2012 INFINITI G37X VIN JN1CV6AR3CM970942

The Infiniti G37X described here left the factory in 2012. The drivetrain combines an automatic gearbox with four-wheel drive. The petrol engine has six cylinders and produces 328 hp. Details for this car come from a single data source and may differ from its documents.

The clock stood at 166,412 miles when the data was entered. The instruments count in miles; the same distance in kilometres is about 1.6 times the figure. Turning back an odometer takes little skill and leaves no visible trace, which is why earlier figures matter more than the display. Service invoices and inspection reports each carry a mileage figure, and lined up in order they show whether the clock tells the truth.

The record lists front-end damage as the main problem on this car. A damage entry is a starting point for the inspection, telling the mechanic where to look first. 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.

At the time of recording, the car ran and drove. A key was there when the car was checked. Condition notes are a snapshot: the car may have been worked on, stripped of parts or left standing since.

The car carries a salvage title. A title like this is issued when repair was judged uneconomical or unsafe. A branded title follows the car through every change of owner, so it remains part of its history.

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. The paperwork is kept by different bodies – registries, workshops, insurance companies and lenders – so the history of one car is spread across many places. From the outside, a car with a repaired accident and a car without one can look identical.

An engine that has had its oil changed on time is far less likely to cause trouble later, and workshop invoices are the proof. A petrol engine in good order starts cleanly, idles evenly and pulls without hesitation. Automatic transmissions, CVTs included, are expensive to repair, so the test drive should include pulling away from a standstill and a stretch at motorway speed.

The VIN is a 17-character code assigned at the factory: it identifies the manufacturer, the model and its variant, and ends with a serial number unique to the car. This Infiniti G37X has the VIN JN1CV6AR3CM970942. Scratches, fresh paint or a replaced plate around the VIN markings are warning signs in their own right.

A VIN report gathers what different sources know about a car, such as the number of owners, mileage readings, damage and any branded title. 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 JN1CV6AR3CM970942 is the place to start.