2017 BMW 7 Series: The flagship sedan of the BMW brand is the 2017 BMW 7 Series. It receives only minor changes this year, as it's poised to continue competing against the Lexus LS and Mercedes-Benz S-Class.The 7 Series is available with a 3.0-liter twin-turbocharged inline six-cylinder (740i) engine or a 4.4-liter twin-turbo V8 (750i). A plug-in hybrid version is available as well. The gasoline versions are available with either rear- or all-wheel drive, while the plug-in is all-wheel drive only. Fuel economy for the 740i is 21 mpg city/29 mpg highway (19/28 with all-wheel drive) and 17/26 for the 750i (16/25 with all-wheel dirve). The 740i ePerformance plug-in is rated at 64 MPGe. All use an eight-speed automatic transmission.Available features include stability control, traction controlkeyless entry and starting, a power trunk release, navigation system, USB port, satellite radio, premium audio, Bluetooth and power moonroof.Base price for the 2017 BMW 7 Series is $82,495, including the $995 destination fee.