Excessive engine oil consumption between oil changes
ENGINE
46 NHTSA complaints · 2024-05 → 2026-08
“The component that failed in my 2016 Kia Optima is the engine, specifically due to excessive oil consumption. After each oil change, my oil levels drop significantly within 1,000 miles. The vehicle is available for inspection upon request”
“Vehicle uses about 4 quarts of oil every 1000 miles. I have to get oil changes every 1500 miles and add oil every 1000 miles”
“My 2016 Kia Optima is experiencing severe internal engine oil consumption that matches known issues Kia has recalled and extended warranties for. The vehicle loses 1–3 quarts of oil every few days with no external leaks”