2015 Cadillac XTS Fuel Economy
EPA fuel economy and emissions data
Fuel Economy
18
City
28
Highway
21
Combined
Annual Fuel Cost
$2,850
Based on 15,000 miles per year
Emissions
CO2 (grams/mile)419
Fuel TypeRegular Gasoline
About EPA Fuel Economy Data
Fuel economy estimates are provided by the US Environmental Protection Agency (EPA). Actual mileage will vary depending on driving conditions, driving habits, and vehicle maintenance. City fuel economy reflects stop-and-go driving. Highway fuel economy reflects steady-speed driving at 55 mph.
View on fueleconomy.gov