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The 10 worst cars to buy and how to avoid them.
Buying a car is no small decision. It's a major investment, a tool we use every day, and, for many people, an extension of their routine and lifestyle.
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But not all that glitters is gold. There are models that, despite having a good design, an attractive price, or impressive advertising campaigns, hide mechanical flaws, poor reliability, or maintenance issues that end up being a nightmare.
Therefore, having reliable information is key to avoiding unpleasant surprises.
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And that's where the work of Consumer Reports, an independent organization that analyzes hundreds of models each year and publishes rankings that every buyer should review.
In this article, we are going to review The 10 worst cars to buy according to Consumer Reports.
I'm also going to tell you how Car Scanner, a vehicle diagnostic app, can help you detect problems before you buy or even prevent failures in the car you already have.
How Consumer Reports Determines the Worst Cars
Consumer Reports evaluates vehicles based on road tests, mechanical reliability, owner satisfaction, safety, fuel economy, and maintenance costs.
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The interesting thing about their methodology is that it combines technical analysis with real-life surveys of thousands of drivers.
This allows us to identify not only the most common mechanical problems, but also defects that often go unnoticed at first.
The models listed here often have multiple reports of failures, poor long-term reliability scores, and negative user reviews.
The 10 worst cars to buy according to Consumer Reports
Below, I present the models that received the worst ratings in recent years. Some are surprising. Others confirm what many already suspected.
1. Chevrolet Suburban
Despite its size and popularity, the Suburban has been criticized for excessive fuel consumption, suspension problems, and an unreliable transmission in recent models.
2. Jeep Wrangler
An off-road classic that doesn't adapt well to urban use. Steering issues, noisy handling, and electronic failures keep it on this list year after year.
3. Mitsubishi Mirage
This model stands out for its low price, but also for its poor road performance, low-quality interiors, and below-average mechanical reliability.
4. Volkswagen Atlas
Although it has a modern design and good interior capacity, it suffers from recurring electronic failures and a transmission that generates many complaints on specialized forums.
5. Chrysler Pacifica (pre-2021 models)
The hybrid version was particularly problematic, with constant electrical errors, faulty automatic doors, and an unintuitive infotainment system.
6. Ford EcoSport
This compact SUV was criticized for its lack of power, imprecise steering, and flawed braking system.
7. Tesla Model Y
Despite the innovation that Tesla represents, the Model Y has suffered from assembly issues, poor fitment, and questionable interior quality for its price.
8. Nissan Kicks
Although it is affordable, it has received low ratings for lack of safety, a weak engine, and poor interior material durability.
9. Kia Forte (2017-2019)
Models from these years have had issues with the CVT gearbox, rapid brake wear, and higher than normal oil consumption.
10. Land Rover Discovery Sport
It's a luxury SUV, but it has a troubling history of electrical failures, oil leaks, and costly repairs.
What we can learn from this list
Beyond the model or brand, what's clear is that choosing the wrong car can cause a lot of headaches.
Therefore, beyond consulting rankings like this, it's essential to have a tool that allows you to perform a real-time diagnosis before purchasing.
That's where technology plays in the driver's favor.
Car Scanner: The best app for diagnosing your car
Nowadays, you don't need to be a mechanic or have sophisticated tools to know the true condition of a vehicle.
All you need is an OBD2 adapter and an app like Car Scanner, which turns your phone into a powerful and easy-to-use diagnostic tool.
Car Scanner It is an application that connects to the vehicle's system through the OBD2 port (present in all cars manufactured since 1996) and allows you to view engine performance in real time, read error codes, analyze sensors, clear faults, and much more.
The most interesting thing is that it is designed for the common user.
No technical knowledge is required. The app translates the codes into simple messages and displays alerts if something isn't right.
You can also check if the car has had any recent breakdowns or if everything is working properly.
Why it's a revolutionary app
Car Scanner democratizes access to vehicle information. Previously, to perform this type of analysis, you had to go to the garage, pay for a service, or wait for the "check engine" light to come on.
Now, with this app, you can anticipate problems, know what's happening before something goes wrong, and make informed decisions.
It's also ideal if you're buying a used car. You can bring the adapter, plug it in during your test drive, and scan the vehicle in seconds.
If there are active or historical errors, you'll see them right there, without relying solely on the seller's word.
The app is lightweight, available in Spanish, and works with both Android and iOS.
And while it has a very complete free version, the Pro version offers advanced features such as dashboard customization, report exports, and deeper system scanning.
How to start using Car Scanner
- Buy a compatible OBD2 adapter (there are inexpensive and reliable ones).
- Download the app from Google Play or the App Store.
- Connect the adapter to the car's OBD port.
- Sync with your cell phone via Bluetooth or Wi-Fi.
- Scan the system and start checking the vehicle's status.
It's fast, secure, and can help you save a lot of money and time in the long run.

Frequently Asked Questions About Problematic Cars and Car Scanner Diagnostics
Does Consumer Reports publish these rankings every year?
Yes. They update their list every year based on new tests, surveys, and real-user data.
Do all cars have OBD2 ports?
Yes, all vehicles manufactured since 1996 have this port, which is usually located under the steering wheel.
Does Car Scanner replace the mechanic?
No, but it's an excellent prevention tool. It allows you to detect faults before they become a serious problem.
Do I need to be connected to the internet to use Car Scanner?
No. The app works offline once installed, although it may require online access to update databases.
Can it be used in more than one car?
Yes. You can use the app and adapter in any compatible vehicle. You just need to sync it again with each one.
I hope you're having a wonderful day. I invite you to visit the blog and read other articles that I'm sure you'll find interesting.