2016 KIA Optima Fuel/propulsion System Problems

Source: NHTSA · Updated Oct 15, 2026 · 53 complaints analyzed

Owners have filed 53 complaints with NHTSA about fuel/propulsion system problems on the 2016 KIA Optima, 7% of all complaints for this model year. Half of the reports with a mileage happened before 72,708 miles. The words owners use most often: “oil change” (23% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Oil change: mentioned in 12 of 53 complaints (23%)

At what mileage do fuel/propulsion system problems happen?

Based on 12 complaints that reported the odometer reading.

Under 10k miles1 · 8%
10k–25k miles0 · 0%
25k–50k miles2 · 17%
50k–75k miles3 · 25%
75k–100k miles2 · 17%
100k–150k miles4 · 33%
150k+ miles0 · 0%

How serious are the reports?

Of 53 complaints, 6 a fire, 1 an injury.

KIA Optima fuel/propulsion system complaints by model year

Peak: 2013, with 94 complaints
2002: 2200222003: 332004: 1200412005: 112006: 5200652007: 222008: 3200832009: 112010: 1201012011: 23232012: 422012422013: 94942014: 422014422015: 46462016: 532016532017: 20202018: 132018132019: 17172020: 12202012

n = 381 complaints · Source: NHTSA

Model yearFuel/propulsion System complaintsShare of that yearMedian miles
2020 Optima128%—
2019 Optima178%—
2018 Optima136%68,000
2017 Optima208%81,000
2016 Optima537%72,708
2015 Optima465%90,000
2014 Optima427%77,500
2013 Optima947%80,000
2012 Optima425%80,000
2011 Optima234%89,843
2010 Optima11%118,000
2009 Optima11%140,000
2008 Optima32%160,000
2007 Optima21%124,000
2006 Optima53%81,481
2005 Optima11%97,000
2004 Optima10%62,000
2003 Optima32%108,000
2002 Optima22%94,049

When owners reported it

Peak: 2023, with 17 complaints
2017: 2201722018: 1201812019: 3201932020: 5202052021: 4202142022: 5202252023: 172023172024: 9202492025: 4202542026: 320263

n = 53 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists fuel/propulsion system for the 2016 KIA Optima. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

My 2016 Kia Optima equipped with the 2.4L DOHC I4 GDI engine began to experience progressive and severe oil consumption during the latter part of my ownership. The oil warning light began activating repeatedly, even after shortly getting the oil changed. Several certified mechanics and oil change…

Received Jun 16, 2026 · NHTSA complaint 11744531

The car returned P1326 and had multiple misfires and audible knocking, the dealers will indeed fight the already existing class action warranties. Was sent home and told to “drive the fuck out of it”, to which the car did not make it home and blew gasoline into my cabin while driving on the…

Received Jun 8, 2026 · NHTSA complaint 11742694

Car is not holding oil it acts like it's gonna cut off while driving and it jerking was diagnosed with colitic converter p0604

Received Mar 27, 2026 · NHTSA complaint 11727436

Frequently asked questions

Do all 2016 KIA Optimas have fuel/propulsion system problems?

No. NHTSA has 53 owner complaints about fuel/propulsion system for the 2016 KIA Optima (7% of the 759 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2016 KIA Optima fuel/propulsion system?

No recall currently lists fuel/propulsion system for this vehicle.

At what mileage do fuel/propulsion system problems start?

The median reported mileage is 72,708 miles: half of the reports with a mileage came before that.

What do owners say about fuel/propulsion system problems on the 2016 KIA Optima?

The most frequent phrase is “oil change”, in 12 of 53 complaints.

Other 2016 KIA Optima problems

See all 2016 KIA Optima problems or fuel/propulsion system problems across all Optima years.