Why the number of engine failures is increasing so massively


Why automobiles have engine failures so much more often today

Why the number of engine failures is increasing so massively-massively

With old cars, one is not surprised that the engine sometimes goes on strike, but this is often the case with newer used cars too. The share of engine damage in the total volumeThe regulated damage to used vehicles increased in 2015 from 10.1 to 10.5 percent

Source: Getty Images

The breakdown statistics of a warranty provider cover all manufacturers and models. It is therefore more meaningful than surveys by TuV and ADAC. Engine damage is the biggest cost driver.

W.hat breaks on the car most often? The TuV report is only of limited informative value here, as it only breaks down damage to safety-relevant components. The entire range of claims, on the other hand, is covered by the current analysis by Freiburg-based CG Car Garantie AG, one of the largest European guarantee insurers.

The basis for the claims balance for 2015 was provided by the evaluation of 655,892 used car warranties and 363,093 new car follow-up warranties for all brands and models that had expired in 2015 with terms between twelve and 36 months.

The share of engine damage in the total volume of regulated component damage in used cars increased from 10.1 to 10.5 percent. In 2011 it was 8.3 percent. The noticeable negative trend of the previous years for engine damage has thus continued again, while the damage rate for the other assemblies changed only insignificantly and in some cases even declined. The proportion of engine damage also increased dramatically with the new vehicle warranty: from 7.9 percent (2014) to 10.5 percent last year.

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Finding an explanation for the growing number of engine failures is not easy. Our inquiries to organizations of engine reconditioners came to nothing, as did some testing organizations. An answer came only from the expert organization KuS: "Increasing cost pressure among manufacturers and more and more electronics are apparently leading to a decline in long-term quality," says test engineer Thomas Schuster.

"Downsizing and the pursuit of ever higher efficiency, i.e. a reduction in displacement and the number of cylinders, coupled with the increased use of turbochargers, are very likely to have an impact on the service life of the engines."

There are between 1000 and 3000 meters of cables in the car

In terms of the frequency of damage, the fuel system including turbocharger for the first time last year was at the top of assembly damage with a share of 19.3 percent, followed by electrical damage (18.3 percent), which so far had always topped the damage statistics.

Buyers are opting for more and more convenience electronics, and this also leaves a clear mark on the car warranty statistics. In addition to the electrical damage already mentioned, another 10.8 percent of the defects were due to one or more of the countless electronic helpers in sunroofs, window regulators, exterior mirrors, parking brakes, seat adjustment or trunk lids, to name just a few examples.

Why the number of engine failures is increasing so massively-number

Claims frequency and claims settlement for used cars

Source: Car Guarantee

In fourth place was engine damage with 10.5 percent. In contrast, the loss rates for air conditioning (8.8 percent), gearboxes (5.0 percent), braking systems (3.6 percent), steering (3.4 percent), exhaust systems (3.1 percent) and safety systems (2nd , 0 percent).

If you break down the damage according to the level of the regulatory amounts, the picture shifts as expected: Here, engine damage is at the top. For this alone, 21.7 percent of the regulatory costs had to be spent last year. In the next places came fuel systems (17.7 percent) and electrical systems (11.9 percent).

Most of the damage, namely 31.7 percent, occurred in used cars during the first 5000 kilometers after the vehicle was purchased or after the start of the warranty. More than half of all damage (54.2 percent) occurred within the first 10,000 kilometers. The average costs per damage increased only minimally compared to the previous year to 502 euros.

The history of the car tire in seven stages

Why the number of engine failures is increasing so massively-Civic consumption miracle Honda Civic

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1885: Carl Benz puts three solid rubber rings on the wooden spoked wheels of his patented motor vehicle number 1.

Source: Getty Images

Why the number of engine failures is increasing so massively-massively

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1895: In the Paris-Bordeaux-Paris race, a car covers a longer distance on pneumatic tires for the first time. Michelin developed it.

Source: picture alliance / Gusman / Leemag

Why the number of engine failures is increasing so massively-failures

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1904: The tire gets a profile: Continental manufactures the first tires with so-called transverse ribs.

Source: Getty Images

Why the number of engine failures is increasing so massively-massively

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1922: Dunlop presents the tire with a reinforced bead, which ensures a better fit on the rim. Tires are still made this way today.

Source: Getty Images

Why the number of engine failures is increasing so massively-Civic consumption miracle Honda Civic

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1938: The steel belt tire is born. Michelin relies on the connection between rubber and steel wire.


Why the number of engine failures is increasing so massively-number

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1950: The first winter tires with the M + S symbol (for mud and snow) come onto the market. They have a rough profile and are louder. 1982 comes the first winter tire with the bis nowadays common slats.

Source: Continental

Why the number of engine failures is increasing so massively-increasing

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1988: Robert Bosch GmbH receives a patent for its tire pressure monitoring system from the European Patent Office. Several companies have developed such systems today, including VDO and Continental. They have been mandatory for all new cars since the end of 2014.

Source: continental

In the case of new vehicles, the probability of damage rose sharply after 25,000 kilometers: 78.2 percent of the damage occurred after this mileage. In terms of time, 57.3 percent of the damage was registered within the first twelve months of the start of the warranty.

With an average annual mileage of 13,000 kilometers, the risk of damage increases significantly in the third and fourth year after initial registration, i.e. when the manufacturer’s guarantee has already expired on many new vehicles.

"With the increase in intelligent driver assistance systems, the number of electrical and electronic components is also growing," says Axel Berger, CEO of CG Car Garantie AG.

“A well-equipped car now has between 1,000 and 3,000 meters of cable. Naturally, the increasingly complex vehicle technology and electronics also mean a higher probability of damage. Where there is more in it, more can break down. "

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