What engine saves the most gas?


What engine saves the most gas? Generally, a four-cylinder engine offers better fuel economy than a six-cylinder. Its better fuel economy is mostly due to having less horsepower but also by being smaller and reducing the weight of your car. Add in turbocharging, and there's even more improvement in fuel efficiency and performance.


What car wastes the most gas?

  • Rolls-Royce Wraith – 14 mpg (mid-size) ...
  • Rolls-Royce Dawn – 14 mpg (compact) ...
  • Ford Mustang Shelby GT500 – 14 mpg (subcompact) ...
  • Lamborghini Aventador coupe and roadster – 10 mpg (two-seater) ...
  • Bugatti Chiron Pur Sport - 10 mpg (two-seater) ...
  • Vehicles Tested with the Worst Real-World Highway MPG.