fueleconomy.gov/m

X 2017 Cadillac XTS Limo

3.6 L, 6 cyl, Auto (S6), Regular Gasoline

2017 Cadillac XTS Limo

EPA Fuel Economy

Combined: 17 MPG

City: 15 MPG

Highway: 21 MPG

19.4 barrels per year

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X 2016 Buick Regal

2.4 L, 4 cyl, Auto (S6), Regular Gasoline

2016 Buick Regal

MSRP: $27,065 - $34,065

EPA Fuel Economy

Combined: 23 MPG

City: 19 MPG

Highway: 30 MPG

MPG estimates for 2016 and older vehicles may have been revised. Learn More

14.3 barrels per year

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