2016 Hyundai Elantra Problems Include Engine Knock, Airbags Not Deploying, and Various Electrical Malfunctions

Tijo Tenson
Apr 11, 2022

Hyundai’s 2016 Elantra has an open investigation for faulty throttle control systems that cause engine stalling and other problems. While there are no recalls, the majority of owner complaints are serious and include power steering failure, faulty electricals, and build quality issues.

2016 Hyundai Elantra - Photo by Hyundai

Key Points

  • As per the National Highway Traffic Safety Administration (NHTSA), the 2016 Hyundai Elantra has one ongoing investigation, 151 consumer complaints, and zero recalls.
  • Most complaints concern the 2016 Elantra’s powertrain, over problems like high engine oil consumption and malfunctioning automatic gearboxes.
  • Electrical issues also make up for a fair portion of the complaints. Problems include rodents chewing on wires, poor quality wiring harnesses, and faulty infotainment features.
  • 2016 Elantra owners also complain of quality issues like randomly shattering sunroofs, premature brake wear, and faulty self-healing paint.
  • The 2016 Elantra is one of the least reliable compact sedans with a poor reliability rating and high replacement costs.

2016 Hyundai Elantra - Photo by Hyundai

Most of the 2016 Elantra’s Complaints are for Premature Engine Failure, Defective Airbags, and Electrical Issues

The 2016 Hyundai Elantra has no recalls, but it is weighed down by over 150 consumer complaints. One-third are about the four-cylinder engine, which is notorious for component failure. Problems range from defective pistons to faulty connecting rods.

Defective piston rings also contribute to high oil consumption. Many owners also complain of engine knock due to faulty connecting rod bearings.

Also, numerous NHTSA complaints mention malfunctioning airbags that fail to deploy in a crash.

Electrical malfunctions are prevalent in the 2016 Elantra too. In addition to a glitch-prone infotainment system, the most common issue is a faulty Start/Stop button that won’t turn off. Some drivers also complain that the exterior lighting bulbs tend to wear out quickly.

The 2016 Elantra’s soy-based coated wiring draws rodents that love to nibble on the wires, which leads to various electrical issues.

2016 Hyundai Elantra - Photo by Hyundai

2016 Hyundai Elantra Owners Also Complain of Power Steering Failure, Transmission Issues, and Poor Material Quality

The 2016 Hyundai Elantra has an open investigation reviewing a possibly defective electronic throttle control system. Vehicles equipped with faulty units may experience unintended acceleration, surging, and stalling.

Many 2016 Elantra owners complain of locked and failed power steering causing dangerous situations. There have also been instances of steering wheel lock-ups. 

There are numerous complaints about the automatic transmission slipping gears. Owners report the transmission getting locked in a particular gear. Eventually, the Elantra shuts down and restarts automatically.

Less common problems include malfunctioning trunk latches, peeling paint, and shattering sunroofs whose cause remains unexplained 

Brakes are also quite problematic in the fifth-generation Elantra, leading to complaints of brake grinding and premature wear. Owners say they usually have to replace the brakes at around 40,000 miles.

2016 Hyundai Elantra - Photo by Hyundai

Hyundai Elantra is a Reliable Car, But the 2016 Model is Not the One to Have Due to Too Many Serious Problems

While there are no recalls for the 2016 Elantra, the majority of reported problems are quite serious and pricey.

Also, Consumer Reports puts the 2016 Elantra in the bottom 20% for reliability, making it one of the least reliable compact cars of the year. The most prevalent issue here is engine failure, and that doesn’t come cheap. A new engine will cost between $3,000 and $4,000.

So, living with a 2016 Hyundai Elantra is not going to be cheap. We suggest you look at either the 20122014 Hyundai Elantras (much more reliable) or the newer 20182020 Elantras.

Photos: Hyundai

Frequently Asked Questions

By Stephanie Stephan | Apr 11, 2022

Does the 2016 Hyundai Elantra Have Engine Problems?

51 of the 2016 Hyundai Elantra’s 153 NHTSA complaints are for the Elantra’s engine. Owners report excessive oil consumption, seizing, stalling, and finding metal debris in the oil. Engine failure is common between 60-65,000 miles, and other problems include defective pistons, pinging, and loss of acceleration.

Is the 2016 Hyundai Elantra Considered Reliable?

J.D. Power gave the 2016 Hyundai Elantra only an average reliability rating of 3.5 out of five and serious NHTSA complaints exist for the Elantra’s engine, fuel delivery systems, and powertrain. Owners report engine shutoff, excessive oil consumption, and transmission failure below 100,000 miles.

Owner Reviews

accountCircle Meghan on March 22, 2023
Never again will i buy a Hyundai
I have 133,000miles on my 2016 elentra gt. Bought it with 43,000miles on it. When i first bought it as soon as i gotup to 50mph the engine would scream. It has always eaten my oil like it was going out ot style! Everytime i took it to the dealership they would check it, i even consumption test with the dealership and they stated that it didnt burn enough oil in the test period to send to Hyundai while it was still under warranty. 2yrs ago i had to replace the catalytic converter and the miles at that time on the car the converter shouldn't have needed to be replaced. Since October i have dumbed over $3,400 total tune ups, brakes, rotors and multiple oil changes! Yesterday while on my way home from school, 2hrs away from where i live, as i was getting on the NJ turnpike and i heard n felt what seemed like the engine had fallen out from underneath the car. Once i pulled over and looked under the hood the entire engine was shaking and knocking because the engine was about to blow up. I am so thankful i was able to pull over where i did because that is an extremely dangerous road! And to boot it would be paid off this year, looks like i am going car shopping now.I loved that car but i will absolutely never, ever again buy a Hyundai!
accountCircle Terrence on September 6, 2022
Safety and performance
If these serious problems are under investigation, what is Hyundia waiting for, a serious accident to happen that would result in further issues because these issues were thrown on the back burner, I current own a 2016 Elantra, and I have to change out the motor and transmission with 175,000 kilometres on the odometer, the tansmission has been clunking since 40,000 when the car was purchased, and the car is a retired rental car, which the dealer failed inform, upon further investigation, after replacing all the brake pads, rotors, control arms, and ball joints with less than 50,000 kilometres on the odometer.
accountCircle Ato Godson. on January 2, 2023
2016 Hyundai Elantra Lit in Flames
Was driving from Baltimore, MD, to Miami, FL to settle and start my OBGYN rotation, the driver was about 16 hours in total. I did get the car inspected in PA in late August, early September, 2022. On my drive to Miami, I heard a “pop” sound and I pulled over near highway 95 at St. Petersburg, Florida, then I saw smoke coming from the car, I removed the keys from the engine . Within minutes after calling 911 and giving them the information, the car lit in flames 🔥 and burned everything. This car is completely not useful and should not be purchased.
accountCircle B on October 24, 2023
My car is ruined
I've had this car since I bought it with 53 miles on it from test drives. It had some issues with the starter, I've taken it to Hyundai dealership, after year 2 with this issue. While still in warranty the dealership said nothing was wrong over the years I've taken it in same dealership saging nothing was wrong. Well fast forward 2023 my car bursted into flames!!!! I have spent 30,000 on it for this to happen. Ive always had regular maintenance done on this car, taken it in for assessment. Beyond done!!!
accountCircle mike on August 3, 2022
Engine issues
Bought at a dealer with 90k on odometer. Started making noise at around 95k noise would go away when the car hit operating temp. Around 96.5k engine failed. Brought all the maintenance history to dealer when they asked for it and waited three weeks for them to install a used engine thats making the same noise and right off the bat was leaking oil from the rear main seal. They said its my problem now. And offered to repair that even though its making the exact noise as before the failure for a few grand.
accountCircle Jackie Wishing on April 12, 2022
Worst car I’ve ever had
I have had engine troubles after 1 1/2 years of owning it. 2 coils in the engine went bad and when coils go bad your engine light comes on but doesn’t stay on so they can’t fix it unless they get a code. I wonder how many more will soon go bad. The combination switch for the lights/ turn signal is now bad. I've never spent so much time at a service station in my life. All the bells and whistles that it has is great but not worth the hassle of having a bad engine.
accountCircle Jackie wishing on January 21, 2022
Worst car I’ve ever had
I have had engine troubles after 1 1/2 years of owning it. 2 coils in the engine went bad and when coils go bad your engine light comes on but doesn’t stay on so they can’t fix it unless they get a code. I wonder how many more will soon go bad. The combination switch for the lights/ turn signal is now bad. I've never spent so much time at a service station in my life. All the bells and whistles that it has is great but not worth the hassle of having a bad engine.
accountCircle Single mom Pennsylvania on September 17, 2023
My Enngine
My engine started knocking at 50,000 miles and for some reason no warranty on it under 100,00 which.I am very irritated...but if you drive it engine knock gets quieter...so it has been sitting in my parents garage. No vehicle lost my job cause of no transportation and single mom of 2 teenagers ... Hydauni doesn't care they expect. You to pay at least 5 to 6 thousand out of pocket at the dealership to figure it out...they need to recall that issue!!!
accountCircle Sheila S on October 6, 2021
The tale of a former rental car turned one household vehicle.
Bought it with 39000 miles. Now up to 67000 and the electrical is starting to. Act up. Every time I turn right, the interior lights come on for a second and then turn off. It was a former rental and never received a tune-up. A few weeks ago, I needed new spark plugs after my car wouldn't start when I was leaving for work. Other than those few minor incidents it has been a good car.
accountCircle Ashley V on December 25, 2021
Reliable/no space/cheap maintenance.
The compressor went a few months into having it, but it was covered because I bought new. It is reliable and great on gas. Easy maintenance. The car lacks space. Not a car for a growing family like mine. I would say it is cheap, but I am learning it is not great on resale and this is the reason I have kept it for this long.
accountCircle NJ on December 26, 2023
Hyundai elantra Gt
Never again! Engine failure driving on highway at 105,000 km electrical issues brakes not working when lights are on starter replaced paint peeling, gas tank replaced recall from rusting, brake recall replaced brake at 102 000 km bulbs turn signals keep going out feels so unsafe suspension makes noise going over bumps
accountCircle CMJ on March 29, 2023
Recall
My car just was picked up today. I had it towed to dealership because of a knock in engine. Although warranty would cover it....its getting fixed for free because it has a recall on those engines. So to amyone...if...if u hear a knock in your engine. Please call Hyundai while it's still an open recall
accountCircle Shaundra Lewis on April 6, 2023
Hyundai should be forced to replace my 2016 Hyundai Elantra
This year of this car is a piece of c**p. They idle high, stall, have engine and electrical problems, They dent easy, the bumpers fall off. My car was brand new and I've had nothing, but problems.I traded my Chevy Tahoe in to get a car better on gas and I regret my decision so much
accountCircle Julie A on January 26, 2023
WORST CAR I HAVE OWNED
Elantra 2016 has serious issues with the motor and Hyundai won't repair the defective cars. Therefore I'm stuck with a car that only has about 65k on it but the motor is basically on life support... I do not recommend Hyundai and will never buy another car from them.
accountCircle Amanda V on February 6, 2022
Terrible car, do not recommend, Hyundai was a mistake to buy
It's got terrible suspension, I would not buy a Hyundai ever again. I should have just gotten another Honda because they are so much better. And the monthly payment is way higher than what it is worth in my personal opinion. I do not, DO NOT recommend getting one.
accountCircle Melissa L on April 18, 2022
Electrical Issues
I had trouble with/ the sunroof not closing all the way. I took it in to the dealer and it was fixed under warranty. There haven't been any repairs needed besides that since iv had it. I love Elantra my old car had over 250,000 miles and was still going strong.
accountCircle Shante D on January 5, 2022
Sport mode is great best features yet.
Their small issues with my headlight going out every week also I am having problem with the power. Even my heater and air conditioner will work when it wants to work. I got that fix many times. I also have an issue with the battery.
accountCircle Tonya K. on July 4, 2022
Hyundai Issues
Recently took my 2016 to the shop and was told that it has lots of electrical issues. Not only that the transmission is a problem! I am replacing tires because I am sitting so low to the ground and hitting potholes left and right.
accountCircle Christine A on March 3, 2022
Not too reliable for single mom of 5.
Runs rough with a little to know to pick up cause transmission is slipping. Inside the vehicle parts and gears fall apart very easily. The seats are comfortable for everyone but the driver. Good running vehicle for a while.
accountCircle Nikia C on September 1, 2021
Little red hazard on the road.
Poor shocks, suspension not great. This vehicle is not comfortable on long trips. I also think that this car feels as if you are driving on the ground when you are driving. You can feel every bump in the road.
accountCircle Annoyed on July 21, 2023
Transmission issues
My car has currently been in the shop for SEVEN weeks getting the transmission repaired. Apparently, the solenoid part is hard to get. Its just a freaking mess.
accountCircle CASEY BENSON on July 27, 2023
Just bought one.
I'm not happy to hear about this. I just bought one 62k miles. I needed something good on gas for driving to college every day. Wow, I can't just take it back.
accountCircle Jolena P on August 7, 2021
Do not waste your money on a Hyundai Elantra.
My Hyundai Elantra has given me several problems since I purchased it in 2016. The car had several recalls requiring me to take it in for service.
accountCircle Gary Downey on January 25, 2024
Blown Engine
Bought our 2016 Elantra new. Took exceptional care of it and the engine just failed at 101,223 miles. We now need a new engine, No thanks.
accountCircle James P on June 28, 2021
Overall is great on gas and still gets me to where I need to go
No Bluetooth for 2016, vehicle also has electrical problems, has alignment problems, doesn't have the horsepower it should have
accountCircle Katrina bradshaw on September 20, 2022
Stalls out safety issue
Stalls out safety issue Oil is chunky when I hit my brakes it dies even in the middle of the highway
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