Car longevity is of interest to many car owners and concerns several things: maximum service life in either miles or time (duration), relationship of components to this lifespan, identification of factors that might afford control in extending the lifespan. Barring an accidental end to the lifespan, a car would have a life constrained by the earliest part to fail. Some have argued that rust and other factors related to the body of a car are the prime limits to extended longevity.
Background
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An automobile is a highly engineered collection of complex components, each of which has its own lifespan and longevity characteristics. The MTBF (mean time between failures) 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 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.
Statistics
In the United States, the Environmental Protection Agency assumes the typical car is driven 15,000 miles per year. According to the New York Times, in the 1960s and 1970s, the typical car reached its end of life around 100,000 miles, but due to manufacturing improvements such as tighter tolerances and better anti-corrosion coatings, in the 2000s the typical car lasts closer to 200,000 miles.
High mileage
Some car manufacturers support a "high mileage" club. For example, Volvo and Mercedes-Benz have a "High Mileage Award" program in which owners who drive 250,000, 500,000, 750,000, and 1 million kilometers are awarded with a certificate and a radiator grille badge.
Many non-commercial vehicles (both auto and truck) have exceeded one million miles. For instance, in 2013, Irv Gordon had accumulated 3 million miles in his 1966 Volvo P1800. In 2006, a 1995 Dodge Ram was reported to Chrysler as having gone 1 million miles.
A 1976 Mercedes-Benz 240D in Greece of Gregorios Sachinidis has reached 2,858,307 miles before retiring to the Mercedes-Benz Museum in Germany.
A 1989 Saab 900 SPG belonging to Peter Gilbert of Wisconsin had put in 1,001,385 miles before it was donated to the Wisconsin Automotive Museum.
Another was the 1963 Volkswagen Beetle belonging to Albert Klein of Pasadena, California that had accumulated 1,442,044 miles on 25 Jan 1993.
AARP Magazine featured several long-running cars (over 200K miles) in its July 2009 Issue.
A 2014 study on Consumer Reports by iSeeCars.com listed 10 Longest Lasting Cars over 200K miles.
Sikorsky and others, have developed lists that itemize steps that a car owner can take, or identified operating and maintenance rules, to ensure maximal longevity.
- 1. Regular oil changes
- 2. Monitor the key fluids
- 3. Maintain the transmission
- 4. Change the spark plugs as needed
- 5. Replace the timing belt as recommended (if applicable)
- 6. Replace air filter as required
- 7. Know and use your maintenance manual
- 8. No sudden starts and stops
- 9. Plentiful low cost replacement parts being available
In a public economics sense, Kasmer argues that retrofitting autos with a newer transmission would extend the lifespan while at the same time increase fuel efficiency, reduce carbon emissions, and prevent the sudden influx of discarded vehicles into the waste bin as cars are junked to be replaced by a modern vehicle. However, with replacement parts for modern cars becoming ever more high tech, expensive and proprietary and therefore difficult to obtain (due to OEM copyright), many critical components are no longer available at low cost from third party aftermarket suppliers. Due to this fact, most modern cars can no longer be maintained once repair cost of the car exceed resale value. This trend has led to the modern cars being labeled as the first ever "disposable" cars.
References
See also
- Reliability engineering
- Economics of automobile ownership
- Scrappage program
