Sometimes an automaker designs an incredible car and only builds one example, whether it's for a show, a special event, or at the request of a wealthy collector. Here are some of the best, according to you.
We got our first look at this elongated Porsche 911 back in 1968 just as it was being completed for a builder in Texas. It wasn't a factory job, either—he had it custom-ordered for his wife. It looks, well, like a 911 with four doors. We like it.
The appropriately named Lamborghini Egoista is a single-seater supercar that looks like a mashup of Hot Wheels' greatest hits. Sadly, it never made production. We can't fathom why.
At first glance, this Mustang may just seem like a strangely proportioned kit car based on something else entirely. But in reality, it was a real, actual two-seater Mustang with a shortened body. Instead of building it, Ford decided to scrap the project. The car was saved, though, and remains a regular showpiece at concours events.
The Furai was a triple rotor-powered racing concept based on the Courage chassis Mazda used to race in the American Le Mans Series. It was fully functional, and had some seriously good looks. It tragically caught fire and burned to a crisp less than a year after it was revealed during a Top Gear testing shoot.
The Marzal is a Bertone-designed four-seater two-door concept first shown at the 1967 Geneva Motor Show. It has six headlights, a 2.0-liter straight-six engine, and more hexagons than you can count. Its lines would later be used to pen the wonderful Espada grand tourer.
If you have enough money, you can pay a company like Ferrari to build a unique car for you to enjoy all by yourself. James Glickenhaus did exactly that with the P4/5, and we're huge fans. If we had that kind of money, we'd probably commission Ferrari to build a custom car for us, too.
As a celebration of its 100th birthday, Alfa Romeo redesigned the 8C Competizione as a tribute to the legendary Giulia TZ from the 1960s. While the 8C was already a beautiful car, the TZ3 Corsa ended up being even more stunning, with its Kammback design stealing the show.
The Chevrolet Corvette is the American sports car, but in 1963, Pininfarina decided to give the Corvette a bit of European flair. The Rondine's proportions differ from the C2 it's based on, but if you look closely you can see a little 'Vette still in there.
Designed in collaboration with Bertone and Franco Scaglione, the Abarth 1500 Biposo is one of the earliest Fiat-based Abarths. It is also considered a precursor to Bertone's legendary BAT series, which Scaglione also designed.
In the early 2000s, Maybach was mostly known for building ultra-luxury sedans that rivaled those offered by Bentley and Rolls-Royce. The Exelero, however, was a low-slung coupe with a 700-horsepower V12 and a menacing design. It was supposedly built for tire testing, but sadly its Batmobile-like styling didn't appear on any production Benzes.
Built as a real-world version of a car designed for the video game Gran Turismo 5, the Citroen GT looks wild. Six were supposed to be produced, but as far as we know, only the one built for the 2008 Paris Motor Show was ever built.