2017 NISSAN SENTRA SV VIN 3N1AB7AP1HY385902

This Nissan Sentra SV is a 2017 model, finished in grey. The gearbox is automatic. Under the bonnet is a 1.8-litre petrol engine.

The record gives the mileage as 114,420 miles. A clock converted from miles to kilometres should be documented, since the swap can hide the true mileage. A later figure lower than an earlier one points to a replaced instrument cluster or an odometer that has been wound back. Older figures usually turn up on service invoices, inspection reports and past title paperwork.

Primary damage in the record: rear end. Two cars with the same damage label can be very different: one needs a few new parts, the other major work. Whatever the cause, a diagnostic scan of the car’s electronics shows fault codes that a visual check misses.

A ‘runs and drives’ note means the car moved under its own power when it was checked. A key is on file for the car.

Title status in the record: salvage. At some point in its life, the car was declared a total loss. A branded title follows the car through every change of owner, so it remains part of its history.

Behind every used car lies a string of events: who owned it and for how long, what the inspections found and which repairs and claims were made. Pieces of a car’s history sit with registries, dealers, workshops and insurance companies, and none of them sees the whole picture. Much of a car’s past cannot be seen: a good body repair leaves no obvious mark, and neither do years of hard driving.

For the engine, the service history matters most: oil changes, filters and the timing belt or chain are the entries to look for. On a petrol engine, a rough idle, misfires or a warning light on the dashboard need looking into. The automatic gearbox needs its fluid changed at the manufacturer’s intervals, and invoices should show that it was.

A vehicle identification number has 17 characters: the first three name the manufacturer, the next six describe the model and its specification, and the last eight identify the individual car. The record gives the VIN as 3N1AB7AP1HY385902. A VIN that differs between the documents and the car, or shows signs of tampering, is reason enough to walk away.

Where entries exist, a VIN check can show changes of owner, past mileage readings, reported damage and whether the car is listed as stolen. The absence of an entry is not proof that nothing happened; it may only mean that nobody wrote it down. A history report says nothing about the car’s present condition: the frame, corrosion, electrics and the quality of any repair are judged on a lift by a mechanic. A history check on VIN 3N1AB7AP1HY385902 is the place to start.