Sunroof failure or glass breakage on the 2018 Chevrolet Equinox
When sunroof failure or glass breakage gets reported
Owners of the 2018 Chevrolet Equinox report sunroof failure or glass breakage at a median of 15,000 miles. A quarter of the reports come in before 900 miles and a quarter after 40,000 miles, from 9 reports that carried an odometer reading.
A part like this is normally expected to survive 78,000 miles. It is the 6th most-reported problem on this model year.
The mileage distribution
The reported range runs from 900 miles at the tenth percentile to 45,000 miles at the ninetieth, a spread of 42,700 miles across the middle 80% of reports.
A window that narrow is the signature of a part that fails on its own schedule rather than on how the car is driven — which is usually a design or supplier problem rather than wear and tear.
56% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 900 miles | 900 miles | 17,118 miles | 41,000 miles | 43,600 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Putting it right typically runs $700–$4,500 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
The same failure on other years
The same failure is reported on 7 model years of this car. It shows up earliest on the 2005, at a median of 700 miles, and latest on the 2006 at 70,000 miles.
By volume the 2018 is the worst of them, which makes this a problem of this specific year rather than of the model as a whole.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
I was driving to work and my panoramic sunroof exploded. Nothing hit it, no one in front on me, no one passed. Me and no one was behind me. It sounded like a gun shot and then the sunroof completely shattered. The car dealer that I bought it from did take care of all the expenses! But after all, it was not my fault and I have only had the car for 6 months. This is very scary and thankfully I did not get cut. I have a new sunroof but I am very afraid that it is going to happen again
2018 equinox premier sunroof gave out on me 5 weeks after purchasing brand new. Gm has had my car for 3 months and has not found a fix. It doesn't matter if the car was stationary or motion. The sunroof and the privacy screen will stop opening/closing. They have replaced all the wires and the entire sunroof and new motors and it still doesnt work. Gm customer care is not working with me and says that basically they won't have a time when I will get my car back. They aren't helping me with a trade in either. The dealership is helping me (bravo at las cruces nm). But gm themselves aren't taking any responsibility when it solely is their responsibility. I have heard of atleast 8 other cases online with the same issue. Some were fixed with a computer reboot but mine cannot get fixed whatsoever.
2018 equinox premier sunroof gave out on me 5 weeks after purchasing brand new. Gm has had my car for 3 months and has not found a fix. It doesn't matter if the car was stationary or motion. The sunroof and the privacy screen will stop opening/closing. They have replaced all the wires and the entire sunroof and new motors and it still doesnt work. Gm customer care is not working with me and says that basically they won't have a time when I will get my car back. They aren't helping me with a trade in either. The dealership is helping me (bravo at las cruces nm). But gm themselves aren't taking any responsibility when it solely is their responsibility. I have heard of atleast 8 other cases online with the same issue. Some were fixed with a computer reboot but mine cannot get fixed whatsoever.
Also reported on the 2018 Chevrolet Equinox
Other brake problem
Other engine problem
Other powertrain problem
Other electrical problem
Loss of braking
Master cylinder or brake booster failure
How far this goes
Complaints are voluntary, so 17 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does sunroof failure or glass breakage happen on the 2018 Chevrolet Equinox?
Across 9 owner reports that included an odometer reading, half were filed by 15,000 miles. A quarter were filed before 900 miles and a quarter after 40,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is sunroof failure or glass breakage on the 2018 Chevrolet Equinox?
17 reports have been filed with NHTSA, about 2.4 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed