2017 GMC ACADIA DENALI VIN 1GKKNXLS4HZ135560

This entry is for a 2017 GMC Acadia Denali, finished in black. Power reaches the wheels through an automatic gearbox. Under the bonnet is a 3.6-litre petrol engine producing 310 hp. Every figure for this car is given as it appears in the source data.

The record gives the mileage as 158,435 miles. Because the clock counts miles, any figure noted in kilometres has to be converted before the two can be compared. Averaged over the car’s age, the mileage works out well above the usual annual distance, and wear on the suspension, brakes and interior should be judged with that in mind. A later figure lower than an earlier one points to a replaced instrument cluster or an odometer that has been wound back.

The main issue noted for this car is front-end damage. The damage type is a short label: the extent of the damage and the quality of any repair still have to be judged on the car. Whatever the cause, a diagnostic scan of the car’s electronics shows fault codes that a visual check misses.

The car is recorded as running and driving. A key was present. Months of standing can leave a car with seized brakes and perished tyres.

The record shows a salvage title. Such a title means the car was declared a total loss and can return to the road only after repair and inspection. A branded title follows the car through every change of owner, so it remains part of its history.

A car’s history answers three questions: who kept it, how it was looked after and what went wrong along the way. Pieces of a car’s history sit with registries, dealers, workshops and insurance companies, and none of them sees the whole picture. What a car has been through is seldom visible at first glance, and a respray can make even a badly damaged car look sound.

Regular oil changes and timely work on the timing belt or chain decide how well an engine copes with age. On a petrol engine, a rough idle, misfires or a warning light on the dashboard need looking into. The automatic gearbox should respond smoothly and without delay; jerks, slipping or hesitation on a test drive need investigating. With all-wheel drive, mismatched tyres can strain the centre differential or coupling, so all four should be the same make and similarly worn.

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. For this car, the VIN is 1GKKNXLS4HZ135560. The number in the car’s documents should match the one stamped into the body and the one on the plate at the base of the windscreen.

Depending on what is on file, a VIN report may include past registrations, mileage readings, damage entries, branded titles and theft checks. A repair paid for in cash at a small workshop leaves no trace in any database, so no report can list it. However complete the paperwork, only an inspection shows the condition of the body, suspension, brakes and electrics today. A history check on VIN 1GKKNXLS4HZ135560 is the place to start.