MotorDeets

2018 Cadillac Ats: Recalls, Problems & MPG

Here are the deets on the 2018 Cadillac Ats: 2 recalls, 22 owner complaints and up to 25 mpg combined.

2vehicle recalls
22owner complaints
1mention a crash
25best combined mpg
2018 Cadillac Ats
Photo: Navigator84 · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

2 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.

Fuel system Vehicle recall #18V358000 · 2018 · 895 vehicles

What's wrong: The high pressure fuel pump May detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.

Why it matters: A damaged fuel line can create a fuel leak, increasing the risk of a fire.

The fix: 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.

Steering Vehicle recall #25V175000 · 2025 · 934 vehicles

What's wrong: The electric power steering (eps) assist May fail.

Why it matters: A loss of power steering assist can require greater steering effort, especially at low speeds, increasing the risk of a crash.

The fix: Dealers will replace the power steering gear assembly, free of charge. Owner notification letters were mailed April 15, 2025.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 1 injuries and 0 deaths were reported.

Transmission & drivetrain7
Electrical3
Steering3
Exterior lights2
Fuel & propulsion2
Other / unknown2
Airbags2
Engine1

What owners describe

The 2018 Cadillac Ats has 22 owner complaints, ranking #6 of 7 Ats model years for complaints (well below the 54 average). Complaints peaked in 2023 (6 filed that year). The typical problem showed up when the car was about 5 years old, at a median of 28,899 miles. Neighboring years: 2017 (32 complaints, 2 recalls), 2019 (2 complaints, 0 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
2.0 L 4-cyl turboAutomatic (S8)Rear-Wheel Drive223125Premium
3.6 L 6-cylAutomatic (S8)Rear-Wheel Drive203024Regular
2.0 L 4-cyl turboManual 6-spdRear-Wheel Drive202923Premium

Want the full repair deets? Get the factory manual.

Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2018 Cadillac Ats.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
Check 2018 Cadillac Ats manual
Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
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ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
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Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check 2018 Cadillac Ats manual

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FAQ

Does the 2018 Cadillac Ats have any recalls?

Yes. NHTSA lists 2 vehicle recalls for the 2018 Cadillac Ats. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.

What are the most common 2018 Cadillac Ats problems?

Owners have filed 22 complaints with NHTSA. The most-reported areas are transmission & drivetrain (7), electrical (3), steering (3).

What gas mileage does the 2018 Cadillac Ats get?

EPA ratings run up to 25 mpg combined (2.0 L, Automatic (S8)), across 3 engine and transmission combos.

Where can I get a 2018 Cadillac Ats repair manual?

eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.

Other Ats years

2013201420152016201720182019