Used Car Buying Guide

Best Mileage to Buy a Used Car UK

There is no single perfect mileage when buying a used car in the UK. A well-maintained higher-mileage car can be a better buy than a neglected low-mileage example. Condition, service history and ownership care often matter more than the odometer alone.

Quick Answer

What mileage is considered good?

Many UK buyers look for cars averaging around 8,000 to 12,000 miles per year. This can be a useful guide, but it should never be the only factor.

A 7-year-old car with 70,000 miles may be completely normal, while a 7-year-old car with very low miles could still have issues if poorly maintained.

Typical Mileage Guide

General expectations

  • 3 years old: around 24k–36k miles
  • 5 years old: around 40k–60k miles
  • 8 years old: around 64k–96k miles
  • 10 years old: around 80k–120k miles
What matters more than mileage?

Always check these first

Service history

Regular servicing is often more important than mileage alone.

Condition

Interior wear, bodywork damage and tyre condition reveal how a car was treated.

Number of owners

Ownership history can sometimes indicate how carefully the car was used.

MOT history

Repeated advisories may highlight ongoing neglect.

Cold start behaviour

Listen for rattles, smoke or rough running on startup.

Paperwork

Invoices and receipts help prove genuine care.

High Mileage Cars

Should you avoid them?

Not always. A motorway-driven car with 120,000 miles and excellent history may be a smarter buy than a neglected city-driven car with 70,000 miles.

Low Mileage Cars

Are they always better?

No. Cars that sit unused for long periods can develop battery issues, corrosion, tyre ageing and neglected servicing problems.

FAQ

Common Questions

Is 100,000 miles too much?

Not necessarily. Condition and maintenance matter more than the number alone.

Should I buy a diesel with high mileage?

Possibly, but check service history, DPF health and how it was used.

Do lower miles hold value better?

Often yes, but buyers still care about history and condition.

What is best for resale?

A clean, well-maintained car with sensible mileage and full history.

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