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Other or unknownPart report

2011 Toyota Prius Other or unknown Problems

Complaints
30about this part
Share
6%of 522 total for the year
Median mileage
90,000miles
Trend
RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.

NHTSA recorded 30 complaints about the other or unknown of the 2011 Toyota Prius, 6% of the 522 complaints for this model year. Where a mileage was given, the median is 90,000 miles. 1 of these say a crash was involved, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I have a 2011 Prius, and it failed Toyota's oil consumption test twice, around 110,000 miles. It consumes oil way so quickly that I have to add oil 2-3 times between scheduled oil changes. Bob smith Toyota (la crescenta, ca) performed the test per Toyota's instructions and acknowledged the problem but did not take any measures to remedy the problem. …”

NHTSA complaint #11133556, filed 2018-10, 100,000 miles

“I noticed around 90,000 miles that my car began consuming oil at any accelerated rate, so I didn't think too much about it. Then I noticed that I my oil gauge was turning on every 1,000-1,200 miles, my car was completely out of oil. I went online to Toyota Prius forums and started doing more research and this is a common problem for 2010-2011 Prius's. …”

NHTSA complaint #11114974, filed 2018-07, 90,000 miles

“Automobile continued to accelerate and even speed up with foot on the brakes. While stopped, waiting to turn, car would still accelerate, even speed up, into on-going traffic. This has been happening since I purchased the auto, but is now happening more frequently and for longer periods. Never reported because it only happened for a brief moment. However, in the last week this happened twice and I couldn't control the auto. Waiting for call back from dealer.”

NHTSA complaint #11231686, filed 2019-07, 115,000 miles

“Got hit on the front left side of veh. Not at fault and I believe the other party might have provided false papers. But the reason for the complaint is my airbags didnt deploy??? Front bumper cover bumper and radi. Had damages. In my nonenexpert opinion enough to cause it to eeploy”

NHTSA complaint #10929844, filed 2016-12, 65,000 miles

“I was driving on a highway in the country, go about the speed limit of 55 when I heard a very loud sound like an explosion or gunshot. I had the cover to the sunroof open and when I looked up I could see that the sunroof was shattered, crackled everywhere, but intact. When I pulled over to look at it from the outside, I could not see any debris from anything that would have hit it.. Instead it appears to bow from underneath and the sides have linear cracks all around. …”

NHTSA complaint #10871324, filed 2016-05, 58,100 miles

Related service bulletins

Other or unknown: other model years

YearComplaintsShare of year
2025319%
2024933%
2023314%
2022521%
2021117%
2020536%
2019827%
2018616%
20171112%
20163120%
2015159%
20142713%
20135112%
2012338%
2011306%
20101485%
2009367%
2008926%
20071055%
2006443%
2005565%
2004183%
200333%
200253%
200164%

Other parts of the 2011 Toyota Prius

Brakes
278 complaints
Electrical system
68 complaints
Exterior lighting
48 complaints
Engine
47 complaints
Air bags
46 complaints
Vehicle speed control
28 complaints
Transmission and drivetrain
18 complaints
Electronic stability control
16 complaints
Visibility (wipers, defrost, mirrors)
13 complaints
Fuel system
11 complaints
Hybrid propulsion system
10 complaints
Body and structure
9 complaints

← All problems reported for the 2011 Toyota Prius

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology