The Q70 has a 330-horsepower V6 engine that provides enough power for daily driving. If you want to make this mid-size sedan feel fast, choose the optional 420 HP V8. Infiniti shuts down 2020 hybrid models. The Q70 is the flagship of the Infiniti sedan. The long-wheelbase version is the largest and most powerful sedan in the automotive industry, and its price/size strategy makes it a Mercedes S-Class, BMW 7 Series, and Lexus LS, Mercedes E-Class, BMW V-Class or Lexus GS.