2018 INFINITI Q50 3.0T LUXE VIN JN1EV7AR5JM445618

This record covers a 2018 Infiniti Q50 3.0T Luxe. The gearbox is automatic, with four-wheel drive. Under the bonnet is a 3.0-litre petrol engine producing 300 hp.

The car was recorded with 36,554 miles on the clock. Because the clock counts miles, any figure noted in kilometres has to be converted before the two can be compared. Little distance per year can mean long periods of standing, light use or a tampered clock, and only older entries tell these apart. Turning back an odometer takes little skill and leaves no visible trace, which is why earlier figures matter more than the display. A service book or a folder of workshop invoices is the simplest place to find past readings.

In the source data, the main issue is damage from vandalism. Two cars with the same damage label can be very different: one needs a few new parts, the other major work. Damage rarely stays where it is first seen: an impact can reach the mountings and airbags behind a panel, and water or fire the wiring and electronics.

No key was available with the car, so a new one will have to be made and programmed. 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.

The record shows a salvage title. A title like this is issued when repair was judged uneconomical or unsafe. Once issued, a branded title stays with the VIN for good, and it affects registration and insurance for every later owner.

A car’s history is the sum of what has happened to it since it was new, and most of it has left a trace on paper somewhere. No single office holds the whole story of a car: registries, workshops, insurance companies and lenders each keep their own part. From the outside, a car with a repaired accident and a car without one can look identical.

Regular oil changes and timely work on the timing belt or chain decide how well an engine copes with age. Many modern petrol engines are turbocharged and direct-injected; where they are, the turbocharger and injectors belong on a specialist’s checklist. The automatic gearbox should respond smoothly and without delay; jerks, slipping or hesitation on a test drive need investigating. Drive to all four wheels means more to maintain: differentials and couplings have oil of their own, which some manufacturers want changed at set intervals.

Every modern car carries a 17-character VIN, its identity for life, and no two cars share one. The record gives the VIN as JN1EV7AR5JM445618. 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. However complete the paperwork, only an inspection shows the condition of the body, suspension, brakes and electrics today. The next step is to look up the history behind VIN JN1EV7AR5JM445618.