2020 Cadillac XTS Specs: MPG, Gas Mileage, Engine Size & Dimensions
2020 Cadillac XTS Specs at a Glance
The 2020 Cadillac XTS gets 22 mpg combined on the 3.6L Front-Wheel Drive configuration, weighs 4,200 lbs, measures 202 in long. Figures are per configuration, not a single official number — other trims rate as low as 18 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.
- Combined MPG
- 22 mpg (19 city / 28 hwy)
- Best configuration: 3.6L · Front-Wheel Drive · Automatic (S6) · other 2020 trims rate 18–22 mpg combined
- Engine
- 3.6L 6-cyl
- 3.6L · Front-Wheel Drive · Automatic (S6)
- Curb weight
- 4,200 lbs
- Heaviest recorded configuration: XTS 4DR SEDAN AWD
- Length
- 202 in · 72.8 in wide · 58.3 in tall
- Wheelbase
- 111.8 in
- NHTSA overall
- 5-star (2017)
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Dimensions & Size
Dimensions for every year and trim
View details →Curb Weight
Curb Weight for every year and trim
View details →NHTSA Safety Ratings
Safety for every year and trim
View details →Cadillac XTS — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2019 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | Front-Wheel Drive | 19 | 28 | 22 | Regular Gasoline |
| 2019 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 16 | 23 | 18 | Premium Gasoline |
| 2019 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 17 | 26 | 20 | Regular Gasoline |
| 2018 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 16 | 23 | 18 | Premium Gasoline |
| 2018 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | Front-Wheel Drive | 19 | 28 | 22 | Regular Gasoline |
| 2018 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 17 | 26 | 20 | Regular Gasoline |
| 2017 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | Front-Wheel Drive | 18 | 28 | 22 | Regular Gasoline |
| 2017 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 17 | 26 | 20 | Regular Gasoline |
| 2017 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 16 | 23 | 18 | Regular Gasoline |
| 2016 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | Front-Wheel Drive | 18 | 28 | 21 | Regular Gasoline |
| 2016 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 17 | 26 | 20 | Regular Gasoline |
| 2016 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 16 | 23 | 18 | Premium Gasoline |
| 2015 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | Front-Wheel Drive | 18 | 28 | 21 | Regular Gasoline |
| 2015 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 16 | 24 | 19 | Regular Gasoline |
| 2015 | Auto (S6), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S6) | All-Wheel Drive | 17 | 26 | 20 | Regular Gasoline |
Compare across every brand
All Cadillac XTS specifications
Cadillac XTS — Frequently Asked Questions
What is the fuel economy of the 2019 Cadillac XTS?
The Cadillac XTS is EPA-rated at up to 22 MPG combined (19 city / 28 highway).
What engine does the 2019 Cadillac XTS have?
The Cadillac XTS uses a 3.6L 6-cylinder engine paired with an Automatic transmission.
What years of the Cadillac XTS are covered here?
This page documents 15 verified Cadillac XTS configurations across model years 2015–2019.
Which model year of the Cadillac XTS is the most fuel efficient?
The 2019 Cadillac XTS holds the highest combined rating at 22 MPG; the 2015 sits lowest at 21 MPG, a difference of 1 MPG (about 5%) across the 5 rated years on file.
How many engine options does the Cadillac XTS have?
Across every year on record the Cadillac XTS uses one displacement, 3.6L, so trims differ by drivetrain and equipment rather than engine size.
Is the 2019 Cadillac XTS front-wheel drive or all-wheel drive?
The Cadillac XTS appears in 2 drivetrain layouts across the years documented here — Front-Wheel Drive, All-Wheel Drive — with the latest 2019 record on Front-Wheel Drive.