2007 Nissan hybrid mpg Gas Mileage of 2007 Nissan Altima - Fuel Economy 2007 Nissan Altima. EPA MPG Owner MPG Estimates 2007 Nissan Altima 4 cyl, 2.5 L, Automatic (variable gear ratios) Regular Gasoline: View... Source Source Source Source Source Source Source Source Source Source Read Also: 2007 Nissan altima hybrid fuel economy 2007 Nissan altima fuel economy canada 2007 Nissan altima mpg 4 cylinder 2007 Nissan altima 4 cyl mpg 2007 Nissan altima hybrid 2.5 mpg Many mpg does 2007 nissan altima get