Know Your MOT

Sym Fiddle vs Sym Dd50: MOT reliability compared

Updated 05 September 2026.

19.1%
Sym Fiddle MOT failure rate, 2.5 pts lower than Sym Dd50

Sym Fiddle is the more reliable MOT performer: 19.1% of Sym Fiddle MOTs fail versus 21.6% for Sym Dd50, a 2.5 point gap.

MetricSym FiddleSym Dd50
MOT failure rate19.1%21.6%
Tests analysed6,9866,378
Most common failureBrakes (32.6%)Brakes (44.9%)

Questions and answers

Which is more reliable, Sym Fiddle or Sym Dd50?

Sym Fiddle is the more reliable MOT performer: 19.1% of Sym Fiddle MOTs fail versus 21.6% for Sym Dd50, a 2.5 point gap.

What is the MOT failure rate of the Sym Fiddle?

19.1% of Sym Fiddle MOT tests result in a failure, from 6,986 tests.

What is the MOT failure rate of the Sym Dd50?

21.6% of Sym Dd50 MOT tests result in a failure, from 6,378 tests.

Compared here

Sym Fiddle common MOT failures and failure rateSym Dd50 common MOT failures and failure rate