Verdict
2018 Cadillac ATS: Complaints, Recalls & Known Issues
What the public record actually says about the 2018 Cadillac ATS — every figure below is a NHTSA or EPA number, not an opinion.
The read
Middle-of-the-pack complaint volume for sedan.
Owners filed 21 NHTSA complaints — fewer complaints than 64% of 2018 sedans. Power Train leads the reports (29%). 2 safety recall campaigns on record — check the VIN and remedy terms with a dealer.
Based on NHTSA complaint volume against 2018 sedans, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.
Complaints filed
21
Reports to NHTSA, 2018
Safety recalls
2
NHTSA campaigns on record
NHTSA crash test
Overall NCAP rating
Combined MPG
24
EPA estimate
Complaint volume vs. segment peers
Fewer complaints than 64% of 2018 sedans
The bar is this car's percentile among 2018 sedans by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.
Known issues
Power Train issues lead owner complaints (29% of 21 reports), followed by electrical system (14%).
+ 2 more component categories with fewer reports.
Share of all 21 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11672691, ODI 11557178, ODI 11528735, ODI 11504832, ODI 11467229.
Recalls(2)
Open a recall to read what NHTSA says is wrong, what can happen, and how it gets fixed. Check the VIN and remedy eligibility with a dealer; federal no-charge requirements have an age limit, though a manufacturer may offer more coverage.
Fuel System · 18V358000Details +Close −
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.
Risk: A damaged fuel line can create a fuel leak, increasing the risk of a fire.
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 service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.
Steering · 25V175000Details +Close −
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.
Risk: A loss of power steering assist can require greater steering effort, especially at low speeds, increasing the risk of a crash.
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. GM's number for this recall is N252497020.
A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.
Investigations
0 NHTSA investigations on record
No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.
Crash-test ratings
2018 Cadillac ATS 4 DR RWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
2018 Cadillac ATS 4 DR AWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
2018 Cadillac ATS 2DR AWD NHTSA source
- Overall
- Not rated
- Frontal
- Not rated
- Side
- Not rated
- Rollover
- Not rated
2018 Cadillac ATS 2DR RWD NHTSA source
- Overall
- Not rated
- Frontal
- Not rated
- Side
- Not rated
- Rollover
- Not rated
Fuel economy by trim
| Trim | Engine | Drivetrain | Transmission | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| ATS | 2.0L 4-cyl | Rear-Wheel Drive | Automatic (S8) | 22 | 31 | 25 |
| ATS | 3.6L 6-cyl | Rear-Wheel Drive | Automatic (S8) | 20 | 30 | 24 |
| ATS | 2.0L 4-cyl | Rear-Wheel Drive | Manual 6-spd | 20 | 29 | 23 |
EPA laboratory estimates by trim and engine. Actual mileage varies with driving, weather, load, and maintenance. EPA source.
Before you buy
Useful next checks
Federal records tell you about patterns. These checks can tell you more about the specific car in front of you.
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Compare model years
"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.
2018 Cadillac ATS: frequently asked
What does the complaint record show for the 2018 Cadillac ATS?
Owners filed 21 NHTSA complaints about the 2018 Cadillac ATS — fewer complaints than 64% of comparable 2018 sedans, so it sits toward the stronger end of its class. That's a signal, not a guarantee about any single car.
What are the most common problems on the 2018 Cadillac ATS?
The most-reported problem areas are Power Train (29% of complaints) and electrical system (14%).
How many recalls does the 2018 Cadillac ATS have?
2 recalls have been issued that affect the 2018 Cadillac ATS, covering components such as fuel system. Check the VIN with NHTSA and ask a dealer to confirm remedy eligibility; federal no-charge requirements have an age limit, though manufacturers may offer more coverage.
What gas mileage does the 2018 Cadillac ATS get?
The EPA rates the 2018 Cadillac ATS between 23 and 25 mpg combined, depending on trim and drivetrain.