2015 Hyundai Sonata engine problems: excessive oil consumption

Excessive Oil Consumption

2015 Hyundai Sonata

This problem may be covered under warranty. Ask your Hyundai dealer.

CarComplaints.com Seal Of This Might Hurt

8.1

pretty bad
Typical Repair Cost:
$5,100
Average Mileage:
42,000 miles
Total Complaints:
14 complaints

Most Common Solutions:

  1. not sure (12 reports)
  2. new engine installed (2 reports)
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2015 Hyundai Sonata engine problems

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2015 Hyundai Sonata Owner Comments

problem #14

Aug 222019

Sonata

  • Automatic transmission
  • 67,296 miles

A D V E R T I S E M E N T S

2015 purchased brand new and always maintained. Engine knocking noise started & took it to have it checked. Turns out the oil solidified like jelly. Engine had overheated and caused this issue with oil. Engine was burned! Lucky it did not catch fire. Had to replace engine. Found out this is a common problem with the Hyundai, especially after 60K miles. No warning what so ever! Never did the engine light turn on to indicate a problem. Car is still under warranty, and a complaint was filed with Hyundai, HMA Campaign Reimbursement. So far, it's been over a month and no reimbursement. Never again.

- Teri P., Inverness, FL, US

problem #13

Feb 012019

Sonata Se Limited

  • Automatic transmission
  • 48,000 miles

BOUGHT THE CAR LESS THAN 2 YRS AGO, THINKING OK... LOW MILES (32000). PAID $15,000. I'M GOOD FOR A WHILE. NOPE WRONG! I'M PISSED! I PAID CAR OFF IN MARCH. I BROUGHT THE CAR IN FOR MY FIRST OIL CHANGE SINCE THEY OFFER FREE OIL CHANGE. I BOUGHT FROM CAR DEALER. AFTER FIRST OIL CHANGE, I NOTICE 3 QTS LOW, SO I WENT BACK TO DEALER AND THEY HAD SOMEONE CHECK IT. THEY SAID IT WAS FINE. THEN THEY DID ANOTHER OIL CHANGE TO SEE. WELL, IT HAS NOT ENDED. I PUT 2 QTS IN EVERY 7- 10 DAYS. SICK, SICK OF THIS CRAP. 63000 AND I'M AFRAID SOMETHING IS GOING TO GET WORSE. I CAN'T AFFORD TO DO THIS AFTER PAYING IT OFF!!! WHAT DO I DO? I EVEN CALLED HYUNDAI AND THEY SAID NO RECALLS YET. MANY, MANY ARE DEALING WITH THE SAME CRAP. IT NEEDS TO BE RECALL. I'M SICK TO MY STOMACH ABOUT THIS CRAP!!!

- Bernadette S., Bausman, US

problem #12

Jun 112019

Sonata Limited 2.4L

  • Automatic transmission
  • 21,600 miles

Bought vehicle from CARMAX so thought it had been thoroughly checked out. At 27000 miles should never have to check oil. WRONG. Just on a whim I decided to check it and found it down 1 Qt. I had only driven it 2100 miles since purchase. Took it back to CAR MAX and they were nice enough to change the oil free of charge. Service manager said they may need to do a consumption study. Further investigation has shown this is not uncommon and Hyundai will maintain it is within specifications. Another 2000 miles and another Qt.

Normal? Maybe for a junker with 200,000 miles, but not for a 3 yr old vehicle with 30,000 miles. My Jeep sitting next to it will not even use 1/2 Qt between 5000 mile oil changes. I think there is a lesson to be learned here.

- Philip B., Kennesaw, GA, US

problem #11

Apr 022019

Sonata Limited 3.21

  • Automatic transmission
  • 48,000 miles

A D V E R T I S E M E N T S

I bought a 2015 Sonata Limited brand new. From the very first oil change, I was always told that my oil was low. I never thought that this could be a problem since the dealership noticed and just did standard oil changes and sent me on my way. Repeatedly, at every oil change I was low but had no leaks and no smoke. Other than a mystery, I just took note but drove it normally.

At 48,000 I noticed the oil was black and thick sludge all on the oil cap. I was informed for the first time by a manager of an auto parts store that he was aware of this problem with other Hyundai cars. I contacted the dealer and was instructed to participate in an oil consumption study. As instructed, I returned to the dealership after the first month and was 1 quart low after 1100 miles, I am currently driving the car to reach the next phase of the study. I am expecting to be low again since I've done some research and have discovered the exact same problems with this model.

I will need to get this resolved because this is a factory defect and I'm still paying a high car note and expected a quality car for my investment. I will keep you posted as this case progresses.

Update from Jul 25, 2019: I finished the 3 - 1000 miles oil consumption test study.Each check, everytime it was at least 1 quart low, the dealership did right and changed my engine. They handled this matter with utmost awesome customer care. I was provided a loaner car while my car was in the shop for 3 weeks. I will continue to monitor my oil but hope that the new engine solved this problem.

- Dawn S., Metairie, US

problem #10

Mar 012017

Sonata Limited 2.4L

  • Automatic transmission
  • 55,000 miles

We bought our 2015 Sonata Limited 2.4L new in October 2014. Car was great until about 55k when wife got stranded in limp home mode due to something with the manifold / sensor. That was fixed but we noticed loss of power afterwards car never had any more pick up and go as it used to. Since about that time we noticed that car is burning 1 quart of oil every 1000 miles or so.

Took to dealer they did an oil consumption test that confirmed it was burning oil. I was told this was in spec to this motor and model and that they would escalate to Hyundai motor company but most likely nothing would come of it. Dealer tried to tell me that its my fault for using after market filters and full synthetic oil. Motor is loud, burns oil and has non consistent idle at standstill, still no power.

- Carsten F., Clayton, NC, US

problem #9

Mar 152018

Sonata ES

  • Automatic transmission
  • 71,000 miles

Background: 2015 Hyundai Sonata 74000 miles, purchased from dealer with 34,000 miles. No accidents.

My last oil change I had very little oil on the stick. I thought this was just a fluke. Had my oil changed and 6000 miles later 1/4 inch of black oil left on the stick. 74,000 miles on car. There is black inside and on the lip of the exhaust. This has been a good car, can't complain, but this is a significant problem. I see others are having the same issues. Has anyone had their problem addressed?

I spoke with the dealer and we are going to change the oil, do an oil consumption test every 800-1200 miles x 3. Then they will get with Hyundai and address. I paid a small fortune for an extended warranty that I am still within the parameters, hopefully I'm covered one way or the other. I'm sure the warranty will push for Hyundai to step up before they pay.

- Charlotte Z., Union, US

problem #8

Oct 202016

Sonata SE 2.4L

  • Automatic transmission
  • 45,000 miles

A D V E R T I S E M E N T S

I just want Hyundai to fix this problem with my car. Consuming oil is not a good thing, in the long run it will cost more money to customers and lost of sales to Hyundai. I just took a trip to St. Louis, Mo. 285 miles later, I need it a quart of oil. I'm I constantly checking the oil level because I don't have other means to drive to work 55 miles round trip.

- Oscar M., Cicero, US

problem #7

Nov 012017

Sonata SE 2.4L 4 cyl

  • Automatic transmission
  • 72,000 miles

Okay, we bought our 2015 Sonata in May 2016, thinking we bought a nice car. We were wrong. The car was perfect in every way till about October or November of 2017. It started consuming a quart of regular 5W-20 oil every 1000 miles. So we switched to 10-W30 Full Synthetic and the oil changed every 3000 miles. It helped but not much. It now consumes a quart of 10-W30 about every 1700 miles. Better, but still unacceptable for a normal engine.

Update from Jun 18, 2018: So, oil consumption is random, sometimes it’ll do great, sometimes it’ll consume a quart in 800milez. At this point I don’t know what to do p, besides trade that piece of garbage in for something like a Camry. I’ll tell you one thing. After this, we will NOT be buying another to Hyundai.

Update from Jan 20, 2019: Well. solution found at 86k miles. just buy a new car, a Camry or an Accord should do ya good. :)

- mountaintroll04, Owenton, US

problem #6

Aug 012017

Sonata Limited 2.4L

  • Automatic transmission
  • 37,000 miles

2015 Hyundai Sonata Limited, bought new, engine 2.4l. around 30000 miles. Checking the oil, as is my habit, I was surprised to find oil level very low before the 5000 km oil change time limit. Reported to the dealer but they did not want to acknowledge. We agreed to keep it under observation for the next oil changes. They said they did a leak compression check (but I don't see any evidence that they actually carried out) and said the leak is good. Now before the oil change term the level is under min after 4000 km driven. Let's see what they will say now.

If somebody has had this problem let me know. Thanks

- Daniel C., TORONTO, ON, Canada

problem #5

Jan 122016

Sonata SE 2.4L

  • Automatic transmission
  • 3,750 miles

First oil change down a half quart oil consumption test report 4450 miles driven down 1.3 QUART They say this is normal unacceptable NEW CAR BLACK soot coming from tailpipe MILES PER GALLON ( 20 ) 4 cyclinder STICKER says 25 city 37 Highway not even close NEW problem today 06/12/2016 transmission stopped shifting no acceleration none THIS car is a lease good for me I want OUT without losing a ton of MONEY NEXT STEP LEMON LAWS!!!!

- Mark R., Palmdale, CA, US

problem #4

Feb 242017

Sonata ES

  • Automatic transmission
  • 59,000 miles

A D V E R T I S E M E N T S

Don't understand where oil is going but at most oil changes there's nothing to drain, it makes values rattle a lot.

- kls09, Martinsville, US

problem #3

Aug 102016

Sonata Limited 2.4L 4 cyl

  • Automatic transmission
  • 10,737 miles

Car had less than 11k miles and burning about half qt. oil between oil changes, 3k miles

- skips, Omaha, AR, US

problem #2

Oct 262016

Sonata Limited 2.4L 4 cyl

  • Automatic transmission
  • 13,189 miles

2400 mi. a qt. low after previous oil change service manager says it is normal, it is not normal for car with 13941 mi. to burn oil. seems a couple of years ago there was a law suit over the same thing these 4 cyl. engines are junk. and Hyundai keeps putting them out and screwing people.

- skips, Omaha, AR, US

problem #1

Apr 182016

Sonata SE 2.4L In-Line Gdi 4

  • Automatic transmission
  • 36,148 miles

This is really simple:

My brand new 2015 Hyundai Sonata SE with 36,148 miles is burning 1 quarter of motor oil for every 1,000 miles! and this is increasing. I swichted the 5-20W conventional to 10-30W full synthetic but it is still increasing the burning oil. I consider it is wasting time to stop by the Hyundai dealer since I do not want a rebuild engine every year if they honor the warranty. I love the Sonata but it is not acceptable even worst it is a problem since 2011 models even Hyundai made some changes to the engine.

Unfortunately most 2015 Hyundai Sonata regular drivers owners are going to notes it in 2017-2018 when they will get the 36,000 miles or so.

I'll be more than happy is Hyundai let me return this vehicle to start looking for something better maybe the Mazda 7 or the Honda Accord...etc.

- Julio G., Katy, TX, US

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