The diesel is going away in the CX-5...
https://www.caranddriver.com/news/a35216165/mazda-cx-5-diesel-dead/
Mazda Kills CX-5 Skyactiv-D Diesel in the U.S.
The turbodiesel 2.2-liter engine only ended up on sale in America for a single model year, despite years of effort to get it certified here.
www.caranddriver.com