Cadillac CT6 Reliability Problems and Common Issues Exposed

Patrick Oziegbe
Updated On:

If you’re considering a luxury sedan, the Cadillac CT6 is definitely worth a look.

Known for being plush, roomy, and high-tech, you’ll quickly discover the CT6 offers an impressive driving experience. As you explore this car, you may be curious about its reliability.

The CT6 has gained praise for its performance and overall quality. In various reviews, owners have reported satisfaction with their vehicles, even after covering significant mileage.

With the information available, you can feel confident knowing this luxurious Cadillac model offers a balance of style and dependability.

Is Cadillac CT6 reliable?

CT6 Model Overview

The Cadillac CT6 is a luxury sedan built on the Alpha platform, designed to provide you with an engaging and comfortable driving experience.

Let’s dive into the available models and trims for the CT6.

Cadillac CT6 Models and Trims

There are two main engines available for the CT6: the 3.6 and the powerful Blackwing. You can choose from various trim levels to tailor the sedan according to your preferences.

  • Luxury: This base trim offers standard features like leather upholstery, a 10.2-inch touchscreen, and advanced safety technologies.
  • Premium Luxury: Upgrading to this level adds features such as a panoramic sunroof, a 34-speaker audio system, and enhanced safety options.
  • Platinum: The top-of-the-line CT6 Platinum trim boasts the Blackwing engine, adaptive suspension, and a host of other luxury amenities.

Remember, the 2020 Cadillac CT6 delivers a spacious interior, ample rear passenger space, and cutting-edge technology features. Enjoy your ride in this elegant sedan!

TIPS: Let’s show some acts about Cadillac SUVs: The Cadillac XT4 problems vs best models discussed.

CT6 Reliability Problems and Common Issues

The Cadillac CT6 is often criticized for its quality and reliability problems.

That said, it’s essential to identify the common issues faced by CT6 owners, so you know what to look out for when purchasing or maintaining your Cadillac.

Transmission issues

One problem found in the CT6, particularly in the 2016-2018 models, has to do with transmission issues.

According to Cadillac Owners Forum, these can lead to a less than satisfactory driving experience.

Turbo lag

Another concern with the CT6 is turbo lag. In the 2017 CT6, there has been a complaint regarding this issue, which basically means a delay in acceleration when you hit the gas pedal.

This can lead to a less-than-responsive and frustrating driving experience, especially considering the luxury segment it belongs to.

Handling and drivetrain

Handling and drivetrain issues have also been reported, affecting the overall performance and smoothness of the CT6. As per Cadillac Problems, there are two complaints, making it another area you should be aware of.

Infotainment system

Lastly, it’s essential to keep in mind the infotainment system, where some CT6 owners have complained about the radio touchscreen going blank in the 2017 model.

A reliable and functional infotainment system is crucial in luxury cars, so it’s worth noting this particular issue.

Although the Cadillac CT6 has faced some quality and reliability problems, it’s crucial to evaluate each model year individually.

By staying informed about these issues, you can better maintain your CT6 and ensure a more satisfying driving experience despite a few hiccups along the way.

Performance and Handling

Engine and Transmission

Your Cadillac CT6 comes with a choice of two powerful engines. The base engine is a 3.0-liter V6 that delivers impressive performance.

If you’re looking for even more power, you can opt for the available 4.2-liter V8. Both engines are mated to a smooth 10-speed automatic transmission.

Steering and Brakes

The CT6’s responsive steering and agile handling are enhanced by the rear-wheel steering system. This feature helps you navigate tight corners with ease.

For optimal stopping power, the CT6 is equipped with high-performance brakes, providing you a confident driving experience. Don’t forget to enjoy the user-friendly infotainment system while cruising in your Cadillac CT6.

Interior Comfort and Quality

Seating and Interior Space

The Cadillac CT6 boasts a roomy and comfortable cabin, ensuring you can enjoy the ride in style.

With ample space for passengers in both front and rear seats, you and your guests will have plenty of legroom and headroom.

Materials and Design

The interior design of the CT6 is truly top-notch, utilizing high-quality materials throughout the cabin.

You’ll be surrounded by luxurious leather, soft touch plastics, and stylish accents that enhance your overall driving experience. Feel the difference in every detail with the Cadillac CT6’s outstanding interior comfort and quality.

Infotainment and Connectivity

Cadillac CUE System

The Cadillac CT6 features the user-friendly Cadillac CUE System. This advanced system offers cutting-edge technology, ensuring your driving experience is both enjoyable and intuitive.

Compatibility with Android Auto and Apple CarPlay

Stay connected with your compatible smartphone using Android Auto and Apple CarPlay. These features allow you to access your favorite apps, navigation, and entertainment right from your CT6’s dashboard.

Voice Controls

You can stay focused on the road using the CT6’s voice controls. Just speak your command to control navigation, audio, and even your phone, keeping your eyes on the road and your hands on the wheel.

Safety Features and Ratings

Standard Safety Features

Your Cadillac CT6 comes with a wide range of standard safety features that keep you protected. You’ll have access to Automatic Emergency Braking, Lane Departure Warning, and Adaptive Cruise Control.

Additionally, the Teen Driver System and ABS help ensure every drive is a safe one.

Optional Safety Features

For an enhanced driving experience, you can opt for Super Cruise, Cadillac’s cutting-edge self-driving feature.

Other available upgrades include Cross-Traffic Alert, Blind Spot Monitor, and Lane Keeping Assist. Don’t forget the useful Head-Up Display which projects vital information on your windshield.

Crash Test Results

While neither NHTSA nor IIHS has officially rated the CT6, its extensive safety list ensures you and your passengers are well-guarded in case of an accident.

Ownership and Reliability

Consumer Reviews and Ratings

Cadillac’s CT6, a flagship luxury car with impressive features, offers all-wheel drive and stellar road test scores.

As an owner, you may find the CT6 highly reliable. According to Consumer Reports, the CT6 has a plush, roomy cabin and agile handling.

When researching potential problems, one CT6 owner shared minor transmission lurches during initial drives, which resolved once the car warmed up. The CT6’s J.D. Power Quality and Reliability ratings are a testament to its dependability.

As a CT6 owner, take note of the car’s warranty coverage to ensure peace of mind. So, enjoy your luxurious and reliable CT6 – you’ve made a fine choice!

Pricing, Value, and Lease

Cadillac CT6 Pricing

The 2020 Cadillac CT6 has an average price ranging from $58,204 to $94,748 depending on the model and features you choose. This luxury sedan offers a competitive price, considering its rivals in the luxury car segment.

Value for Money

When you invest in a 2020 CT6, you’ll get a plush, roomy, quick, agile, and high-tech luxury car.

With its stellar features and performance, the CT6 certainly ranks among the best sedans in the market.

Key Facts Details
Average Price Range $58,204 – $94,748
Basic Warranty 4 years / 50,000 miles
Powertrain Warranty 6 years / 70,000 miles


Comparisons with Other Luxury Sedans

When considering the Cadillac CT6’s reliability, it’s essential to compare it to other luxury sedans in its class.

In this section, we’ll examine the BMW 7 Series, Audi A8, and Mercedes-Benz S-Class.

BMW 7 Series

Compared to the CT6, the best BMW 7 Series generations offers a more refined driving experience. As you drive the 7 Series, you’ll appreciate its standard adaptive air suspension, which provides a smooth and comfortable ride.

With the additional V8 engine option, you have the choice of more power and sportier performance. However, the 7 Series may have a higher maintenance cost compared to the CT6.

Audi A8

The Audi A8 boasts advanced technology features, creating a luxurious and high-tech cabin experience.

This luxury sedan offers standard all-wheel drive, providing you with better traction and confidence in various road conditions.

However, some drivers may find the worst A8’s ride to be slightly stiffer than the CT6, especially when equipped with the optional air suspension.

Mercedes-Benz S-Class

As you explore the Mercedes-Benz S-Class, you’ll find it’s synonymous with luxury and comfort. With a powerful V8 engine and a refined ride, the S-Class is often considered the benchmark for luxury sedans.

While comparing it to the CT6, you might notice the S-Class costs more upfront and has higher maintenance fees and these few Mercedes S Class issues should be studied before buying

However, the additional investment could be worth it for those who prioritize luxury and comfort.

In conclusion, the Cadillac CT6 has strong competition when compared to the BMW 7 Series, Audi A8, and Mercedes-Benz S-Class. Each luxury sedan has its strengths and weaknesses, but what ultimately matters is your personal preferences and priorities.

CT6 Special Editions


The CT6 Platinum offers you a top-of-the-line experience, with upgraded features such as a rear seating package and a premium sound system for your listening pleasure. It even competes with the well-known Escalade.

Premium Luxury

For a balance between luxury and affordability, the CT6 Premium Luxury is your choice. It includes advanced safety features and a powerful V6 engine, ensuring a smooth and comfortable drive.


Embrace high performance with the CT6-V edition, featuring a Twin-Turbo V-8 engine for thrilling acceleration. The CT6-V also boasts a wide trunk, perfect for your storage needs, making it both practical and exciting to drive.

Recalls, Roadside Assistance, and Fuel Economy

Recalls and Known Issues

There have been no safety recalls issued for the 2020 Cadillac CT6. However, the 2019 model reported two consumer complaints regarding visibility and service brakes. One issue was related to side mirrors not opening properly during the drive.

Roadside Assistance

Your new Cadillac CT6 comes with a complimentary 6-year/70,000-mile roadside assistance program. You can feel confident driving, knowing that you have 24/7 access to support, towing, and service.

CT6 Fuel Economy

When it comes to fuel efficiency, you’ll be pleased with the CT6’s performance. The CT6’s fuel economy varies depending on the engine, but it generally provides a combined city/highway rating of 21-24 MPG. This makes for an efficient and enjoyable ride in your luxurious Cadillac.

Frequently Asked Questions

How does the CT6 compare to other luxury sedans in terms of reliability?

The Cadillac CT6 is generally noted for its impressive performance and high-tech features. While it might not be the most reliable luxury sedan, it holds its own against competitors.

You’ll experience a smooth, engaging driving experience in a plush and roomy interior, making it a solid choice.

Is the CT6 Plug-in Hybrid as reliable as the non-hybrid version?

Information about the reliability of the CT6 Plug-in Hybrid is currently limited compared to its non-hybrid counterpart. However, rest assured that both vehicles carry Cadillac’s four-year/50,000-mile basic warranty, giving you peace of mind.

How does the reliability of the CT6 change on higher trim levels?

Reliability across different trim levels of the CT6 remains consistent. The important factor to consider when choosing a higher trim is the additional features and luxurious amenities that make your driving experience more enjoyable


Car Brand Logo Design

23 Car Brands with Ownership Benefits Worth Dying For

Owning a car is vital in today’s world. A suitable vehicle can significantly enhance your daily routine. With a constantly changing market and numerous brands available, knowing which ones provide superior ownership benefits is crucial.
Nissan Titan

Buyer Beware: 33 Most Unreliable Japanese Cars to AVOID at All Costs

Japanese cars are known for reliability and lasting performance, attracting drivers worldwide. However, not every used Japanese car meets these high standards. Some have been marred by mechanical issues, recalls, and age. This article is
BMW 6 Series Convertible

28 Cars Average-Income Earners Must Avoid

Driving off the lot in a new car feels great, but for average earners, it’s a major financial choice that can make or break your budget. Some cars seem like a deal but end up


Sign up now to get the email newsletter and exclusive deals weekly.