Mazda claims a 5–8% improvement on the EPA highway cycle. In real-world driving, here is what owners report on Fuelly.com:
To appreciate VCM 3, you need context. Mazda experimented with cylinder deactivation in the past (notably on the Mazda 2 and some diesel engines in Japan), but the modern era began with . mazda vcm 3
VNCI VCM3 для Ford/Mazda - Автосканеры - OBDmaster Mazda claims a 5–8% improvement on the EPA highway cycle
If you have owned a Honda Odyssey or Accord from 2008–2013, you might have PTSD regarding cylinder deactivation. Those Honda engines suffered from . mazda vcm 3