- Newest year: 2019
- Gas
- Large cars
2013-2019 Cadillac XTS MPG & Fuel Cost
7 model years · 18–22 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 7 of 10 large car configurations, MY2019. Ranked against all rated configurations, not sales-weighted.
2013-2019 Cadillac XTS at a glance
The 2013-2019 Cadillac XTS covers 7 model years in the EPA database (20 configurations in all), rated 18–22 MPG combined. The newest model year, 2019, costs about $3,000 a year to fuel for its most efficient version, the XTS 3.6L 6-cyl FWD (22 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2014, 2015, 2016, 2017, 2018 and 2019. The best combined rating in the generation, 22 MPG, was reached in 2017, 2018 and 2019.
2013-2019 Cadillac XTS by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2019 | Gas | 18–22 MPG | $3,000–$4,380 | Ratings changed |
| 2018 | Gas | 18–22 MPG | $2,950–$4,380 | Ratings changed |
| 2017 | Gas | 18–22 MPG | $3,030–$3,560 | Ratings changed |
| 2016 | Gas | 18–21 MPG | $3,040–$4,380 | Ratings changed |
| 2015 | Gas | 19–21 MPG | $3,080–$3,490 | Ratings changed |
| 2014 | Gas | 19–21 MPG | $3,070–$4,290 | Ratings changed |
| 2013 | Gas | 20–21 MPG | $3,160–$3,290 | First year |
What the 2019 XTS 3.6L 6-cyl FWD costs to drive
Per month
$250
$3,000 a year ÷ 12
Per 25 miles
$5.00
Per 100 miles
$20.00
Five years
$15,000
5 × the yearly cost, prices held at today's level
vs the large car median
$440less a year
Class median $3,440 a year, MY2019
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2019 Cadillac XTS MPG
Versus 2018: The most efficient configuration stays at 22 MPG. Its annual cost goes from $2,950 to $3,000, $50 more.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XTS 3.6L 6-cyl FWD (Most efficient) | 3.6L 6-cyl | FWD | 19 | 28 | 22 | $3,000 |
| XTS 3.6L 6-cyl AWD | 3.6L 6-cyl | AWD | 17 | 26 | 20 | $3,270 |
| XTS 3.6L 6-cyl turbo | 3.6L 6-cyl turbo | AWD | 16 | 23 | 18 | $4,380 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2018 Cadillac XTS MPG
18–22 MPG · $2,950–$4,380/yr
Versus 2017: The most efficient configuration stays at 22 MPG. Its annual cost goes from $3,030 to $2,950, $80 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XTS 3.6L 6-cyl FWD (Most efficient) | 3.6L 6-cyl | FWD | 19 | 28 | 22 | $2,950 |
| XTS 3.6L 6-cyl AWD | 3.6L 6-cyl | AWD | 17 | 26 | 20 | $3,270 |
| XTS 3.6L 6-cyl turbo | 3.6L 6-cyl turbo | AWD | 16 | 23 | 18 | $4,380 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2017 Cadillac XTS MPG
18–22 MPG · $3,030–$3,560/yr
Versus 2016: The most efficient configuration moves from 21 to 22 MPG, up 1. Its annual cost goes from $3,040 to $3,030, $10 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XTS 3.6L 6-cyl FWD (Most efficient) | 3.6L 6-cyl | FWD | 18 | 28 | 22 | $3,030 |
| XTS 3.6L 6-cyl AWD | 3.6L 6-cyl | AWD | 17 | 26 | 20 | $3,220 |
| XTS 3.6L 6-cyl turbo | 3.6L 6-cyl turbo | AWD | 16 | 23 | 18 | $3,560 |
2016 Cadillac XTS MPG
18–21 MPG · $3,040–$4,380/yr
Versus 2015: The most efficient configuration stays at 21 MPG. Its annual cost goes from $3,080 to $3,040, $40 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XTS 3.6L 6-cyl FWD (Most efficient) | 3.6L 6-cyl | FWD | 18 | 28 | 21 | $3,040 |
| XTS 3.6L 6-cyl AWD | 3.6L 6-cyl | AWD | 17 | 26 | 20 | $3,240 |
| XTS 3.6L 6-cyl turbo | 3.6L 6-cyl turbo | AWD | 16 | 23 | 18 | $4,380 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2015 Cadillac XTS MPG
19–21 MPG · $3,080–$3,490/yr
Versus 2014: The most efficient configuration stays at 21 MPG. Its annual cost goes from $3,070 to $3,080, $10 more.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XTS 3.6L 6-cyl FWD (Most efficient) | 3.6L 6-cyl | FWD | 18 | 28 | 21 | $3,080 |
| XTS 3.6L 6-cyl AWD | 3.6L 6-cyl | AWD | 17 | 26 | 20 | $3,220 |
| XTS 3.6L 6-cyl turbo | 3.6L 6-cyl turbo | AWD | 16 | 24 | 19 | $3,490 |
2014 Cadillac XTS MPG
19–21 MPG · $3,070–$4,290/yr
Versus 2013: The most efficient configuration stays at 21 MPG. Its annual cost goes from $3,160 to $3,070, $90 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XTS 3.6L 6-cyl FWD (Most efficient) | 3.6L 6-cyl | FWD | 18 | 28 | 21 | $3,070 |
| XTS 3.6L 6-cyl AWD | 3.6L 6-cyl | AWD | 17 | 26 | 20 | $3,290 |
| XTS 3.6L 6-cyl turbo | 3.6L 6-cyl turbo | AWD | 16 | 24 | 19 | $4,290 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2013 Cadillac XTS MPG
20–21 MPG · $3,160–$3,290/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XTS 3.6L 6-cyl FWD (Most efficient) | 3.6L 6-cyl | FWD | 17 | 27 | 21 | $3,160 |
| XTS 3.6L 6-cyl AWD | 3.6L 6-cyl | AWD | 17 | 26 | 20 | $3,290 |
Fuel cost by state
Yearly cost of the XTS 3.6L 6-cyl FWD: $4,080 in California and $2,620 in Texas, a $1,460 difference.
- California $4,080
- Washington $3,780
- New York $3,000
- Florida $2,840
- Texas $2,620
Similar cars
Closest combined MPG among MY2019 large car models.
Generations
- 2013-2019 (2013)
Frequently asked questions
What gas mileage does the 2013-2019 Cadillac XTS get?
EPA rates the 2013-2019 Cadillac XTS at 18–22 MPG combined across 20 configurations and 7 model years. The most efficient version, the 2019 XTS 3.6L 6-cyl FWD, is rated 22 MPG (19 city, 28 highway).
Which years had the best MPG in the 2013-2019 Cadillac XTS?
The XTS 3.6L 6-cyl FWD reached the generation's best combined rating, 22 MPG, in 2017, 2018 and 2019. The lowest top rating, 21 MPG, was in 2013, 2014, 2015 and 2016.
Did EPA ratings change during the 2013-2019 Cadillac XTS?
Yes. Ratings changed in 2014, 2015, 2016, 2017, 2018 and 2019.
How much does it cost to fuel a 2019 Cadillac XTS per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the XTS 3.6L 6-cyl FWD costs about $3,000 a year. Across all 3 configurations the cost runs $3,000–$4,380 a year. That is a $1,380 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2019 Cadillac XTS 100 miles?
About $20.00 per 100 miles for the XTS 3.6L 6-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $20.00 and $29.20 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2019 Cadillac XTS more efficient in the city or on the highway?
The XTS 3.6L 6-cyl FWD is rated 19 city and 28 highway MPG, so it is more efficient on the highway, by 9 MPG.
How does the 2019 Cadillac XTS compare with other large car configurations?
The XTS 3.6L 6-cyl FWD costs about $3,000 a year to fuel, $440 less than the class median of $3,440, and less than 7 of 10 large car configurations. The comparison covers all 134 rated large car configurations for MY2019, not weighted by sales.
Is the 2019 Cadillac XTS different from the 2018 model?
The most efficient configuration stays at 22 MPG. Its annual cost goes from $2,950 to $3,000, $50 more. EPA lists 3 configurations for 2019 against 3 configurations for 2018. See the 2018 Cadillac XTS for that year.