Volkswagen's most popular series comes in sedan and wagon forms and with a choice of powertrains that includes turbocharged and diesel engines. The Jetta is closely related to the Golf hatchback. Prices start around $17,000. EPA Fuel Economy: City: 21 – 38 Highway: 29 – 47 Available Engines: 100-hp to 200-hp Available Transmissions: 4, 5 and 6 speeds.