2003 GMC SONOMA SL VIN 1GTCS14X938218478

This GMC Sonoma SL was built in 2003. Power reaches the wheels through an automatic gearbox. Under the bonnet is a 4.3-litre petrol engine.

At the time of recording, the car had covered 179,691 miles. A clock converted from miles to kilometres should be documented, since the swap can hide the true mileage. The number on the clock proves little by itself; earlier figures logged at services and inspections are what make it believable. Figures carry most weight when they come from independent sources: workshops, inspection stations and past title paperwork.

The main issue noted for this car is gearbox damage. A damage entry is a starting point for the inspection, telling the mechanic where to look first. Some damage shows its consequences only later: corroded connectors and electrical faults can surface months afterwards.

The car is recorded as running and driving. A key was present. Condition notes are a snapshot: the car may have been worked on, stripped of parts or left standing since.

Title status in the record: salvage. A title like this is issued when repair was judged uneconomical or unsafe. The structure and the quality of any work done deserve a thorough inspection on a car with a branded title, however sound the car looks.

A car’s history is everything logged against it since it left the factory: registrations and owners, inspections, repairs and insurance claims. 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 clean, polished car can still hide a serious accident, a flood or years of hard use.

Regular oil changes and timely work on the timing belt or chain decide how well an engine copes with age. On a petrol engine, spark plugs, ignition coils and the cooling system are the routine items a service history should cover. 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 tenth character of the VIN stands for the model year, and the eleventh for the plant that built the car. The record gives the VIN as 1GTCS14X938218478. A VIN that differs between the documents and the car, or shows signs of tampering, is reason enough to walk away.

What a history report can list depends on what has been documented about the car: registrations, mileage readings, damage, branded titles and theft reports. 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. A history check on VIN 1GTCS14X938218478 is the place to start.