Sonata 2017 , 77K miles. Burning engine oil.

Joined
Jun 24, 2004
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St. Louis
If it were mine I would address with dealership first. If you do not like there answer call Hyundai customer service. Number is listed on MyHyundai website. I had my 2017 Elantra one week and brake booster was recalled. Dealership service advisor said they would replace mine when all the Elantras on their lot were done first. When I bought my car their website listed 204 Elantras. Called Hyundai and they scheduled my appointment that week. BTW, I use 5w-30 Pennzoil Platinum, 5w-20 Untra Platinum in Fall/Winter. Next week will be using 10w-30 Chevron Supreme which is my Summer oil. I am not noticing any difference in mileage between those oils.
 
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Apr 4, 2009
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Southeastern, PA
I had a 2011 Sonata with the 2.4L GDi engine. After 5 years/72,000 miles it was going through 1qt of oil every 800 miles. Adding a qt of oil every 2 weeks got really old. One of the (many) reasons I traded it in.
 
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Jul 11, 2015
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New England
Keep monitoring it. I would not get rid of car unless bought used because Hyundai sedans depreciation like rocks in water. If you get over <1000 miles/quart then let Hyundai know and they will do a consumption test.
 
Joined
Oct 8, 2017
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USA
Originally Posted by Char Baby
How about: *What engine is this; 2.4L, 2.0T, 1.6 eco? *Check the PCV system...AND *Did you change grade of oil, such as going from 5W30/10W30 to a 0W20? *Did you all of a sudden go from conventional oil to synthetic? *Get as much documentation as possible including from others with the same engine as yours.
I was going to say PCV. But I know nothing of Hyundai's so take that advice lightly.
 
Joined
Oct 7, 2019
Messages
372
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USA
Stories like this sound pretty appalling. I'm driving a 23-year-old car with over 350,000 miles which uses less than 1/2 quart in 5000 miles, and most of that is from minor oil drips rather than burning. (Hey the engine started out as a British design, they like to mark their territory.) A low-mileage car just a few years old with the kind of oil consumption reported here is just mind-boggling.
 
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Nick1994

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Originally Posted by Saabist
Stories like this sound pretty appalling. I'm driving a 23-year-old car with over 350,000 miles which uses less than 1/2 quart in 5000 miles, and most of that is from minor oil drips rather than burning. (Hey the engine started out as a British design, they like to mark their territory.) A low-mileage car just a few years old with the kind of oil consumption reported here is just mind-boggling.
Yeah, but all that burning oil keeps the muffler bearings lubricated.
 
Joined
Oct 16, 2019
Messages
150
Location
Texas
OP, have you owned it since new? What is your maintenance interval? What type of oil/filter do you use? Any specific gasoline brand or fuel system cleaner that you use? And lastly, has it always used a little oil or did this begin out of nowhere? As an owner of a Hyundai Theta II engine I'm interested (as are many others) in the failures of these engines.
 
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