Question: are cadillacs good on gas?
Answer: What Cadillac Has the Best Gas Mileage? ... The 2019 Cadillac CT6, when equipped with the standard 2.0-liter Turbo 4-cylinder engine, offers the most fuel-efficient performance in the lineup of 2019 Cadillac models. The 2019 Cadillac CT6 can return up to 24 city mpg, 34 highway mpg and 28 combined mpg.