2018 Cadillac XTS Specs, MPG & Trims

EPA fuel-economy data and specifications for the 2018 Cadillac XTS (18–22 MPG combined) across 3 listed configurations.

Overview

Body class
Large Cars
Drive
All-Wheel Drive, Front-Wheel Drive
Engine
6-cyl, 3.6 L
Fuel type
Premium Gasoline, Regular Gasoline
Combined MPG
18–22 MPG
Annual fuel cost
$3,050–$4,550
Configurations
3

MPG & fuel economy

City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.

EPA city, highway and combined ratings by powertrain for the 2018 Cadillac XTS. Electric configurations are rated in MPGe.
PowertrainCityHighwayCombinedAnnual fuel costCO2
6-cyl 3.6 L · Premium Gasoline · All-Wheel Drive162318$4,550486 g/mi
6-cyl 3.6 L · Regular Gasoline · All-Wheel Drive172620$3,350444 g/mi
6-cyl 3.6 L · Regular Gasoline · Front-Wheel Drive192822$3,050404 g/mi

Configurations & engine comparison

Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.

Every EPA-listed configuration for the 2018 Cadillac XTS (3 rows). "Configuration" is the EPA configuration/engine name.
Configuration / engineDriveTransmissionCyl.Displ. (L)Fuel typeCityHwyComb.Annual cost
XTSFront-Wheel DriveAutomatic (S6)63.6Regular Gasoline192822$3,050
XTS AWDAll-Wheel DriveAutomatic (S6)63.6Premium Gasoline162318$4,550
XTS AWDAll-Wheel DriveAutomatic (S6)63.6Regular Gasoline172620$3,350

Frequently asked questions

What is the combined MPG of the 2018 Cadillac XTS?

According to EPA data, the 2018 Cadillac XTS is rated at 18–22 MPG combined for its conventional-fuel configurations.

How many cylinders does the 2018 Cadillac XTS have?

The EPA data lists 6 cylinders for this vehicle.

What fuel type does the 2018 Cadillac XTS use?

It is offered with Premium Gasoline and Regular Gasoline.

What is the annual fuel cost of the 2018 Cadillac XTS?

The EPA estimates annual fuel costs ranging from $3,050 to $4,550.