Ford's made somewhere in the neighborhood of a trillion Explorers, each one less special than the next. Some cars are so great, however, they can only build one of them. What's your favorite one-off car?

The Bentley R-Type Fastback Coupe Continental Racer is that rare Bentley we can't look away from. A reminder of a time when the marque was about a delightful boastfulness more recently replaced with presumptuousness. Based on the already rare 1954 R-Type Continental, this vehicle was built for post-war racing and looks gorgeous. Unlike the stiff-carrying sedans, it's meant to be driven not driven in. It's refined yet raucous, like a young Queen Elizabeth II throwing a right hook.

What's the best vehicle you can count the copies of on one finger?

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