West Yorkshire Police said the driver of the Rolls Royce Ghost could have faced a big fine.
A car worth more than £200,000 was stopped in Halifax after police identified it as having no MOT.
West Yorkshire Police say the Rolls Royce Ghost hadn't had an MOT for four years.
In the post they reminded drivers that not having a valid MOT can lead to an £1,000 fine.
You can get MOT reminders here: https://www.gov.uk/mot-reminder