Buying a per-owned vehicle is a great way to get into your personal transportation within a reasonable budget. Still, the used vehicle buying market is an area that requires research into past reliability, expensive mechanical issues, and ownership costs down the road. A used car may seem like a steal based on the price, style, or badge, but mechanical concerns can turn a reasonably priced model into a costly ownership experience. Please read on to learn about model-year issues.

Although most used cars should be able to get years of trouble-free service, some vehicles have longstanding reputations for reappearing mechanical problems and high maintenance costs. Technical issues with engines, transmissions, electrical systems, cooling parts, and suspension elements can lead to multiple trips to the mechanic and surprise invoices on the driveway. When buying a used car, checking reference information for model years and common component failures is key, and to that end, the 10 used cars listed below should be avoided.

1. MINI Cooper

MINI Cooper Reliability 2007-2011 The 2007-2011 MINI Cooper model years have been known to have a number of severe reliability issues that can be a financial burden to a used-car owner. The most severe of these is the timing chain which can fail and lead to major engine problems if not replaced. Turbocharged model cars may also suffer from turbochargers failures and high oil consumption causing more expensive repairs. The transmission is another driver of major repairs and this is due to automatic transmissions losing parts and causing massive repair bills.

MINI Cooper Trouble Spots:

• Timing chain failure risk
• Turbocharger problems on variants
• Excessive oil consumption
• Automatic transmission failures
• Water pump and steering issues

Owners have said that water pump failures and power steering issues also present a big risk, contributing to a laundry list of issues that can make ownership of a used vehicle costly. Several of these problems combined to make the MINI Cooper one of the most crucial vehicles to check out before purchase. What looks like a bargain at the sale can turn into a costly burden as several big-ticket repairs stack up, and become harder to justify when those repairs approach or even surpass the vehicle’s actual worth on the market. This can be an even bigger burden for buyers mostly interested in cheap, reliable transportation.

2. Audi Q7

The Audi Q7 from model years 2007 to 2014 falls into the class of luxury SUVs that have a complicated design when it comes to mechanical and electrical systems. That complication may be the first thing secondhand buyers should worry about due to how costly repairs can be. Reported problems include chronic oil leaks, issues with the air suspension, and electrical system problems. When it comes to the engine, problems can occur with V6 and V8 engines, specifically timing chain tensioner problems and subsequent engine damage.

Audi Q7 Trouble Spots:

• Persistent engine oil leaks
• Air suspension failures
• Complex electrical faults
• Timing chain tensioner problems
• Expensive routine servicing

Fixed can often be costly by labor standards, and with costly replacement parts. The Q7 has a lot of equipment, and that’s part of what makes it a luxury SUV, but that also means more parts are likely to have issues. Electrical problems can surface for infotainment, and other control issues, as well. It’s not so much about whether the used Q7 can deliver the kind of luxury experience that it’s supposed to, but whether the purchaser is ready to pay for its maintenance.

3. Ford Focus

2000-2005 Ford Focus Home of the Leaking Transmission Ford Focus Models: 2000 2001 2002 2003 2004 2005 Many Focus owners faced trouble with the service transmission, which resulted in a loss of acceleration when needed. This can leave you in a potential unsafe situation as you coast out of traffic. The Problem: Leaking Transmission oil. Leaking Transmission Oil from the transmission is the most common Ford Focus problem for the 2000 through 2005 models.

Ford Focus Trouble Spots:

• PowerShift transmission problems
• Severe transmission shuddering
• Hesitation during operation
• Electrical system glitches
• Unexpected engine stalling

In addition to transmission trouble, the Focus can also develop electrical failures and engine stalls. While the transmission troubles are the most critical issue because they directly impact the core function of the vehicle’s power delivery, trouble with shifting can make what should be a smooth ride unenjoyable, and drive up significant cost to service. For buyers eyeing the older Focus, the record of the transmission issue is one of the key elements to look for; the vehicle price can quickly look much less appealing if major transmission repairs, electrical failures, or other common problems come along after purchase.

4. Chevrolet Aveo

Model years of the 2004-2011 Chevrolet Aveo are littered with quality issues and consistent mechanical failures. Engines will misfire, electrical systems will fail, and the machinery can suffer from some serious repair headaches that impact the way that it runs. Other issues include fast wear in suspension and brakes, cooling system issues that cause repeated overheating, and a general struggle with quality that makes ownership difficult for many of the owners who buy them.

Chevrolet Aveo Trouble Spots:

• Engine misfire problems
• Poor fuel economy
• Recurring electrical failures
• Cooling system defects
• Rapid suspension and brake wear

Continued heat this way can also put further stress on the engine and lead to a decrease in performance. The Aveo’s cabin materials are known to wear out at a quick pace as well, making a car that is already aging feel even older. Mechanical issues that are compounded by an aging interior make it even harder to justify ownership as the miles really start to add up. For used buyers, that is a concern not only for one part, but the combined engine, electrical, cooling, suspension, and brake issues all leading to a pattern of breakdowns.

5. GMC Acadia

In the 2007-2013 GMC Acadia model years, the vehicle has experienced several reliability issues that can lead to high repair costs. One of these issues is with the Acadia’s transmission, which has been known to shift roughly and wear out too quickly. The vehicle’s V6 engine has a significant flaw with the timing chain that can stretch and need to be repaired quickly to avoid damage to the engine. The Acadia has also been known to have issues with the electronic and comfort features inside the cabin of the vehicle.

GMC Acadia Trouble Spots:

• Rough transmission shifting
• Early transmission failure
• V6 timing chain stretching
• HVAC system malfunctions
• Infotainment and electrical issues

Air conditioning and electronic problems While the mechanical drivetrain problems are the most serious, the build quality of a vehicle’s cabin can be a source of ownership frustrations. HVAC controls, infotainment screens, and other electronic systems may begin to fail repeatedly over time. A used-car buyer should be wary of these issues when purchasing a vehicle that is looking to deliver great SUV utility, as it can quickly turn into a money pit.

6. Jaguar X-Type

Common issues with Jaguar X-Type Aside from being relatively luxurious and stylish, the Jaguar X-Type, especially of the 2002-2008 model years, also comes with an undesirable reputation for reliability and high cost of ownership. The brand and the unique nature of the vehicle make the used car market appear promising, but ownership can turn sour as the issues plaguing the X-Type start rearing their ugly heads. Transmission failure is a common problem among the X-Type while issues with the electrical system impact the many vehicles’ functions. One of the most problematic issues affecting this vehicle is with its all-wheel-drive system that can fail so badly as to make the vehicle inoperable.

Jaguar X-Type Trouble Spots:

• Transmission failure concerns
• Recurring electrical problems
• All-wheel-drive system faults
• Premature component wear
• High repair expenses

They can also lead to expensive repairs, and these problems only tend to get worse as a vehicle gets older. It isn’t just the engine or transmission that has concerns over build quality; other body parts and interior pieces can also be affected by early wear and tear, so this can be another source of ongoing expenditure. Higher-than-average depreciation rates might make the X-Type relatively inexpensive to buy on the used market, but this won’t account for the potentially high repair costs for engine and electrical faults.

7. Ford Fiesta

It’s The Same 2011-2016 Ford Fiesta The Focus isn’t the only Ford vehicle with major transaxle issues. The 2011 to 2016 Ford Fiesta also had a lot of the same transmission problems as the Focus, with some of the same problems being very pronounced. Power Shift transmissions can cause anxiety because owners are often faced with the car shuddering, hesitating, and not shifting as it should. You might find yourself spending thousands on clutch replacements, too.

Ford Fiesta Trouble Spots:

• PowerShift transmission problems
• Severe transmission shuddering
• Hesitation during acceleration
• Frequent clutch replacement needs
• Electrical and interior defects

It’s still relevant for used buyers, the transmission condition and history count. The Fiesta is also prone to smaller faults which will build up over time. Malfunctioning door latches, electrical failures and quickly wearing parts of the interior cause their own set of extra repair or replacement costs. While the individual faults themselves may seem manageable, be prepared for the accumulating expense if these issues persist over a period of used ownership.

8. Volkswagen Jetta

Common problems for the Jetta of 2009-2013 model years include Volkswagen’s many issues with electrical and mechanical reliability. Expect to pay for expensive repairs on the automatic transmission, gas injectors, or turbo charger components. Any electrical issue can cause all sorts of other system failures and you might also run into suspension issues, infotainment difficulties, and otherwise suffer from an increasing repair bill as more and more age and kilometres add up.

Volkswagen Jetta Trouble Spots:

• Automatic transmission failures
• Faulty fuel injectors
• Turbocharger malfunctions
• Recurring electrical problems
• Suspension and infotainment defects

There are further issues with TDI diesel models as they relate to the emissions controversy. For prospective used-car buyers, it can be confusing to navigate the mechanical and legal issues that the vehicle is involved in, beyond just inspecting and test-driving the car. The Jetta might have comfort and appeal to the European driving character, but recurring component failures can dominate and spoil the picture. Buyers should look closely at maintenance records and major drivetrain parts with these model years.

9. BMW 3 Series

BMW 3 Series Years: 2007-2011 While the 3 series from this era is typically synonymous with sporty handling, luxury, and excellent driving dynamics, certain used models from this era can be a significant maintenance hog. Fuel pump failure, oil leaks, and cooling-system issues can all turn into costly repairs, especially as the vehicle gets older. Certain turbocharged models can also develop turbo failure and carbon build-up issues, which can also become expensive to have repaired.

BMW 3 Series Trouble Spots:

• Fuel pump failure concerns
• Persistent oil leaks
• Cooling system failures
• Turbocharger problems
• Complex electronic faults

The car’s electronics can also be a maintenance challenge. The array of features that add to the 3 Series’ luxury package can also add up to increased odds of a component failure. As well as maintenance needs for the mechanical parts of the vehicle, electrical and electronic parts may also need the attention of an electronics specialist. This should be kept in mind by those shopping for used luxury-cars; an old BMW can be a steal but may also mean a lot of spending down the road if the engine, fuel system, turbo, cooling system, or electronics turn out to have an issue.

10. Chrysler PT Cruiser

The Chrysler PT Cruiser is a highly recognizable vehicle, but it’s plagued by a reputation of unreliability. Particularly when it gets to be older, the PT Cruiser can be an expensive vehicle to keep going. Owners have had to deal with persistent issues with engines overheating and head gaskets going bad, which could have serious long-term implications. Electrical issues also can be incredibly frustrating; from inoperative window regulators to an electrical system that can leave you sitting on the side of the road.

PT Cruiser Trouble Spots:

• Engine overheating problems
• Head gasket failures
• Window regulator malfunctions
• Broader electrical failures
• Rapid interior wear

All these factors can drive up the cost of an aging car. Interior quality is a another problem, with interior materials aging poorly and overall quality of build receiving negative feedback. As the car gets older, there is a general trend for mechanical and cosmetic issues to coincide. A combination of engine, electrical and interior quality issues combined with high maintenance costs means that the PT Cruiser is not the easiest selection to buy if you want reliable transportation in the used market.