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2014 Cadillac XTS VSport Platinum
Shown: 2014 Cadillac XTS VSport Platinum. Photo: SsmIntrigue, CC BY-SA 4.0, via Wikimedia Commons
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  • MY2013–2019

Cadillac XTS Limo MPG & Fuel Cost by Year

7 model years · 2013–2019

17 MPG
Combined
15 MPG
City
21 MPG
Highway
Annual cost · MY2019 XTS Limo 3.6L 6-cyl FWD
$3,820

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

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Cadillac XTS Limo fuel economy at a glance

EPA has rated the Cadillac XTS Limo for 7 model years, 2013 to 2019. Across those years its combined rating runs 17 MPG. The latest model year, 2019, has 1 configuration rated 17 MPG combined and costing $3,820 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2013 is the 2019 XTS Limo 3.6L 6-cyl FWD, at 17 MPG.

Cadillac XTS Limo MPG by year

1618 20132019 Gas 1618 20132019 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Cadillac XTS Limo: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2013-2019 (2013) Generation page
2019 17 $3,820
2018 17 $3,870
2017 17 $3,870
2016 17 $3,870
2015 17 $3,870
2014 17 $3,820
2013 17 $3,870

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Cadillac XTS Limo generations

1 generations between 2013 and 2019. Open one for the table of every model year and configuration.

2014 Cadillac XTS VSport Platinum

2013-2019 Cadillac XTS Limo (2013)

17 MPG · $3,820–$3,870/yr

2019 powertrain options

Gas · 3.6L
Combined
17 MPG
Per year
$3,820
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Cadillac XTS Limo's gas mileage by year?

EPA combined ratings for the Cadillac XTS Limo run 17 MPG across model years 2013 to 2019. The latest year, 2019, is rated 17 MPG.

Which Cadillac XTS Limo model year has the best gas mileage?

The 2019 Cadillac XTS Limo XTS Limo 3.6L 6-cyl FWD has the highest combined rating since 2013, at 17 MPG.

How much does a Cadillac XTS Limo cost to fuel per year?

For MY2019, EPA-rated configurations cost $3,820 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,820.

Has the Cadillac XTS Limo's fuel economy improved over time?

Not much. The most efficient configuration is rated 17 MPG in both 2013 and 2019.

Which Cadillac XTS Limo model years have the same ratings?

EPA lists identical ratings as the previous year for 2018. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.