What a car inspection can and cannot guarantee

Updated Car Inspect team

Inspector looking into the open bonnet of a silver SUV
Short answer

A pre-purchase inspection can tell you the car's condition on the day, find evidence of repairs, wear and stored faults, and give you a documented basis for your decision. It cannot guarantee that the car will be free of problems in future, detect every internal fault without dismantling components, or replace checking the car's paperwork and history.

We think buyers make better decisions when they know exactly what an inspection is and isn’t. Here’s an honest summary.

What an inspection can do

  • Describe the car’s condition on the day, system by system
  • Find evidence of accident repairs, using paint thickness readings and a structural assessment
  • Read stored, pending and cleared fault codes with a diagnostic scan
  • Identify wear and upcoming costs such as brakes, tyres, suspension and battery
  • Spot leaks, rust and underbody damage
  • Assess how the car drives on a road test
  • Document everything with photos and a written report you can use to negotiate

What an inspection can’t do

Predict the future

Parts can fail at any time, including on a car that inspected well. An inspection reduces the chance of an unpleasant surprise; it doesn’t remove it. It isn’t a warranty.

See inside sealed components

A pre-purchase inspection doesn’t dismantle the engine or gearbox. Internal wear that hasn’t yet produced symptoms, leaks, noises or codes may not be detectable. Premium’s endoscope inspection lets the inspector see into some areas that are otherwise hidden, where accessible.

Find intermittent faults that don’t appear on the day

Some faults only show under specific conditions. Pending codes and live data help, but not every intermittent problem will appear during an inspection.

Check what isn’t accessible

Heavily modified cars, cars with missing keys or cars parked in tight spaces may limit what can be checked. Your report notes anything that couldn’t be inspected.

Replace the paperwork

An inspection doesn’t verify ownership, outstanding finance or legal status. Check the registration, VIN and service history yourself, and consider a vehicle history report.

Replace official testing

A pre-purchase inspection is not the official test required for registration or transfer. See the difference.

How to get the most from an inspection

  1. Book it before you agree a price or pay a deposit.
  2. Combine it with paperwork checks and a history report.
  3. Read the report in order of importance (here’s how).
  4. Ask the inspector about anything you don’t understand.
  5. Use the findings to decide, negotiate or walk away.

Used this way, an inspection is one of the most effective steps you can take before buying a used car. Book a pre-purchase inspection.