What are the most common problems with the 2021 Cadillac CT5?

The **airbag system** is a primary concern, with recalls for incorrect installation and complaints detailing non-deployment. Verify all airbag-related recall work is complete.

How many recalls does the 2021 Cadillac CT5 have?

The 2021 Cadillac CT5 currently has 10 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2021 Cadillac CT5 a good buy used?

Verdict: Proceed with caution. The **airbag system** is a primary concern, with recalls for incorrect installation and complaints detailing non-deployment. Verify all airbag-related recall work is complete. Electrical system faults are prevalent, impacting critical functions like braking, steering, and AWD. Any warning lights or unusual behavior warrant immediate attention. Door handle failures, both interior and exterior, have been reported, affecting vehicle access and egress. Inspect these mechanisms thoroughly. While the 3.0L V6 offers strong performance, monitor for any transmission service messages or shifting anomalies. Despite a 5-star NHTSA safety rating, the documented issues necessitate a comprehensive pre-purchase inspection. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2021 Cadillac CT5?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2021 Cadillac CT5.

2021 Cadillac CT5 Report

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

Updated May 30, 2026Daniel Wilson3 Critical Recalls

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

The airbag system is a primary concern, with recalls for incorrect installation and complaints detailing non-deployment. Verify all airbag-related recall work is complete.
Electrical system faults are prevalent, impacting critical functions like braking, steering, and AWD. Any warning lights or unusual behavior warrant immediate attention.
Door handle failures, both interior and exterior, have been reported, affecting vehicle access and egress. Inspect these mechanisms thoroughly.
While the 3.0L V6 offers strong performance, monitor for any transmission service messages or shifting anomalies.

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Overview

2021 Cadillac CT5

The 2021 Cadillac CT5 offers a premium experience with a potent 3.0L twin-turbo V6 engine option and rear-wheel drive dynamics. However, for the used car shopper, its appeal is tempered by a concerning reliability record. Ten recalls and twenty complaints paint a picture of a vehicle that, despite its luxury aspirations and top safety scores, requires careful consideration. Key issues revolve around the electrical system and airbags, demanding a vigilant approach to ownership. Fuel economy is respectable for its class, rated at 22 MPG combined.

Critical Failure Risk

Complaints detail issues with ABS/ECU communication leading to loss of assisted braking, steering, and AWD. Door handle sensor failures affecting entry and exit are also reported.

Early detection can help you avoid a $800-$3,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls10

Service Bulletins0

Full Recall History →

Owner Complaints

Electrical System3

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Buyers prioritizing luxury styling and performance who are willing to undertake rigorous pre-purchase inspections.

+2 more buyer-fit notes in the full report

Avoid if

Buyers seeking a trouble-free ownership experience with minimal risk of unexpected repairs.

+2 more buyer-fit warnings in the full report

2021 Cadillac CT5 Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Premium
Seating Capacity: 5
Transmission: Automatic
Drivetrain: Rear-Wheel Drive
Body Style: Sedan
EPA Combined MPG: 22

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Most Common Issues

1. Electrical System

Most reported

Usage: 3 reports

2. Airbags

Usage: 2 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 - Cabin Air Filter Replacement

Est. shop cost: $150 - $250

7,500 mi

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

Full pre-purchase inspection checklist

Complete maintenance schedule (4 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

10 recall campaign details & remedy notes

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FAQ

Is the 2021 Cadillac CT5 reliable?

The CarFocal Reliability Score for the 2021 Cadillac CT5 is 7.3/10. Reliability score is 7.3/10. NHTSA recalls: 10. Owner complaints: 20.

How practical is the 2021 Cadillac CT5 for daily use?

Practicality score is 4.1/10. The score is mainly limited by high fuel consumption. EPA combined economy is 22 MPG. Seating capacity is 5.

What is the overall score for the 2021 Cadillac CT5?

The CarFocal Overall Score for the 2021 Cadillac CT5 is 7.0/10. Overall score is 7.0/10 (Good). Confidence 85%. Maintenance 8.1/10. Practicality 4.1/10.

What does it cost to own and maintain a 2021 Cadillac CT5?

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 - Cabin Air Filter Replacement at 7,500 miles. Estimated first-year maintenance: $500 - $900. Repair prediction highlight: Electrical System (Sensors/Modules) (typical at 45,000 miles, estimated cost Min: $300 • Max: $1,500).

What engine is in the 2021 Cadillac CT5?

Engine specs list 6 • 3.0.

What transmission does the 2021 Cadillac CT5 use?

According to CarFocal's specs for the 2021 Cadillac CT5, transmission is Automatic. The paired drivetrain is Rear-Wheel Drive.

Does the 2021 CT5 require Premium gas?

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2021 Cadillac CT5?

EPA combined estimate is 22 MPG.

What driver assistance and safety features are available on the 2021 Cadillac CT5?

9 standard and 3 optional driver assistance features. Key features include Anti-lock Braking System, Tire Pressure Monitoring System, Forward Collision Warning.

How many people fit in a 2021 Cadillac CT5?

According to CarFocal's specs for the 2021 Cadillac CT5, seating capacity is 5.

What body style is the 2021 Cadillac CT5?

According to CarFocal's specs for the 2021 Cadillac CT5, body style is sedan.

What drivetrain does the 2021 Cadillac CT5 use?

According to CarFocal's specs for the 2021 Cadillac CT5, drivetrain is Rear-Wheel Drive. Transmission is Automatic.

What are the NHTSA safety ratings for the 2021 Cadillac CT5?

NHTSA ratings: Overall 5/5 • Frontal 5/5 • Side 5/5 • Rollover 5/5.

What are the most common electrical system problems on the 2021 Cadillac CT5?

Top complaint category: electrical system (3 reports, 15% of complaints).

Are there open safety recalls on the 2021 Cadillac CT5?

This model year has 10 official safety campaigns listed.

Should buyers consider alternatives to the 2021 Cadillac CT5?

Alternatives listed in this guide: 2021 Audi A4 and 2021 Mercedes-Benz C-Class.