2017 AUDI A4 PREMIUM PLUS VIN WAUENAF40HN028402

This record covers a 2017 Audi A4 Premium Plus. Power reaches the wheels through an automatic gearbox. The engine is a 2.0-litre petrol unit with four cylinders.

The clock stood at 107,640 miles when the data was entered. The figure is in miles and needs converting before it is compared with kilometres: one mile is about 1.6 km. Services and inspections note the distance covered, so a car with an ordinary past builds up a trail of figures that climb year after year. Service invoices and inspection reports each carry a mileage figure, and lined up in order they show whether the clock tells the truth.

When the car was recorded, it showed front-end damage. 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. 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 car’s history answers three questions: who kept it, how it was looked after and what went wrong along the way. 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.

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. On a car with all-wheel drive, a whine or clunk when turning tightly at low speed needs a mechanic’s attention.

A history check works by VIN because the number never changes, unlike registration plates and owners. For this car, the VIN is WAUENAF40HN028402. Scratches, fresh paint or a replaced plate around the VIN markings are warning signs in their own right.

A VIN report shows what has been logged: earlier registrations, odometer figures, damage entries, branded titles and theft checks, wherever such data exists. A repair paid for in cash at a small workshop leaves no trace in any database, so no report can list it. The past is on file; the car’s condition today is a job for a mechanic, who can check the structure, underbody, electrics and any repairs on a lift. The next step is to look up the history behind VIN WAUENAF40HN028402.