Reliability: Reliability is the likelihood that a product will not fail within a specific time period. ... Durability: Durability measures the length of a product's life. When the product can be repaired, estimating durability is more complicated. The item will be used until it is no longer economical to operate it.

What does durability testing mean?

Durability testing is an essential step in determining the expected life of a vehicle. It increases repeatability and reduces risk exposure by detecting defects at an earlier stage in the vehicle development process.

What is reliability in design?

Reliability is the probability that a product will continue to work normally over a specified interval of time, under specified conditions. For example, the mouse on your computer might have a reliability of 0.990 (or 99%) over the next 1000 hours.