The car's main handling problem was a lack of front-end grip, allied to the often unreliable engine.

The IXD1 had unreliable engines and they were converted to transports.

However, the ARs were not considered combat capable and also had unreliable engines.

Perhaps thanks to such a reputation for its unreliable engine, only 25,877 cars were produced between 1970 and 1977.

By the end of 1939, this aircraft had logged only 10 hours of flight, due to the unreliable engines.

Compared with some other competitors it was overweight; like many others it suffered from an unreliable engine.

The MiG-9 suffered from an unreliable engine and control problems.

It was unsuccessful, being abandoned due to an unreliable engine.

Owing to the end of the War and an unreliable engine, it was unsuccessful, only three being built.

The MiG-9 was a troublesome design which suffered from weak, unreliable engines and control problems.