Which parts fail
Components named in complaints (power windows, windshield, wipers, mirrors, sunroof).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2020 Subaru Ascent owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2020 Subaru Ascent. The contact stated that he parked the vehicle in the parking garage overnight and when he went to get into the vehicle the next morning, he noticed that the windshield was cracked. The vehicle was taken to the dealer and the dealer was unable to determine the cause of the failure. The vehicle was not repaired. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 60,000.
The contact owns a 2020 Subaru Ascent. The contact stated that while her fianc was driving 65 MPH, the contact was seated in the passenger's side seat and noticed a crack on the driver's side windshield, starting from the rearview mirror. The contact took the vehicle to a local dealer and made them aware of the failure. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 26,000.
The contact owns a 2020 Subaru Ascent. The contact stated while the vehicle was parked in the parking lot, the windshield suddenly cracked without impact. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed or repaired. The failure mileage was approximately 29,200. The contact stated that they reached a settlement with the manufacturer where they paid for the majority of the windshield repair.
When I arrived at work I noticed a 4 inch crack at the bottom left corner of my windshield. I had not noticed any rock hitting my windshield. By the time I got out of work, the crack had expanded to about 8 or 10 inches and continued to expand to over 1 foot. This has never happend to me in the 35 years I've been driving and not to any of the many cars I've owned. I filed a claim with my insurance and plan to have the windshield replaced this week. However, I happened to do a Google Search about Subaru Ascent cracked windshields and noticed the recall of other Subaru models. Additionally, on the Subaru forums, there have been many others writing of the similar experience of an unexplained crack in the windshield of their Subaru Ascent.
On Tuesday, January 3, I had a THIRD chip in my windshield. This just happened yesterday, so I have not had it evaluated yet. HOWEVER, this will be the THIRD chip that I will have to have repaired in the three short years I've owned this vehicle. The first chip happened within a month of owning the vehicle, and there is a current NHTSA complaint on file (11297348) for this chip. The second chip occurred in September 2022, and I have had that one repaired. NEITHER of the repairs "held" past 30 days. I have NEVER owned a vehicle that had a windshield that chipped so easily. I'm very surprised that this has not been a recall issue yet (as the glass repair shop suggested it should be- they see this ALOT with Subarus).
My windshield cracked for no reason. There is no point of impact. The vehicle is just over 2 years old and has been driven approx 7000 miles. I don't drive a lot, and live in a pretty rural area where there is little traffic. When I picked up my son from daycare the day before there was no crack. The next morning when I got in the car to go drop him off, there was a substantial crack. This seems to be a common problem with this vehicle, according to searches online. The vehicle was parked in my driveway, and nowhere near any trees. It did not storm that night. I cannot see any reason the windshield would have cracked.
I recently bought my Subaru and I noticed the transmission would stall when going in to gear or changing gears and the rpm would be high, also last night I de fogged my windows and drove to my destination and noticed a crack in my windshield from the top where my eyesight is, I did not hear or see anything hit my car windshield, my car didn't give off any warning signs for either of the problems I stated, I have contacted subur 1800subur3 they say there is no recall so now talk to customer service so now I am waiting to speak to them
Several months ago a very small chip appeared in our windshield. We do not remember getting hit by anything. Within a couple of days the chip cracked almost half the length of the windshield. We paid over $1000.00 to have windshield replaced. Less than two months later we again saw a small chip in the windshield. My husband tried to fix it before it cracked and while fixing it the chip cracked almost half the length of the windshield. We will now have to pay to fix another windshield due to spontaneous chips that we were not aware of.
While parked, I adjusted the rear view mirror to my driving position. I heard a cracking noise and saw a crack go about three inches down from the rear view mirror on the windshield. Over night it spread from the mirror all the way down to the base of the windshield. I inspected the windshield for impact damage and found none.
As we were driving, a vehicle passed us going the other way and suddenly something hit our windshield and damaged it. I am reporting this because the cracks from this unusual incident are rather large in comparison to other windshield chips I have seen on previous cars.
Window & Wiper complaints in other Ascent years
Frequently asked questions
How common are window & wiper problems on the 2020 Subaru Ascent?
NHTSA has 60 complaints about the windows, wipers & sunroof of the 2020 Subaru Ascent, 19% of the model year's 324 complaints. The component named most often is windshield (11 mentions).
Is there a recall for 2020 Subaru Ascent window & wiper problems?
No. NHTSA lists no windows, wipers & sunroof recall for the 2020 Subaru Ascent, though it has 5 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2020 Subaru Ascent window & wiper problems start?
Half of the complaints with a recorded mileage happened before about 8,000 miles, and 93% before 25,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.