K Kardashian New member Jan 11, 2010 #1 Now i have a 4.0 fuel efficencey engine what does that actually mean? and is 4.0 more power then lets say a 3.0 non fuel efficencey vehicle? how or even how much power is a 4.0?
Now i have a 4.0 fuel efficencey engine what does that actually mean? and is 4.0 more power then lets say a 3.0 non fuel efficencey vehicle? how or even how much power is a 4.0?