Cadillac XTS MPG and Fuel Economy
Cadillac have been manufacturing models of XTS for 7 years, with the latest vehicle in 2019 having a combined MPG of 22.
The estimated fuel cost for the 2019 Cadillac XTS is $2,850 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $2,750 more on fuel driving a 2019 Cadillac XTS.
🛢 The Cadillac XTS will consume roughly 14 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Cadillac XTS will emit 408 grams of CO2, which is about 6,120,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 292 trees would be needed to offset emissions from the Cadillac XTS.
The table below is a complete list of the 7 Cadillac XTS fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2019 Cadillac XTS | 22 | $2,850 |
| 2018 Cadillac XTS | 22 | $2,850 |
| 2017 Cadillac XTS | 22 | $2,850 |
| 2016 Cadillac XTS | 21 | $3,000 |
| 2015 Cadillac XTS | 21 | $3,000 |
| 2014 Cadillac XTS | 21 | $3,000 |
| 2013 Cadillac XTS | 21 | $3,000 |
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"Cadillac XTS MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/cadillac/xts.
"Cadillac XTS MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/cadillac/xts. Accessed January 3, 2026.
Cadillac XTS MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/cadillac/xts.