Mechanics commonly advise against purchasing the Mazda RX8 due to its notorious mechanical issues. While the rotary engine design is partly to blame, the specific engine configuration exacerbates reliability concerns. Unlike its predecessor, the RX7, which can endure upwards of 200,000 miles with proper maintenance, the RX8 suffers from an inadequate oil delivery system.
The redesign aimed to reduce emissions, typical for rotary engines that burn oil during operation. However, this modification proved ineffective and led to lubrication problems within the combustion chamber. As a result, the RX8 frequently experiences engine failures and other mechanical malfunctions, making it a risky investment for prospective buyers.
Mechanics commonly discourage purchasing GMC vehicles, particularly the Sierra model, citing persistent transmission and electrical problems. These issues have plagued GMC vehicles for years, leading to frequent breakdowns, which is particularly inconvenient during nighttime driving on highways. Furthermore, General Motors' quality control has been questionable, especially with models featuring the 3300, 3400, and 3900 V6 engines, which are deemed unreliable and poorly constructed. Despite improvements in recent years, skepticism towards American-made cars remains prevalent among consumers.
For instance, the 2015 GMC Sierra received low marks for safety due to the following:
- Low reliability
- Inadequate headlight patterns
- Erratics A/C performance
- Engine power loss
Renaults, and specifically, the Renault Megane are among the most vulnerable to electrical issues, making them exceedingly unreliable. Issues such as malfunctioning bulbs and faulty sensors to more serious issues with power windows, central locking, or even the infotainment system can be difficult (and costly) to fix.
It's important to note that not all Renault owners experience these issues, and individual experiences can vary depending on the model year, mileage, and maintenance history.
Mechanics strongly advise against purchasing older BMWs, particularly the BMW 7 series e65, due to their propensity for costly repairs and reliability issues. While these luxury vehicles may have been prestigious when new, their high maintenance costs make them a risky investment, especially as they age. Many BMW models, including the 7 series, tend to experience significant mechanical failures around the 100,000-mile mark, leading to exorbitant repair bills.
Even seemingly attractive deals, such as a 1999 BMW 7 series priced at $5,000, should raise red flags about the vehicle's condition and potential maintenance expenses. Despite their initial lofty price tags, older BMWs depreciate rapidly, reflecting the significant upkeep required to keep them on the road. Consequently, potential buyers should exercise caution and consider the long-term costs associated with owning an aging BMW.
Mechanics strongly advise against purchasing French Peugeot cars from the 2003-2018 era, particularly the 207cc model, due to prevalent reliability issues, including:
- Poor electrical systems
- Frequent engine failures
- Costly repairs
Many owners have reported catastrophic engine malfunctions around the 60,000-mile mark. Such incidents incur substantial repair costs and undermine confidence in the brand's petrol-powered vehicles. The 207cc's reputation for mechanical failures, particularly in crucial components like the engine, has left many former owners wary of investing in another brand. Consequently, mechanics caution prospective buyers against most (if not all) Peugeot cars.
The Kia Optima, particularly models from 2011 to 2014, has garnered a reputation among mechanics as a car to steer clear of. One major issue that plagues these vehicles is the rod bearing, a crucial component of the engine. Kia's decision to cut corners in this area has led to frequent engine failures, leaving drivers stranded and facing hefty repair bills. For many unfortunate owners, the first sign of trouble comes unexpectedly, like being unable to move at a green light.
Such incidents often result in costly repairs, sometimes exceeding the value of the car itself. This was the case for one owner who faced a $6000 repair estimate after engine failure, only to discover that the problem was a known issue covered under a recall. While Kia's response was slow, their intervention ultimately saved significant expense and hassle. However, the lingering distrust and inconvenience caused by these recurring engine problems linger, cautioning potential buyers to approach the Kia Optima with caution.
The Land Rover Discovery is often flagged by mechanics as a vehicle to avoid due to its notorious reliability issues, including:
- Failing air suspension
- Persistent electrical problems
- Build quality issues
- Rusting parts
- Head gasket failures
The air suspension system, notorious for its failures, often prompts frustrated owners to opt for costly conversions to traditional springs. Rust is another common problem, eating away at crucial components and leading to expensive repairs. Even Discovery's supposedly reliable TD5 engine is prone to costly head gasket failures due to subpar materials. With a laundry list of potential problems, Land Rover Discovery is a vehicle mechanics often caution against investing in.
The Pontiac Aztec has earned a notorious reputation among mechanics due to its myriad of mechanical issues. Aztecs seem to have a knack for finding their way into the shop. One common complaint is the weak windshield, which is prone to cracking or shattering with little provocation.
The Aztec's peculiar design, often likened to a hybrid of a Hummer H2 and a Toyota Prius, draws unwanted attention, and the yellow model is infamously nicknamed the "bananamobile." However, beneath the quirky exterior lies a host of engineering flaws and subpar components contributing to its poor reputation. For mechanics accustomed to dealing with the constant stream of Aztecs needing repair, the advice remains consistent: ru!
The 2015 Ford Focus has garnered a notorious reputation among mechanics as a vehicle to avoid at all costs. One major issue plaguing these cars is the faulty clutch system, which can cause sudden loss of acceleration and essentially render the car inoperable. The following critical flaws, contribute to the Focus' lemony reputation:
- Faulty clutch system
- Sudden loss of acceleration
- Overheating A/C units
- Electrical malfunctions
- Failing transmissions
Despite years of complaints from owners, Ford has been slow to acknowledge and address these issues, continuing to resell cars with known defects. Attempts to rectify the clutch problem often prove futile, as the issue is inherent and recurring. Stories abound of frustrated owners experiencing constant stalling and missed shifts, leading to a consensus among drivers to steer clear of the 2015 Ford Focus. With transmission problems and other issues plaguing previous models as well, many vow never to purchase a Ford again based on their negative experiences.
The Jeep Wrangler, while iconic and rugged, is plagued by frequent and often costly repairs. The popular acronym "JEEP" — jokingly standing for "Just Emptied Every Pocket" — is a testament to the financial burden of owning one. While Wranglers are renowned for their off-road capabilities, they are also notorious for minor yet persistent issues that can quickly add up.
From electrical gremlins to mechanical quirks, owners often find themselves facing a laundry list of repairs and maintenance tasks. While the Wrangler may keep running, the constant need for attention and repair can become exhausting for owners, leading many to seek alternatives. Despite its rugged charm, the Jeep Wrangler's reputation for being a constant drain on finances and time makes it a car that mechanics often caution against investing in.
The Chrysler Cirrus is a car mechanics detest because they're notoriously difficult to work on. Chrysler vehicles, in general, are known for their reliability issues and complex engineering that makes routine maintenance and repairs a headache for technicians.
For example, even seemingly straightforward tasks like replacing an alternator can turn into a frustrating ordeal due to poor design and inaccessible components. The Cirrus is just one example of Chrysler's problematic lineup, with other models like the Neon also earning a reputation for being prone to issues. Despite no longer being in production, remaining Neons continue to pose reliability concerns, further cementing Chrysler's reputation for producing cars that are best avoided by discerning buyers and mechanics alike.
If you are looking for a Porsche for the lowest possible price, the first-generation Porsche Cayenne would be the one to get, provided you don’t mind all the mechanical problems that come with it.
The cost of maintaining these cars can be astronomical. This car is prone to leaks, drivetrain problems, transmission issues and many more problems that will set you back a ton of money when it comes time to fix them.
The PT Cruiser was one of the more unique vehicles produced in the early 2000s, making it an appealing option for many. However, owners of this vehicle have suffered from numerous mechanical problems over the years.
The engine cooling system, in particular, suffered from radiator leaks, thermostat failures, and overheating. Many owners have also dealt with transmission problems such as slipping gears and even complete transmission failure.
The 10th generation Cadillac Eldorado was produced from 1992 to 2002. The Northstar V8 engine was available in various displacements throughout its production run, ranging from 4.6 liters to 4.9 liters. The engine was designed to deliver smooth power delivery, responsive acceleration, and impressive fuel
However, one of the Northstar engine’s biggest issue was with oil leaks. So, while you might be saving on fuel, you’ll be paying more than you bargained for when it comes to oil changes or topping off.
The X5 has an average reliability rating of around two out of five stars, and annual repairs can cost an average of $1,200, so you'll be paying a lot more in addition to your regular car payments year after year.
Some X5s, especially those with the 2.0L turbocharged engine, have been reported to consume excessive oil. Even earlier models have suffered from problems affecting the water pump.
The Volkswagen Passat is one of Volkswagen's most popular sedans and is priced attractively. Nevertheless, fixing it could cost you a pretty penny because of the labor involved.
The vehicles were designed to be easy to assemble, but fixing them poses a challenge because it involves disassembling the engine to access the parts most likely to fail.
While the Hyundai Sonata may be a popular and reliable sedan, it’s not without its problems. For one, it doesn’t tend to hold its value well, depreciating quickly even in just the first year.
It’s also said to total easier than other vehicles, even in more minor collisions. Fortunately, due to safety features and its structural design, passengers behind the wheel are general safe in minor collisions.
While it garnered praise for its handling and driving experience, the Fiat 124 Spider, produced from 1966 to 1985, also had its share of common mechanical issues reported by owners over the years.
Wiring harness problems, electrical shorts, and faulty connections were common complaints among Fiat 124 Spider owners. On top of that, the low-grade steel used during the time period made the chassis vulnerable to rusting.
Mini Coopers are known to have electrical issues, including problems with the power windows, central locking system, and dashboard warning lights. Faulty wiring, sensors, or electronic control modules are often to blame.
Many Mini Cooper models have suffered from engine cooling problems, transmission fluid leaks, and power steering pump failure. As with BMWs, fixing these mechanical problems can be costly.
First introduced in 2006, the Mercedes-Benz GL requires a ton of maintenance in the long run, which means you’ll be putting a lot of money into car repairs.
The brake pads and rotors, in particular, often need replacing every 10K miles due to the softer materials used. It’s also known to suffer from oil leaks.
Produced from 1990 to 2016, Chrysler managed to sell over 12 million units of the Town & Country, despite all of its problems. But that mostly had to do with its affordable price point.
However, sometimes, you get what you pay for. Owners of the Chrysler Town & Country have experienced transmission problems, such as rough shifting, hesitation, slipping gears, and transmission fluid leaks. Additionally, it had its share of electrical problems.
In production since 2009, you can still get a Q5 today, but be aware, you may be facing some mechanical issues. One of the most common complaints with older models is the steering locking up.
The steering tends to go out every 8,000 miles, which is especially a problem in older, used models. The cost to fix the problem will set you back over $3K!
The 2011 Audi A4 model suffers from costly repairs. This is especially said to be a problem once the car goes over 100,000 miles.
Many 2011 A4 owners, particularly those with the 2.0L TFSI turbocharged engine, have reported excessive oil consumption. This can be caused by piston ring or valve guide wear, leading to a burning oil smell, low oil level warnings, and potential engine damage if left unchecked.
A recurring problem across various Chevy Colorado model years, particularly 2004-2012 and 2016-2020, is a malfunctioning blower motor for the air conditioning and heating system.
Older model years, specifically 2004-2009, might encounter issues related to worn valve seats. This can lead to engine misfiring and potential engine damage.
Owning a Porsche Macan comes at a premium, not just in price but also in potential repair costs. It leads the pack in annual repair costs at an average of about $1,300. While you might expect a luxurious driving experience, you could be visiting the shop more than once per year.
Overall, owning a Porsche Macan is a pretty big risk as they end up needing repairs almost twice as much as your typical compact SUV. Common problems include engine issues and cooling system repairs.
While the Dodge Dart promised affordability, it couldn't deliver on reliability. A significant concern for many Dart owners is excessive oil consumption, particularly in the 2015 model year. This can be caused by worn piston rings or valve seals, forcing drivers to top up oil levels frequently to avoid engine damage.
Another disconcerting problem reported by Dart owners is engine stalling. This can occur while driving at various speeds, creating a safety hazard and leaving you stranded.
Rivian is simply too new to make a firm call, which is exactly why you should run. Unlike established automakers with decades of experience ironing out kinks, Rivian is just a baby.
In addition, electric cars are still finding their footing, and in doing so, it's likely that some brands won't make it among the competition. Many believe that Rivian won't make it in the next 10 years as a company.
Many have called the launch of the Cybertruck a complete failure. Thousands of Cybertrucks have already been recalled due to an issue with the accelerator pedal.
On top of that huge safety concern, many drivers are reporting issues with rusting, electronic failure in freezing conditions, issues with the truck bed not opening - and even getting locked inside!
