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What Is the Difference Between an MOT Test and Service?

They are different jobs. An MOT is the legal test that a car over three years old must pass to be used on a public road. A service is maintenance in the manufacturer's schedule. Passing an MOT does not mean the car has been serviced, and a service stamp is not an MOT certificate.

The MOT looks at items such as brakes, emissions, suspension, seatbelts and lights against a minimum standard. It does not change the oil, replace filters, or follow a service schedule.

A service follows the handbook for that car. A common interval is 12 months or 12,000 miles, whichever comes first. Work often includes oil, filters and other parts listed for that service. A service is not legally required in the way an MOT is.

Side by side

  • MOT: legal minimum for safety and emissions, once a year after the car is three years old.
  • Service: the manufacturer schedule, often every year or 12,000 miles. Not an MOT certificate.
  • Record: the MOT check shows test history by registration. It does not show a dealer service book, and it does not book either appointment.

Frequently Asked Questions

The MOT is the legal test of minimum safety and emissions standards. A service is separate maintenance, such as oil, filters and scheduled parts. A service is not a legal substitute for the MOT.

Follow the schedule in the vehicle handbook. A common interval is every 12 months or 12,000 miles, whichever comes first. The handbook for that car is the one that applies.

Brakes, lights, suspension, emissions and tyres, among other safety items. The MOT check shows past results for a registration. It does not book a test. See what is checked during an MOT.

It can. The MOT does not check whether the car has been serviced. A missed service can still leave a fault that fails the test, such as worn brakes or an emissions problem.