2017 NISSAN SENTRA SV VIN 3N1AB7AP0HY337162

This entry is for a 2017 Nissan Sentra SV. The petrol engine has four cylinders and produces 130 hp. The gearbox is automatic.

The source data puts the mileage at 95,123 miles. A clock converted from miles to kilometres should be documented, since the swap can hide the true mileage. A single figure proves little: what makes a mileage believable is a series of readings that rise steadily over the years.

The main issue noted for this car is damage to the left front. Whether the damage has been repaired since, and how well, is not something a damage entry can show. A lift and a diagnostic check show what photos cannot: bent brackets behind a panel, chafed wiring or deployed airbags.

At the time of recording, the car ran and drove. A key was there when the car was checked. A condition note describes the car at one moment; months of standing or later work on the car can change the picture in either direction.

A salvage title is on file for this car. At some point in its life, the car was declared a total loss. Once issued, a branded title stays with the VIN for good, and it affects registration and insurance for every later owner.

Every car builds up a history from the day it is first registered: owners come and go, inspections are passed or failed, and repairs are paid for. The paperwork is kept by different bodies – registries, workshops, insurance companies and lenders – so the history of one car is spread across many places. A car’s past rarely shows on the paintwork: a well-repaired accident or water damage that was dried out is easy to miss.

A cold start, the colour of the exhaust smoke and any oil leaks tell a mechanic a good deal about how an engine has been treated. A petrol engine in good order starts cleanly, idles evenly and pulls without hesitation. The automatic gearbox needs its fluid changed at the manufacturer’s intervals, and invoices should show that it was.

The ninth character of the VIN is a check digit calculated from the other sixteen, so a mistyped or invented number does not add up. The record gives the VIN as 3N1AB7AP0HY337162. A VIN that differs between the documents and the car, or shows signs of tampering, is reason enough to walk away.

A VIN report gathers what different sources know about a car, such as the number of owners, mileage readings, damage and any branded title. No report is complete: a repair done privately and never claimed on insurance leaves nothing to find. 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. The next step is to look up the history behind VIN 3N1AB7AP0HY337162.