fueleconomy.gov/m

X 2019 Buick Regal TourX AWD

2.0 L, 4 cyl, Auto (S8), Premium Gasoline

2019 Buick Regal TourX AWD

MSRP: $29,070 - $35,070

EPA Fuel Economy

Combined: 24 MPG

City: 21 MPG

Highway: 29 MPG

Tailpipe CO2

365 grams per mile

Additional CO2 emissions result from production, manufacture, and transportation of the fuel.

Click to show total emissions

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X 2019 Porsche Boxster GTS

2.5 L, 4 cyl, Auto (AM-S7), Premium Gasoline

2019 Porsche Boxster GTS

MSRP: $82,800

EPA Fuel Economy

Combined: 22 MPG

City: 20 MPG

Highway: 26 MPG

Tailpipe CO2

400 grams per mile

Additional CO2 emissions result from production, manufacture, and transportation of the fuel.

Click to show total emissions

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