Ferrari makes very reliable engines. They are mostly known for how long their cars last, and the engine is what makes that statement true. In an by tlcmotors.com they explained the reliability of the cars, but they explain the reason why. It's been said that "Regular services, which are crucial to maintain the car's performance and reliability." Basically the car is like a business. You want your business to succeed, so you must put money into it for it to work.