Know Your MOT

Rolls Royce Phantom vs Rolls Royce Shadow: MOT reliability compared

Updated 05 September 2026.

6.5%
Rolls Royce Phantom MOT failure rate, 11.9 pts lower than Rolls Royce Shadow

Rolls Royce Phantom is the more reliable MOT performer: 6.5% of Rolls Royce Phantom MOTs fail versus 18.4% for Rolls Royce Shadow, a 11.9 point gap.

MetricRolls Royce PhantomRolls Royce Shadow
MOT failure rate6.5%18.4%
Tests analysed15,4869,456
Most common failureLamps & electrical (25.0%)Brakes (51.6%)

Questions and answers

Which is more reliable, Rolls Royce Phantom or Rolls Royce Shadow?

Rolls Royce Phantom is the more reliable MOT performer: 6.5% of Rolls Royce Phantom MOTs fail versus 18.4% for Rolls Royce Shadow, a 11.9 point gap.

What is the MOT failure rate of the Rolls Royce Phantom?

6.5% of Rolls Royce Phantom MOT tests result in a failure, from 15,486 tests.

What is the MOT failure rate of the Rolls Royce Shadow?

18.4% of Rolls Royce Shadow MOT tests result in a failure, from 9,456 tests.

Compared here

Rolls Royce Phantom common MOT failures and failure rateRolls Royce Shadow common MOT failures and failure rate