The isn't just a luxury sedan; it’s a twelve-cylinder engineering flex disguised as a discreet executive cruiser . If you are looking to buy one, you aren't just buying a car—you’re adopting a piece of automotive history that famously shared its engine DNA with the Bentley Continental GT.

: Cycle through every button. From the pop-up Bang & Olufsen tweeters (if equipped) to the MMI screen, ensure the complex fiber-optic electronics are functioning perfectly. The Verdict

Buying a W12 requires a "maintenance-first" mindset. These cars are reliable if loved, but punishing if neglected:

: Never buy a W12 without a documented paper trail. The engine bay is incredibly tight; even minor sensor replacements can sometimes require "engine-out" labor, which gets expensive fast.