To provide a more accurate description, the 2.3-liter EcoBoost engine can achieve a maximum of 21 miles per gallon in city driving conditions and up to 32 miles per gallon on the highway. Conversely, the 5.0-liter Ti-VCT V8 engine has a city fuel efficiency rating of up to 16 miles per gallon and can reach a maximum of 25 miles per gallon on the highway.