Since taking over Bentley, the Volkswagen Group has done a lot to modernize the marque and its products. And no small part of that came down to the engines. Under VW stewardship, Bentley introduced its ubiquitous W12 that makes it the largest producer of twelve-cylinder engines in the world. It then rolled out a smaller V8 co-developed with Audi that offers nearly all the benefits of the larger twelve but with less weight and better fuel economy. There's even been talk of hybrids and diesels. But one thing the Germans have avoided touching is the 6.75-liter V8 in the Mulsanne.
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