIVING AT VERY LOW SPEED THERE IS A CREAKING SOUND WHICH SEEMS TO BE COMING FROM THE FRONT SIDE ON THE BOTTOM. GMC HAS A SERVICE BULLETIN #PI1314:CREAK/POPTYPE NOISE FROM RIGHT FRONT OF VEHICLE DURING LOW SPEED MANEUVERS-(SEPT.17,2014). THE FIX INVOLVES RIPPING UP CARPET AND CUTTING A HOLE APPROX. 1 FT. SQUARE IN FRONT WALL OF INTERIOR. THE SEAT HAS TO BE REMOVED . THE BLOWER MOTOR HAS TO BE REMOVED. THE RIGHT SIDE FRONT CONSOLE TRIM PLATE AND BODY HINGE TRIM PANEL, THEN CUTTING A HUGE HOLE IN THE WALL. I HAD A 2011 TERRAIN, WHICH I PURCHASED NEW AND I NEVER EXPERIENCED THIS PROBLEM. THE NOISE IS UNACCEPTABLE FOR A BRAND NEW VEHICLE. *TR

11/16/2014

WHEELS

1 Report0% of total

Previewing the first 1 complaint summaries.

WHEN DRIVING AT VERY LOW SPEED THERE IS A CREAKING SOUND WHICH SEEMS TO BE COMING FROM THE FRONT SIDE ON THE BOTTOM. GMC HAS A SERVICE BULLETIN #PI1314:CREAK/POPTYPE NOISE FROM RIGHT FRONT OF VEHICLE DURING LOW SPEED MANEUVERS-(SEPT.17,2014). THE FIX INVOLVES RIPPING UP CARPET AND CUTTING A HOLE APPROX. 1 FT. SQUARE IN FRONT WALL OF INTERIOR. THE SEAT HAS TO BE REMOVED . THE BLOWER MOTOR HAS TO BE REMOVED. THE RIGHT SIDE FRONT CONSOLE TRIM PLATE AND BODY HINGE TRIM PANEL, THEN CUTTING A HUGE HOLE IN THE WALL. I HAD A 2011 TERRAIN, WHICH I PURCHASED NEW AND I NEVER EXPERIENCED THIS PROBLEM. THE NOISE IS UNACCEPTABLE FOR A BRAND NEW VEHICLE. *TR

11/16/2014

STRUCTURE:BODY:HATCHBACK/LIFTGATE

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. WHEN THE TAILGATE WAS AJAR, IT INDEPENDENTLY CLOSED. THE FAILURE WAS PERSISTENT. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE LIFTGATE STRUTS FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 22,000. UPDATED 12/21/16*LJ THE CONSUMER HAS SINCE TRADED THE VEHICLE. UPDATED 12/22/16.*JB

9/15/2016

ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. WHILE DRIVING 30 MPH, THE HORN FAILED TO WORK. THE DEALER (PENSKE CADILLAC OF SOUTH BAY, 18600 SOUTH HAWTHORNE BLVD, TORRANCE, CA 90504) DIAGNOSED THAT THE FUSE WAS BLOWN DUE TO A SHORT. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 30,885.

5/16/2018

ELECTRICAL SYSTEM:HORN

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. WHILE DRIVING 30 MPH, THE HORN FAILED TO WORK. THE DEALER (PENSKE CADILLAC OF SOUTH BAY, 18600 SOUTH HAWTHORNE BLVD, TORRANCE, CA 90504) DIAGNOSED THAT THE FUSE WAS BLOWN DUE TO A SHORT. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 30,885.

5/16/2018

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2014 GMC TERRAIN. WHILE DRIVING APPROXIMATELY 40 MPH IN THE RAIN, THE WINDSHIELD WIPERS SUDDENLY STOPPED OPERATING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO REPLACED THE WINDSHIELD WIPER TRANSMISSION ASSEMBLY. ALSO, WHILE STARTING THE VEHICLE, A LOUD NOISE WAS PRESENT COMING FROM THE EXHAUST. THE INDEPENDENT MECHANIC DIAGNOSED THAT THE EXHAUST MANIFOLD WAS CRACKED. THE EXHAUST MANIFOLD WAS REPLACED AND THE FAILURE WAS REMEDIED. THE LOCAL DEALER AND MANUFACTURER WERE NOT NOTIFIED. THE FAILURE MILEAGE WAS 70,000.

8/22/2018

SEAT BELTS

1 Report0% of total

Previewing the first 1 complaint summaries.

MY AIR BAG / SEAT BELT KEEP LIGHT KEEPS COMING ON . CODE B001B AIR BAG PASSENGER SEAT ANCHOR PRETENSION DEPLOYMENT LOOP. THIS IS DEFINITELY A SAFETY HAZARD THAT SHOULD HAVE A RECALL.

4/30/2019

LANE DEPARTURE: BLIND SPOT DETECTION

1 Report0% of total

Previewing the first 1 complaint summaries.

SERVICE SIDE DETECTION SYSTEM WARNING UPON STARTUP AND SPORADICALLY WHEN DRIVING AT NORMAL SPEEDS. THE BLIND SPOT MONITOR LIGHTS IN THE SIDE MIRRORS DO NOT FUNCTION ANYMORE. UPON STARTING THE VEHICLE, BOTH SIDES USED TO ILLUMINATE WHILE RUNNING THRU SYSTEMS CHECK. NOW ONLY THE DRIVER'S SIDE LIGHTS UP. TO CONFIRM, THE BLIND SPOT MONITORING DOES NOT WORK FOR EITHER SIDE OF THE VEHICLE NOW. THE SENSOR IS UNDERNEATH THE REAR BUMPER COVER, EXPOSED TO THE ELEMENTS. THERE ARE SEVERAL FORUMS MENTIONING THIS ON THE GMC TERRAIN DENALI MODEL ALONG WITH CADILLAC AND CHEVROLET MODELS THAT HAVE THE SENSOR IN THE SAME PHYSICAL LOCATION OF THE CAR. THE SENSOR IS EXPOSED TO RAIN, SNOW, DIRT, DUST, MUD. I HAVE CHECKED RECALLS ON THIS BUT IT DOESN'T APPEAR TO HAVE ANY OUT THERE DESPITE FORUM COMPLAINTS. THERE SEEMS TO HAVE BEEN "SERVICE BULLETINS" SENT OUT FOR CADILLAC AND CHEVROLET MODELS DUE TO CUSTOMERS COMPLAINING ABOUT THIS SAME ISSUE. THOSE HAVE BEEN REPLACED AT NO COST TO THE CONSUMER FROM WHAT I UNDERSTAND. AFTER DOING SOME RESEARCH, TYPICAL COST FOR THIS PIECE DIRECT FROM ONLINE SELLERS IS $250+. TO HAVE THE DEALER REPLACE, IT'S LOOKING AT A COST UPWARDS OF $750+. THE NUMBER OF TERRAIN DENALI (THE ONLY TERRAIN TRIM WITH THE SIDE BLIND ZONE ALERT) ARE RELATIVELY LOW COMPARED WITH THE QUANTITY OF THE CADILLAC AND CHEVROLET MODELS WITH THIS ISSUE. I'M WONDERING IF THIS IS POSSIBLY WHY THERE WERE NO "SERVICE BULLETINS" ON THE TERRAIN. THE TERRAIN HAS A HORRIBLE BLIND SPOT AND I UTILIZED THIS FEATURE ALL THE TIME WHEN IT WAS WORKING PROPERLY. I FEEL LIKE SAFETY IS COMPROMISED FOR MYSELF AND MY FAMILY WITH THIS NOW NOT WORKING. I APPRECIATE ANY AND ALL ASSISTANCE.

3/4/2021

About This Data

Data and Methodology

MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

FAQ

What are the most common owner complaints for the 2014 GMC Terrain?

The most reported complaint category for the 2014 GMC Terrain is ENGINE, with 122 owner reports. That is about 32% of all complaints logged here. Other recurring themes include ENGINE, VISIBILITY/WIPER, POWER TRAIN.

Are complaints about the 2014 GMC Terrain a serious warning sign?

Potentially. 202 complaint reports fall into higher-attention systems such as brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components. That does not prove every vehicle has a defect, but repeated complaints in those systems justify a more careful pre-purchase inspection.

How should buyers use complaint data for the 2014 GMC Terrain?

Use complaints as an early pattern to investigate, not a standalone verdict. Start with the top complaint categories, compare those themes against the recall report and maintenance guide, then inspect service records for evidence that the same problem areas were already addressed. If the same issue appears repeatedly across complaints and recalls, treat it as a real ownership-risk flag.

Are complaints about the 2014 GMC Terrain severe?

202 complaint reports involve higher-attention systems such as brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components, which is enough to justify a focused inspection before purchase.

Complaint list entries are sourced from owner-submitted NHTSA ODI records.

Read complaint summaries

GMC Terrain: How should complaint data influence buying decisions?

Use complaint patterns together with recalls and maintenance guidance to estimate ownership risk and inspection priorities.

Carfocal links complaint data directly to recall and maintenance routes for the same model year.

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Complaint entries
384
Top-topic view
5 grouped topics shown
Primary source
NHTSA ODI owner complaint records

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In this guide

  1. 01Overview
  2. 02Common Problems
  3. 03Owner Complaints
  4. 04Data and Methodology

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