2018 Cadillac XTS
US · Large Cars
The 2018 Cadillac XTS is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 3.6L 6-cylinder (SIDI), 3.6L 6-cylinder turbocharged (SIDI)
- Transmission
- 6-speed automatic
- Drivetrain
- Varies by configuration: FWD, AWD
- Fuel
- Gasoline
- Economy
- 18 mpg (13.1 L/100 km) to 22 mpg (10.7 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 3.6L 6-cylinder (SIDI), 3.6L 6-cylinder turbocharged (SIDI) | |
| Displacement | 3.6 L | |
| Cylinders | 6 | |
| Aspiration | Turbocharged | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 6 | |
| Drivetrain | Varies by configuration: FWD, AWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 18 mpg (13.1 L/100 km) to 22 mpg (10.7 L/100 km) | EPA fueleconomy.gov |
| City | 16 mpg (14.7 L/100 km) to 19 mpg (12.4 L/100 km) | |
| Highway | 23 mpg (10.2 L/100 km) to 28 mpg (8.4 L/100 km) |
Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
3 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 1 recall campaign for this model year. Last checked November 10, 2026.
18V576000: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.
Remedy: GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006,…
Reported August 30, 2018. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved November 5, 2026 · US Government public data
- NHTSA vPIC · retrieved October 12, 2026 · US Government public data
Source checked: November 5, 2026
Data verified: November 5, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2017 Cadillac XTS
Gasoline
Varies by configuration: 3.6L 6-cylinder (SIDI), 3.6L 6-cylinder turbocharged (SIDI) · Varies by configuration: FWD, AWD
22 mpg (10.7 L/100 km) to 18 mpg (13.1 L/100 km) - 2019 Cadillac XTS
Gasoline
Varies by configuration: 3.6L 6-cylinder (SIDI), 3.6L 6-cylinder turbocharged (SIDI) · Varies by configuration: FWD, AWD
22 mpg (10.7 L/100 km) to 18 mpg (13.1 L/100 km)
Frequently asked questions
What engine does the 2018 Cadillac XTS have?
Varies by configuration: 3.6L 6-cylinder (SIDI), 3.6L 6-cylinder turbocharged (SIDI). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2018 Cadillac XTS?
Combined fuel economy is 18 mpg (13.1 L/100 km) to 22 mpg (10.7 L/100 km), as published by the source shown in the specification table.
Is the 2018 Cadillac XTS front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: FWD, AWD.
Are there recalls for the 2018 Cadillac XTS?
NHTSA lists 1 recall campaign for this model year (last checked November 10, 2026). Details are in the Recalls section.