2018 Cadillac ATS
US · Compact Cars
The 2018 Cadillac ATS 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 2.0L 4-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI)
- Transmission
- Varies by configuration: Manual, Automatic
- Drivetrain
- Varies by configuration: RWD, AWD
- Fuel
- Gasoline
- Economy
- 22 mpg (10.7 L/100 km) to 25 mpg (9.4 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI) | |
| Displacement | 2.0 L to 3.6 L | |
| Cylinders | 4 to 6 | |
| Aspiration | Turbocharged | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Varies by configuration: Manual, Automatic | |
| Gears | 6 to 8 | |
| Drivetrain | Varies by configuration: RWD, AWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 22 mpg (10.7 L/100 km) to 25 mpg (9.4 L/100 km) | EPA fueleconomy.gov |
| City | 19 mpg (12.4 L/100 km) to 22 mpg (10.7 L/100 km) | |
| Highway | 27 mpg (8.7 L/100 km) to 31 mpg (7.6 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Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity.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
5 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 2 recall campaigns for this model year. Last checked November 10, 2026.
25V175000: STEERING:ELECTRIC POWER ASSIST SYSTEM
General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CTS, 2017-2018 Cadillac ATS, Chevrolet Camaro, and Chevrolet Corvette vehicles. The electric power steering (EPS) assist may fail.
Remedy: Dealers will replace the power steering gear assembly, free of charge. Owner notification letters were mailed April 15, 2025. Owners may contact Cadilac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020.…
Reported March 20, 2025. View on NHTSA
18V358000: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.
Remedy: GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer…
Reported May 31, 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 ATS
Gasoline
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI), 2.5L 4-cylinder (SIDI) · Varies by configuration: RWD, AWD
26 mpg (9.0 L/100 km) to 22 mpg (10.7 L/100 km) - 2019 Cadillac ATS
Gasoline
Varies by configuration: 3.6L 6-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI), 2.0L 4-cylinder turbocharged (SIDI) · Varies by configuration: RWD, AWD
25 mpg (9.4 L/100 km) to 19 mpg (12.4 L/100 km)
Frequently asked questions
What engine does the 2018 Cadillac ATS have?
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2018 Cadillac ATS?
Combined fuel economy is 22 mpg (10.7 L/100 km) to 25 mpg (9.4 L/100 km), as published by the source shown in the specification table.
Is the 2018 Cadillac ATS front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, AWD.
Are there recalls for the 2018 Cadillac ATS?
NHTSA lists 2 recall campaigns for this model year (last checked November 10, 2026). Details are in the Recalls section.