Porsche makes some of the most reliable cars in the world. In a study done by J.D. Power, Porsche ranked as one of the most reliable cars and received the J.D. Power Dependability Award for the 2017 Porsche Macan.
Each policy is different, but most service contracts do not cover all repairs. Repairs for brakes, clutches, and other common parts that can be repaired during routine car maintenance may not be in the service contract.
A vehicle service contract from a reputable dealer or company is an excellent thing to buy. However, such contracts can be voided if the rules are not followed.