Question: are jettas good on gas?
Answer: Volkswagen lists the fuel economy of the 2019 Volkswagen Jetta as 30 city / 40 highway. This means that in the city, the 2019 Jetta is rated as traveling thirty miles on one gallon of gas, while on the highway it can travel forty miles on a single gallon. This adds up to a combined fuel economy of 34 mpg.