The BMW 7 Series 2011 has an EPA-estimated fuel economy of 16 mpg city/24 mpg highway for the 3.0-liter turbocharged inline-six engine, 15 mpg city/22 mpg highway for the 4.4-liter twin-turbocharged V8 engine, and 13 mpg city/19 mpg highway for the 6.0-liter twin-turbocharged V12 engine.