Know Your MOT

Rolls Royce Phantom vs Rolls Royce Corniche: MOT reliability compared

Updated 05 September 2026.

6.5%
Rolls Royce Phantom MOT failure rate, 10.5 pts lower than Rolls Royce Corniche

Rolls Royce Phantom is the more reliable MOT performer: 6.5% of Rolls Royce Phantom MOTs fail versus 17.0% for Rolls Royce Corniche, a 10.5 point gap.

MetricRolls Royce PhantomRolls Royce Corniche
MOT failure rate6.5%17.0%
Tests analysed15,4868,642
Most common failureLamps & electrical (25.0%)Brakes (44.2%)

Questions and answers

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

Rolls Royce Phantom is the more reliable MOT performer: 6.5% of Rolls Royce Phantom MOTs fail versus 17.0% for Rolls Royce Corniche, a 10.5 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 Corniche?

17.0% of Rolls Royce Corniche MOT tests result in a failure, from 8,642 tests.

Compared here

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