How does the Audi Q7 perform in terms of fuel efficiency, and what type of fuel economy can drivers expect?

The fuel efficiency of the Audi Q7 varies depending on the engine option and driving conditions. The 2.0-liter engine is the most fuel-efficient, with an EPA-estimated fuel economy of 19 mpg in the city and 23 mpg on the highway. The 3.0-liter engine has an EPA-estimated fuel economy of 17 mpg in the city and 21 mpg on the highway. The 4.0-liter engine has an EPA-estimated fuel economy of 15 mpg in the city and 21 mpg on the highway.