MileageCurve What breaks, and at what mileage

Chevrolet Equinox 2005–2009

1st generation · GM Theta (GMT191) · 3,536 complaints, 2,869 with mileage

Owners filed 3,536 complaints with NHTSA about the 2005–2009 Chevrolet Equinox, and 2,869 of them record the mileage at which the failure happened. That is enough to show not just what fails, but when.

Failures are spread across the mileage range, with the middle half between 43,000 and 100,250 miles. The median is 72,000 miles.

The most-reported areas are the electrical system (14.3% of complaints, typically around 72,000 miles), the airbag system (9.6% of complaints, typically around 73,000 miles), visibility equipment (8.8% of complaints, typically around 61,000 miles).

1 recall campaign cover this generation.

When failures happen

0–5k: 189 complaints (6.6%)0–5k5–10k: 44 complaints (1.5%)10–20k: 86 complaints (3.0%)10–20k20–30k: 124 complaints (4.3%)30–40k: 208 complaints (7.2%)30–40k40–50k: 178 complaints (6.2%)50–60k: 245 complaints (8.5%)50–60k60–70k: 291 complaints (10.1%)70–80k: 266 complaints (9.3%)70–80k80–90k: 250 complaints (8.7%)90–100k: 213 complaints (7.4%)90–100k100–120k: 314 complaints (10.9%)120–140k: 195 complaints (6.8%)120–140k140–160k: 107 complaints (3.7%)160–200k: 128 complaints (4.5%)160–200k200k+: 31 complaints (1.1%)3140

10% of failures occur by 15,900 miles · a quarter by 43,000 · median 72,000 · three quarters by 100,250 · 90% by 134,000. Based on 2,869 complaints that record mileage.

What fails, and when

SystemComplaintsShareTypical mileageMiddle half
Electrical System50514.3%72,00042,000–105,000
Air Bags3389.6%73,00041,000–101,000
Visibility3118.8%61,00045,000–84,000
Fuel/Propulsion System2286.4%90,00067,000–110,726
Steering2116.0%76,61241,720–101,842
Power Train2095.9%65,50034,000–95,000
Engine2055.8%97,00076,000–118,000
Engine And Engine Cooling2035.7%60,00025,000–78,000
Unknown Or Other1484.2%105,00070,000–140,000
Electronic Stability Control (Esc)1414.0%79,00060,000–102,000

By model year

YearComplaintsWith mileage
2005950754
2006950799
2007950769
2008535422
2009151125

Which systems, and when

Complaints about this generation are not spread evenly across the vehicle, and the systems that generate the most of them do not all fail at the same point in a car's life. The median failure across all systems here is 72,000 miles; the figures below show which parts of the car run ahead of that and which run behind.

The electrical system accounts for 14.3% of complaints (505 reports, 417 of them with a mileage figure), with a median of 72,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 42,000 and 105,000 miles.

The airbag system accounts for 9.6% of complaints (338 reports, 273 of them with a mileage figure), with a median of 73,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 41,000 and 101,000 miles.

Visibility equipment accounts for 8.8% of complaints (311 reports, 264 of them with a mileage figure), with a median of 61,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 45,000 and 84,000 miles.

The fuel and propulsion system accounts for 6.4% of complaints (228 reports, 190 of them with a mileage figure), with a median of 90,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 67,000 and 110,726 miles.

The steering accounts for 6.0% of complaints (211 reports, 166 of them with a mileage figure), with a median of 76,612 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 41,720 and 101,842 miles.

The transmission and driveline accounts for 5.9% of complaints (209 reports, 176 of them with a mileage figure), with a median of 65,500 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 34,000 and 95,000 miles.

Differences between model years

Within this generation, complaint volume is not constant across model years. The 2005 model year drew the most — 950 complaints — while 2009 drew the fewest at 151. The median year sits at 950.

Recalls and what they cover

NHTSA records 1 recall campaign covering vehicles in this generation. A recall means the manufacturer or the regulator concluded there was a safety defect or a standard was not met, and that a free remedy is owed to owners — including second and later owners.

Recall status is specific to the individual vehicle, not the model. Checking a VIN against NHTSA's lookup is free and takes under a minute, and it is the only way to know whether a particular car has had the work done.

Reported severity

Of the 3,536 complaints filed against this generation, 159 reported a crash; 40 reported a fire; 163 reported an injury; 2 reported a fatality. Crash-involved reports represent 4.5% of the total.

These are owner-reported outcomes, not verified investigations, and they are not adjusted for how many of these vehicles are on the road. They are included because the distinction between a fault that strands a car and a fault that causes a collision is the one that matters most, and it is not visible in a complaint count alone.

What this means if you are buying one

For a buyer, failures on this generation are spread rather than concentrated: the middle half falls between 43,000 and 100,250 miles, with a median of 72,000. There is no single mileage threshold to watch, which means condition and maintenance records are more informative than the odometer.

On inspection, the electrical system and the airbag system are where this generation's reports concentrate, so those are the areas worth a specific look. The electrical system in particular shows a median failure mileage of 72,000, which gives a concrete number to compare against the odometer of any car you are considering.

None of this is a substitute for a pre-purchase inspection on the individual car. Aggregate patterns describe a population; the example in front of you has its own history.

Documented problems

Engine

3.4L V6 intake manifold and head gasket coolant leaks leading to overheating and head damage.

Engine 2008-2009

3.6L LY7 timing chain stretch producing P0008/P0016 cam-crank correlation codes and a cold-start rattle.

Transmission

Aisin AF33 5-speed automatic failures, often expensive because of limited rebuild support.

Recalls (1)

CampaignDateComponent
12V4590002013-01-01Fuel System, Gasoline:Delivery:Fuel Pump

What owners reported

2005 · 10 miles · Seats
THE CONSUMER STATED HIS WIFE DROVE ABOUT 15 MILES, AND COMPLAINED ABOUT THE FRONT HEAD REST BEING TILTED SO FAR FORWARD THAT THE SEAT HAD TO BE LEANED FAR BACK JUST TO BE COMFORTABLE. CAUSED PAIN IN THE NECK AND SHOULDERS. WORRIED THAT THE DEFECT COULD CAUSE NECK INJURY. CONTACT WENT OUT AND BOUGHT A HEAD REST FOR A SATURN VEHICLE AND INSTALLED IT INTO HIS 2005 CHEVROLET EQUINOX. *AK *SB *NM…
2005 · 20 miles · Steering
VERY ERRATIC STEERING WHEN CHANGING LANES AT 50 MPH CAUSED ME TO LOSE CONTROL AND CRASHED INTO A GRASSY DITCH. THIS WAS THE SECOND TIME I NOTICED THE STEERING WAS VERY DIFFERENT THEN I HAVE EVER FELT. AFTER HITTING THE DITCH THE CAR ROLLED. REMARKABLY, I WAS NOT INJURED AND BOTH AIRBAGS DEPLOYED AND MY SEAT BELT KEPT ME FROM INJURY. THERE WASN'T ANY BROKEN GLASS. THE CAR HELD UP TO THE 5 STAR SAFE…
2005 · 70 miles · Air Bags
TL* THE CONTACT OWNS A 2005 CHEVROLET EQUINOX. WHILE DRIVING APPROXIMATELY 70 MPH ON THE HIGHWAY, THE CONTACT NOTICED THE KEY WAS DETACHING FROM THE IGNITION. THE DEALER STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V302000 (POWER TRAIN). WHILE DRIVING 35 MPH, THE CONTACT WAS INVOLVED IN A CRASH AND THE AIR BAGS FAILED TO DEPLOY. THE CONTACT WAS INJURED AND RECEIVED MEDICAL …
2005 · 70 miles · Electrical System
TL* THE CONTACT OWNS A 2005 CHEVROLET EQUINOX. WHILE DRIVING APPROXIMATELY 70 MPH ON THE HIGHWAY, THE CONTACT NOTICED THE KEY WAS DETACHING FROM THE IGNITION. THE DEALER STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V302000 (POWER TRAIN). WHILE DRIVING 35 MPH, THE CONTACT WAS INVOLVED IN A CRASH AND THE AIR BAGS FAILED TO DEPLOY. THE CONTACT WAS INJURED AND RECEIVED MEDICAL …

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