Used car buying guide

Is 100,000 Miles Too Much for a Used Car?

100,000 miles is not automatically too much for a used car. Condition, service history, ownership, engine type and how the car has been maintained matter far more than the number on its own.

Quick answer

100,000 miles is not automatically too much for a used car. Condition, service history, ownership, engine type and how the car has been maintained matter far more than the number on its own.

Why mileage alone is not enough

A well-maintained 100k-mile car can be a much better buy than a neglected low-mileage one.

Service history, regular oil changes, timing belt evidence, clutch condition and suspension wear often tell a more useful story than mileage alone.

What to check on a 100k-mile car

  • Full or believable service history
  • Timing belt or chain maintenance history
  • Clutch condition
  • Suspension and brake wear
  • Tyre quality and even wear
  • Engine leaks, smoke or warning lights

When high mileage is less worrying

  • Consistent motorway use with strong maintenance history
  • One or two careful owners
  • Good-quality tyres and evidence of proper servicing

When to walk away

  • No service history
  • Several warning lights
  • Poorly repaired damage
  • Unusual noises, smoke or overheating signs
  • Seller cannot answer basic ownership questions
FAQ

Frequently asked questions

Is 100k miles bad for a petrol car?

Not automatically. It depends on care, maintenance and the specific engine.

Is service history more important than mileage?

Usually yes. Good history often matters more than the mileage number alone.

Should I avoid high-mileage diesels?

Not always, but you should check DPF history, servicing, general condition and how the car has been used.