When purchasing a used car, mileage is a crucial factor to consider. Cars with over 100,000 miles can often be a great deal, but some models have a reputation for breaking down after reaching this milestone. The cars listed here have known issues that can become more pronounced after reaching 100K miles. Always have a trusted mechanic conduct a pre-purchase inspection and review the vehicle’s service history. Doing your homework can save you time, money, and headaches down the road. Happy car hunting! To help you make an informed decision, here’s a look at ten cars that are often cited for reliability issues as they approach or surpass 100K miles, along with tips for potential buyers.
Ford Explorer (2002-2005)
- Transmission problems are common.
- High rates of engine failure.
Tips:
Look for signs of engine leaks or unusual noises. Check service history for transmission work.

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Chevrolet Impala (2000-2005)
- Engine coolant leaks.
- Problems with the fuel pump and ignition system.
Tips:
Request a mechanic’s inspection focusing on the engine. Ensure the previous owner maintained regular oil changes.

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Jeep Grand Cherokee (2005-2010)
- Frequent electrical issues.
- Transmission and engine problems, particularly with the 3.7L engine.
Tips:
Take the car for a test drive to listen for transmission issues. Verify that electrical systems are functioning correctly.

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Volkswagen Jetta (2000-2005)
- Issues with the turbocharger and electrical systems.
- Timing belt replacements are crucial, but often neglected.
Tips:
Look for any electrical work done recently. Check if the timing belt has been replaced.

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Nissan Pathfinder (2005-2010)
- Transmission failures and excessive oil consumption.
- Issues with the timing chain.
Tips:
Listen for engine noises that might indicate chain problems. Confirm that the transmission fluid has been regularly changed.

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Honda Accord (2003-2007)
- Problems with the automatic transmission, especially in V6 models.
- Engine oil leaks and battery issues.
Tips:
Inspect the engine for oil leaks and corrosion on the battery. Review service records for transmission maintenance.

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Dodge Ram (2002-2005)
- Transmission and engine problems, especially with the HEMI engine.
- Rear differential issues.
Tips:
Check the rear differential for unusual sounds or leaks. Look for transmission service records.

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Chrysler 300 (2005-2010)
- Engine problems, particularly with the 3.5L V6.
- Electrical and transmission issues.
Tips:
Look for maintenance records focusing on the engine. Test the electrical systems before purchasing.

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Toyota Highlander (2001-2007)
- Engine and transmission issues, particularly in early models.
- Head gasket failures in some V6 models.
Tips:
Consider a pre-purchase inspection, focusing on the engine. Verify the vehicle’s maintenance history.

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Subaru Legacy (2005-2009)
- Oil consumption problems.
- Head gasket failures, especially in the 2.5L engine.
Tips:
Inspect the engine for any leaks or prior head gasket work. Check for oil consumption during a test drive.

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