Factors to consider when evaluating new or used Volkswagen engines include the mileage on the car from which it comes, the presence of any warranty and the exact nature of the used engine's condition. Buyers should also determine the compatibility of the engine with the vehicle in question and check the functionality of all its components.
Before buyers begin looking at engines, it is important to determine the exact requirements of the car in question to guide the search in the appropriate direction. If the buyers is looking for a Volkswagen engine for a Volkswagen vehicle, the chances of compatibility are significantly higher as the buyer may focus on the same make and model. However, purchasing a Volkswagen engine for another type of vehicles means the buyer must check the owner's manual to make sure the rest of the vehicle's systems are capable of functioning with the engine.
In all cases, buyers also need to find out the mileage on the engine, as lower mileage typically relates to a better condition due to the smaller amount of usage. It is still important to test the full functionality of the engine, regardless of the mileage, to make sure that components such as the spark plugs, cylinder sleeves and pistons are in good condition. Buyers also need to find out if a used engine is actually reconditions or rebuilt, as this means it may contain newer parts and thus modify its life expectancy.