Background
An automobile is a highly engineered collection of complex components, each of which has its own lifespan and longevity characteristics. The MTBF of some components is expected to be small, as the easy replacement of these is considered part of maintenance. Other components, many of which have high replacement costs, are expected to have a longer life; however, a large longevity may very well require replacement of several of these, raising issues of economics.
The motivation for pursuing longevity can vary. The economic trade-off of purchase versus repair will be part of the equation. Of course, many factors, such as whether the car is classic, outweigh pure economics. The desire to extend the life of an auto that is paid off, by fighting "planned obsolescence", is often important for drivers.
The life of the auto, as the collection, follows, according to a very common model, a bathtub-like pattern. After an initial phase where failure may be likely (hence the offering of the warranties by the dealer), there may be a long period of unlikely failure, as the probabilities will be low. Given that the auto has been around for a little over 100 years, what cars become, and remain, classic and the maximal lifespan for any car are open-ended questions. Interest in longevity beyond that related to purchasing used vehicles will improve the science of predicting car life, with such things as a life table for cars.
Read more about this topic: Car Longevity
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