Which sentence combines these two sentences and includes a relative clause?

The car stopped running today. The car was reliable for over 20 years.

Responses

The car stopped running today even though it was reliable for over 20 years.
The car stopped running today even though it was reliable for over 20 years.

The car was reliable for over 20 years, but it stopped running today.

The car was reliable for over 20 years, but it stopped running today.,

The car that stopped running today was reliable for over 20 years.
The car that stopped running today was reliable for over 20 years.

The car, reliable for over 20 years, stopped running today.

The car, which was reliable for over 20 years, stopped running today.