Apr 23, 2025 · I recently bought a brand new 2025 Kia K5 GT-Line in Wolf Grey. The car was manufactured at the South Korea plant in HWASEONG in GYEONGGI PROVINCE. I have been told …

Jan 9, 2025 · I recently got a 2025 Kia K5 GT in wolf grey and I am wondering what mods I should do that won't void the warranty and sacrifice reliability. I want to get tints done and maybe get a cold air …

May 9, 2023 · Just finished changing the oil in my GT 2.5T engine for the first time. Was going to take pics and post but found the info here is more then adequate: Scroll down to 2.5 engine Kia Optima - …

Jan 9, 2025 · Hey everyone! I just joined the forum and wanted to share some exciting news—I recently got a new K5 and I couldn’t be happier. I’m looking forward to learning more about it, sharing tips, …

Jul 15, 2025 · I drive a 2025 K5 GT (2.5T) and recently started looking into different engine oil options. I’ve always used Valvoline Advanced Full Synthetic Engine Oil 0W-20 on my K5s and figured it was …

May 20, 2025 · I appear to have some kind of fuel leak on my K5. I never can smell anything when parked. Fuel smell only shows up when I have driven a bit, return to the car, take off and smell …

May 6, 2025 · Does anyone know how I can convert the square cup holders in the 2025 Kia K5 to round cupholders? Are there any molds available somewhere that I can just insert into the cupholders? The …

Jan 5, 2025 · I have a 2025 K5 and can't find an oil filter. I have asked the dealership but have not heard back. Is the filter the same as the filter for the 2024 K5?

Aug 15, 2025 · I purchased a 2024 used K5 with 6K miles last fall from the dealer. It supposedly had been serviced by the dealer. Yesterday, I did my first DYI oil change and both the filter housing and …

Mar 29, 2025 · Finding a detailed K5 repair manual is tricky. Haynes does not cover it at all. The Optima DL3 online manual is the closest match and works fine for most repairs, just verify engine references …