KIA Optima Oil Capacity


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Engine oil viscosity (thickness) has an effect on fuel economy and cold weather operation (starting and oil flow). Lower viscosity engine oils can provide better fuel economy and cold-weather performance, however, higher viscosity engine oils are required for satisfactory lubrication in hot weather. Using oils of any viscosity other than those recommended could result in engine damage.

When choosing an oil, consider the range of temperature your vehicle will be operated in before the next oil change.

 

2000 2001 2002 2003 2004 KIA Optima Oil Capacity

Engine Oil capacity (with filter) Oil type
2.0L Engine 4.3 l (4.5 US qt.) 5W-30, 5W-20, 10W-30, 10W-40, 10W-50, 20W-20
2.5L V6 Engine 4.8 l 5W-30, 5W-20, 10W-30, 10W-40, 10W-50, 20W-20

To help achieve proper engine and powertrain performance and durability, use only lubricants of the proper quality.

The correct lubricants also help promote engine efficiency which results in improved fuel economy.

 

2005 2006 2007 2008 2009 KIA Optima Oil Capacity

Engine Oil capacity (with filter) Oil type
2.0L Engine 4.3 l (4.5 US qt.) 5W-30, 5W-20, 10W-30, 15W-40, 20W-50
2.7L V6 Engine 4.5 l (4.7 US qt.) 5W-30, 5W-20, 10W-30, 15W-40, 20W-50

 

2010 2009 2011 2012 2013 2014 KIA Optima Oil Capacity

Engine Oil capacity (with filter) Oil type
2.0 TGDI 4.6 l (4.86 US qt.) 5W-30, 5W-40
2.4 GDI 4.6 l (4.86 US qt.) 5W-30, 5W-20, 10W-30

Best 5W-30 motor oil:

Best 5W-20 motor oil:

Best 5W-40 motor oil:

Best 10W-30 motor oil:

 

2015 2016 2017 2018 KIA Optima Oil Capacity

Engine Oil capacity (drain and refill) Oil type
2.0 T-GDI 4 l (4.23 US qt.) 5W-30, 5W-20, 5W-40, 10W-30, 15W-40, 20W-50
2.4 GDI 4.8 l (5.07 US qt.) 5W-30, 5W-20, 5W-40, 10W-30, 15W-40, 20W-50
Diesel Engine U2 1.7 4.8 l (5.07 US qt.) 0W30, 5W30, 10W30, 15W40

Best 5W-20 motor oil:

Best 5W-40 motor oil:

Best 10W-30 motor oil:

 

2019 2020 2021 KIA Optima Oil Capacity (KIA K5)

Engine Oil capacity (drain and refill) Oil type
Smartstream G2.5 GDi 5.5 l (5.81 US qt.) 0W-20, 0W-30
Smartstream G1.6 T-GDi 4.8 l (5.07 US qt.) 0W-20
Smartstream G2.5 T-GDi 5.8 l (6.01 US wt.) 0W-30

Best 0W-20 motor oil:

Best 0W-30 motor oil:

Last update on 2021-07-07 / Affiliate links / Images from Amazon Product Advertising API

Thomas Buck

Thomas is our expert in the field of motor oils and lubricants. He worked for more than 15 years at the dealer service station and has vast practical experience, so he gladly agreed to be the editor and co-author of our articles about motors and motor oils.

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