The iridium tipped OEM spark plugs in a third generation (2011, 2012, 2013, 2014 & 2015) Kia Sportage should last up to 100,000 miles but they should be checked before that mileage. To view my DIY tutorial for the procedure (including replacement part numbers) click on the text link or thumbnail image below.
2011-2015 Kia Sportage Engine Spark Plugs Replacement Guide
