CARFOCALvehicle research
Research CarsCompareRankingsArticles
  1. Home›
  2. Manufacturers›
  3. Cadillac›
  4. ATS›
  5. 2018

2018 Cadillac ATS Report

Known issues, recalls, running costs, and what to check before you buy.

Updated May 30, 2026·Daniel Wilson·3 Critical Recalls

Overall Score

6.4/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • The 2018 Cadillac ATS has an 'Average' reliability rating, with significant concerns in its powertrain and electrical systems.
  • Critical recalls for the electric power steering assist and high-pressure fuel pump require verification of completion.
  • Common owner complaints include issues with the powertrain, electrical system, and steering.
  • A thorough pre-purchase inspection focusing on steering, fuel system, transmission, and electrical components is essential.
See the 5 checks before you buyFree • Takes 20s • Saves Thousands $
OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2018 Cadillac ATS

The 2018 Cadillac ATS aims for the luxury sport sedan segment, blending sharp styling with athletic handling. Under the hood, it typically features a 2.0-liter turbocharged four-cylinder engine, paired with rear-wheel drive or all-wheel drive. While it offers a compelling driving experience, used buyers must be aware of its reliability record. The ATS has faced notable recalls and owner complaints, particularly around its powertrain, electrical systems, and steering. A comprehensive inspection is crucial for any potential buyer.

Critical Failure Risk

Complaints indicate transmission shudder and potential rear differential failures. These issues can arise around 50,000 to 84,000 miles, impacting drivability and requiring significant repair.

Early detection can help you avoid a $1,500-$4,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls3
Service Bulletins0
Full Recall History →

Owner Complaints

25
Power Train6
Detailed Issue Breakdown →

Performance & Efficiency

Horsepower
272–335HP
Torque
295–335 lb–ftLB-FT
Fuel Efficiency
Combined
23
MPG
City
20
MPG
Highway
29
MPG
Full Vehicle Specifications ↓

Reliability

7.9/ 10

Practicality

3.6/ 10

The score is mainly limited by high fuel consumption, small boot, and limited door access.

Buyer Fit

Who This Car Is For

Best for

Drivers seeking a sporty, rear-drive luxury sedan with engaging handling.

+2 more buyer-fit notes in the full report

Avoid if

Owners who demand top-tier reliability and minimal unscheduled maintenance.

+2 more buyer-fit warnings in the full report

2018 Cadillac ATS Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2018 Cadillac ATS.

  • Recall TimelineOfficial safety notices
  • Owner ComplaintsReal driver reports
  • Failure AnalysisKnown part defects
Specs

Vehicle Specs

Fuel Type
Premium
Seating Capacity
5
Horsepower
272-335 hp
Torque
295-335 lb-ft
Transmission
Automatic
Drivetrain
AWD/All-Wheel Drive
Body Style
Sedan
MSRP Range
$35,490 - $50,395
EPA Combined MPG
23

CarFocal account required

See the full 2018 Cadillac ATS buyer report before you decide

Unlock the complete checklist, maintenance outlook, and buyer verdict in one place.

Most Common Issues

1. Powertrain

Most reported

Usage: 6 reports

2. Electrical System

Usage: 3 reports

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake Inspection - Fluid Level Checks (Coolant, Brake, Power Steering)

Est. shop cost: $100 - $200

7,500 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist
Complete maintenance schedule (5 service intervals)
Repair forecasts with mileage and cost context
Full buyer-fit guidance and who should avoid it
Full specs and trim-level context
3 recall campaign details & remedy notes
Create free account

Free • Takes 20 seconds • Saves Thousands $

Already have an account? Log in

FAQ

FAQ

Is the 2018 Cadillac ATS reliable?▾

The CarFocal Reliability Score for the 2018 Cadillac ATS is 7.9/10. Reliability score is 7.9/10. NHTSA recalls: 3. Owner complaints: 25.

How practical is the 2018 Cadillac ATS for daily use?▾

Practicality score is 3.6/10. The score is mainly limited by high fuel consumption, small boot, and limited door access. EPA combined economy is 23 MPG. Seating capacity is 5. 2 passenger doors are listed. Boot capacity is 295 litres.

What is the overall score for the 2018 Cadillac ATS?▾

The CarFocal Overall Score for the 2018 Cadillac ATS is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 55%. Maintenance 7.8/10. Practicality 3.6/10.

What does it cost to own and maintain a 2018 Cadillac ATS?▾

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake Inspection - Fluid Level Checks (Coolant, Brake, Power Steering) at 7,500 miles. Estimated first-year maintenance: $400 - $600. Repair prediction highlight: Transmission (typical at 70,000 miles, estimated cost Min: $1,500 • Max: $3,500).

What is the MSRP range for the 2018 Cadillac ATS?▾

MSRP range is $35,490 - $50,395.

What engine is in the 2018 Cadillac ATS?▾

Engine specs list Inline-4 / V6 • 4 • 2.0. Output is 272-335 hp • 295-335 lb-ft.

What transmission does the 2018 Cadillac ATS use?▾

According to CarFocal's specs for the 2018 Cadillac ATS, transmission is Automatic. The paired drivetrain is AWD/All-Wheel Drive.

Does the 2018 ATS require Premium gas?▾

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2018 Cadillac ATS?▾

EPA combined estimate is 23 MPG.

What driver assistance and safety features are available on the 2018 Cadillac ATS?▾

9 standard and 3 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

What is the fuel economy range for the 2018 Cadillac ATS?▾

According to CarFocal's specs for the 2018 Cadillac ATS, fuel economy range is 20-25 mpg combined.

How many people fit in a 2018 Cadillac ATS?▾

According to CarFocal's specs for the 2018 Cadillac ATS, seating capacity is 5.

What body style is the 2018 Cadillac ATS?▾

According to CarFocal's specs for the 2018 Cadillac ATS, body style is sedan.

What drivetrain does the 2018 Cadillac ATS use?▾

According to CarFocal's specs for the 2018 Cadillac ATS, drivetrain is AWD/All-Wheel Drive. Transmission is Automatic.

What are the most common power train problems on the 2018 Cadillac ATS?▾

Top complaint category: power train (6 reports, 24% of complaints).

Are there open safety recalls on the 2018 Cadillac ATS?▾

This model year has 3 official safety campaigns listed.

Should buyers consider alternatives to the 2018 Cadillac ATS?▾

Alternatives listed in this guide: 2018 Audi A4 and 2018 Mercedes-Benz C-Class.

Start Here

Maintenance guide

Costs + intervals

Recall report

Campaigns + remedy notes

Owner complaints

Issue volume + categories

In this guide

  1. 01Overview
  2. 02Who This Car Is For
  3. 03Reliability & Problems
  4. 04Vehicle Specs
  5. 05Unlock Full Report
  6. 06FAQ

We may earn a commission if you buy parts through our links. Learn more.