From what I could gather from two websites, I'd say it is an interference engine. Since it has only a 4 qt. oil capacity, I'd personally would go no longer than 5k miles per oil change. AND, please do your engine a favor, forget the 0w-20. (Unless you live in place w/VERY, VERY cold winters.) Use a higher viscosity oil, either a light 5w-30 oil such as Pennzoil Platinum 5w-30. (My last 3 OC's were w/a blend I made using Pennzoil Ultra Platinum 0w-20 and 5w-30. Engine runs much smoother w/less valve train noise. This engine is spec'd for 5w-30 and thicker viscosity everywhere around the globe. IMO, this will help w/the longevity of the timing chain as well...shorter oil change intervals and thicker oil. This is a wonderful driving and very well made small SUV.