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Engine & cooling

2016 Audi Q3 Engine problems

Owners have filed 7 complaints about the 2016 Audi Q3's engine & cooling with NHTSA - 24% of all its complaints, most recently on June 23, 2026. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
7
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Engine complaints

Engine & cooling

The engine oil consumption rate is alarming going thru quarts or entire oil change in a week or two of driving depending how much it was driven. Audi has admitted the pistons are at fault along with piston rings. It is unsafe and can cause engine to seize up and lose control which can lead to dangerous situations or accidents. I was never informed with a class action settlement from Audi. I have lived at the same address for 21 years. I never received a letter from Audi of the class action settlement due to oil consumption.

Filed Incident EngineNHTSA 11745833
Engine & cooling

To Whom It May Concern: I am writing this communication to you per an attorney referral. I have an Audi that was included in the Turbo Class Action Lawsuit. See [[redacted]] My VIN was included in the lawsuit. The lawsuit was won on December 4th 2025. The class action lawsuit only covers and reimburses consumers who had paid out of pocket (prior to a certain date) expenses incurred fixing the Turbo. I have a letter from a Master Mechanic who is saying my engine problems are due to the turbo being bad however, I...

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have not had the issue fixed. The class action lawsuit does not cover consumers who have not had the Turbo fixed or replaced. Please advise on what I should do or refer me to the appropriate person who can guide me through this process. My vehicle is not under warranty and although the class action lawsuit was won, there is no recall issued at this time. See attached. Thank you in advance for your cooperation. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Incident Unknown or other · EngineNHTSA 11718686
Electrical systemEngine & cooling

In 4/2024 car wouldn't start. Took to Audi for new battery and was told Water pump failed so it was replaced with delays. In 3/2025 noticed no heat and car took a long time to warm up. Took back to dealership replaced thermostat. Still no heat so I was told ok to drive but need to flush heater core to fix heat issue for $3500. Started my car on 8/14/2025 had multiple lights come on dash (lights, brake, TPMs, epc, and brake fluid) so I turned off. Took to mechanic for inspection told something strange different...

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codes instructed to take to dealer. On 10/8/2025 took back to Audi for evaluation and first they stated my fuse box panel was slightly melted couldn't code read. Ordered part, 2 weeks, and would be $2,000 for repairs. On 10/15/2025 they state I have Coolant migration from over flow and it would be $35,000 for repairs which exceeds vehicle worth to buy another. Have not experienced any coolant loss since water pump failed and was replaced in 2024.

Filed Incident Electrical system · Unknown or other · EngineNHTSA 11693736
Engine & cooling

Had pistons and rings replaced by Audi dealership. After repairs were completed my car was burning through excessive amounts of oil. The engine seized while I was driving on highway. A replacement engine was installed after that by Audi. Now have clusters lights on dash after picking up car from the dealership. My car was not listed in class action lawsuit. I want to know why? When all of the repairs were what was in the lawsuit.

Filed Incident EngineNHTSA 11640285
Engine & cooling

I was driving through Franconia Notch on [[redacted]] when my engine suddenly started to slow down my speed I was on a part of highway that had no pull off and was one lane divided highway. I was no longer able to able to maintain a speed over 40 mph and no where to pull off put me in a dangerous situation. I did eventually make it out of the notch but not after a few miles. I took it to an Audi verified dealer and was told (I have a video) that this was due to a spontaneous consumption of oil event which is a...

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known problem and needs a new engine. I contacted Audi and they said my car year was not included in the class action lawsuit and would not cover my engine and should become included I would be notified by mail. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Incident EngineNHTSA 11619127
Engine & cooling

The Audi dealership in Tysons Corner VA is denying to repair a known flaw that has resulted in Failed emissions. This is a constant struggle with the VW brand, kindly help how to resolve. The following are attached a) The emissions failure report from DEQ with the CEL code P2015 b) Technical service bulletin that details that repair and how it should be covered c) The extended warranty d) EPA guidance on their website of coverage for this issue (pic attached) These dealerships are making a lot of money while not fixing emissions problems that they are causing global warming.

Filed Incident EngineNHTSA 11542990
Engine & coolingFuel system

Tl* the contact owns a 2016 audi q3. The contact stated that the vehicle would not start properly and would constantly decelerate while in the middle of traffic. The contact experienced the failures often. Also, the check engine indicator illuminated. The vehicle was towed to audi dominion (21105 i-10, san antonio, tx 78257, (888) 478-2089) where it was diagnosed that a new fuel sensor needed to be installed. The vehicle was repaired, but the failures recurred. The contact took the vehicle back to the dealer and...

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had it repaired again, but the failures recurred. During the third repair, the dealer broke one of the headlights. Since then, the failures recurred multiple times. The manufacturer was notified and did not assist. The failure mileage was 49,500.

Filed Incident Engine · Fuel / propulsion systemNHTSA 11184933

Audi Q3 engine complaints by year

Q3 engine problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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