2015 KIA OPTIMA EX VIN 5XXGN4A73FG366125

This KIA Optima EX was built in 2015. Under the bonnet is a 2.4-litre petrol engine. The gearbox is automatic, with front-wheel drive. The specification is taken from the source data.

Gaps of several years between logged figures deserve attention, as does any reading lower than the one before it. 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 fire damage. A damage entry is a starting point for the inspection, telling the mechanic where to look first. Whatever the cause, a diagnostic scan of the car’s electronics shows fault codes that a visual check misses.

No key is recorded with the car, and a replacement has to be coded to the immobiliser. Months of standing can leave a car with seized brakes and perished tyres.

The record shows a transfer document in place of a title. Without a title certificate, registering the car can take extra paperwork and checks.

Registrations, changes of owner, inspection results and accident claims together make up what is called a car’s history. No single office holds the whole story of a car: registries, workshops, insurance companies and lenders each keep their own part. What a car has been through is seldom visible at first glance, and a respray can make even a badly damaged car look sound.

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. On a petrol engine, spark plugs, ignition coils and the cooling system are the routine items a service history should cover. The automatic gearbox should respond smoothly and without delay; jerks, slipping or hesitation on a test drive need investigating.

A VIN never contains the letters I, O or Q, which could be mistaken for digits; its 17 characters identify the maker, the model and the individual car. This car’s identification number is 5XXGN4A73FG366125. 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. No report is complete: a repair done privately and never claimed on insurance leaves nothing to find. A professional inspection makes sense whatever the paperwork shows, because no report measures corrosion, worn bushes or a poor repair. The history behind VIN 5XXGN4A73FG366125 is the natural starting point before any decision about this KIA Optima EX.