Can you drive your car on the day your MOT expires? The expiry date of your MOT indicates the final day you can drive legally with a valid MOT. Cherie Carter at Indigo Car Hire also says that motorists can drive their vehicles on the day their MOT expires but warns "there is no grace period once it has expired". "It’s very easy to forget, and there isn’t a grace period when the MOT date expires. Recommended reading:Vehicles without a valid MOT can also be found through traffic stops, which can be carried out at random.