Failure rates by vehicle age
There were some reductions to the initial failure rates by age of vehicle in 2017/18.
The most notable came for 9 and 11 year old HGVs, as well as PSVs up to 1, 7, 9 and 10 years old (the latter falling 4.20%).
There were increases in the failure rates for 4, 7 and 8 year old HGVs and 3, 6, 8 and 11 year old PSVs. The initial failure rates for trailers saw no reductions, with increases for 4, 6 and 7 year old trailers.
View the figures here
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