Who is Really Breaking Your Car?

The Mystery of the Constant Repair Bill

Several years ago, I began noticing a pattern in a car enthusiast group. People were constantly complaining about breakdowns—repairs one after another, sometimes multiple times a year. The bills ranged from hundreds to thousands of dollars, and in some cases climbed close to $10,000.

What made this truly puzzling was that many of these owners were driving cars widely considered to be reliable. That raised a simple but uncomfortable question: What is actually going on?

The Truth About Reliability

To understand my perspective, you have to look at what I have owned. When we bought our 2013 Chevy Equinox and 2011 Mini Cooper, both were relatively new models. At the time, nobody knew these specific models would later earn reputations as unreliable money pits.

Today, both are commonly cited as examples of cars to avoid. Yet my experience could not be more different.

The 2013 Chevy Equinox (2.4L Ecotec)
This engine became famous for all the wrong reasons. The PCV system contains a well-known design defect—so severe that GM issued a technical service bulletin instructing dealerships how to clean it. Left unchecked, these engines are known for excessive oil consumption, blown rear main seals, and timing chain failures that can completely destroy the engine. A rear main seal repair alone can cost around $2,000.

My Result: I inspected and serviced the PCV system myself. It took about two hours and required zero dollars in parts. Combined with using the correct oil, I owned this car for nine years with exactly zero dollars in repairs. I sold it last year—not because it failed, but because I was simply bored. It still ran like new.

If you have a car with a GM Ecotec engine, there is a hack you should know. Get a special oil cap FC219. It is a genuine GM part designed for other models but fits perfectly to help prevent pressure issues that blow seals. Check out my video for details. This is the best and smartest $15 you can spend to avoid losing your engine entirely.

The 2011 Mini Cooper
This model year is widely considered one to avoid. Mini Coopers from this era are notorious for mechanical issues. We eventually sold it because we needed a much bigger vehicle and purchased an Audi Q7.

My Result: Within warranty period, the battery died (a crazy dealership story) and the thermostat broke (an even crazier dealership story). Other than those, over nine years of ownership, I spent exactly $8 on repairs—for a crankshaft position sensor that I replaced myself. That was it.

The Audi Q7
The Audi Q7 is another vehicle many people avoid due to complexity and perceived maintenance costs. We have owned ours for six years, and it has been excellent.

The only issue was a broken wire that triggered a check engine light (code P2026). Reconnecting the wire solved the problem. If you encounter codes P2024, P2025, or P2026 on VW, Audi, Porsche, or Lamborghini vehicles, check out my video here.

Total repair cost over six years: under $2 for solder.

The Volvo XC90 V8
Because I became bored with the super reliable Chevy Equinox, I challenged myself and replaced the Equinox with a 2006 Volvo XC90 powered by the 4.4L V8, with 251k miles in April 2024. It currently sits at 262.5k miles in January 2026. Most people are terrified of a high-mileage European V8, yet this vehicle remains my daily driver.

Because of its age, it requires normal maintenance and occasional minor repairs. I fixed a heat-related issue for about $40 total. The AWD coupling oil pump was replaced with an aftermarket unit from Amazon ($70).

I also replaced all eight ignition coil packs—something that should be considered routine maintenance at this mileage. A Volvo-branded set costs over $1,000, but I purchased a full aftermarket set for $100. Despite criticism from purists, these coils have been performing flawlessly for over 20 months.

The 360-Mile Nightmare: A Lesson in Dealership Reliability

Many people assume dealerships are the safest option for service. My Mini Cooper experience proved otherwise.

About 1.5 years into ownership, the Mini began overheating—but only on local roads. Anyone familiar with engines knows this points directly to a stuck thermostat.

I drove 60 miles one way to the nearest dealership and explained the symptoms, including my diagnosis. After two hours of diagnostics, they claimed nothing was wrong. Because no fault code appeared, they refused to perform the warranty repair.

The next day, it overheated again. I drove another 60 miles back. This time, a more experienced technician agreed with my diagnosis—yet they had no thermostat in stock. I was given a loaner, drove 60 miles home, and returned a third time.

In total, I drove 360 miles for a problem I diagnosed correctly on day one—without any scan tools, just experience and logic.

If you need more dealership stories, make sure you check out our Dealer Mishaps category. For example, an Audi dealership  charged $180 for a factory part they claimed was fake and banned me. 

The Failure of Professional Maintenance

The thermostat was not the only issue. Because the Mini included four years of free maintenance, the dealership performed three oil changes.

Every single one was wrong.

Each time, the oil level was either too high or too low. If a dealership cannot get a basic oil level correct, trusting them with engine longevity becomes questionable at best.

The Secret Is in the Oil

So why did my cars last while others failed?

The answer is oil—specifically, correctly certified oil. Modern engines are highly refined and extremely sensitive to oil chemistry. This is no longer your grandfather's era. An API donut alone is not enough. I know you may become dizzy looking at the table below, but those are exactly what the cars require for their longevity. There is no other way around. You may ask how shops keep track of so many different types of oils for so many makes and models. Well, they do not and it is an unreasonable expectation.

Shops typically use bulk oil, pumped from 55-gallon drums. No manufacturer certification. No long-term protection. Just accelerated wear that leads to five-figure engine failures.

Required Engine Oil Certifications

So—Who Breaks Your Car?

The answer is simple: whoever maintains it.

When I do the work myself, it is my car, my money, and my family's safety on the line. I use the correct parts, the exact oil certifications, and I verify everything.

If you cannot do your own maintenance, you must be your own advocate. Ask what oil will be used. Verify the certification. Check the level yourself. If a shop cannot answer these questions—or will not—walk away.

Don't let professional maintenance quietly destroy your engine.