Quick Scoop

High mileage for a used car is usually considered anything above about 10,000 to 12,000 miles per year of age. A commonly used old-school cutoff is 100,000 miles, but many modern cars can go well beyond that with good maintenance.

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Simple rule of thumb

  • Under average: below about 10,000 to 12,000 miles per year.
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  • High mileage: above that yearly average.
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  • Traditional red flag: over 100,000 miles, though this is less decisive than it used to be.
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What matters more than the odometer

Mileage is important, but it is not the whole story. Service records, accident history, how the car was driven, and overall condition can matter just as much as the number on the dash.

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A well-maintained 120,000-mile car can be a better buy than a neglected 70,000-mile car.[5]

Quick example

  • A 5-year-old car with 50,000 to 60,000 miles is around average.
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  • A 5-year-old car with 80,000+ miles starts to look high-mileage.
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  • A 10-year-old car with around 120,000 miles is roughly average by yearly-use standards.
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Bottom line

If you want a fast answer: high mileage usually means more than the average annual mileage for its age, and often anything over 100,000 miles gets labeled high mileage. Still, a careful inspection and maintenance history are more important than mileage alone.

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TL;DR: High mileage is usually over 10,000 to 12,000 miles per year, and 100,000 miles is the classic benchmark, but condition and service history matter most.

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