When you're talking about exceptionally rare automobiles, many of them are concept cars or prototypes. Both are meant for testing, but what's the difference?

Concept cars can cover everything from the weird and wacky to future favorites. Here are some of the wildest concept cars we've come across.

Mercedes just unveiled the new concept AMG GT XX, which can get almost 250 miles of all-electric range in about five minutes of charging.

The Petersen Automotive Museum in Los Angeles is celebrating the cars and culture of the '80s and '90s with its new 'Totally Awesome!' exhibit.

The GR LH2 Racing Concept is an operational test car based on the GR010 Hybrid Hypercar, Toyota's current Le Mans entry.

Eight Concept Supercars So Wild They Scared Their Own Automakers Away We’ve seen endless mid-engined show cars, but which one disappointed you most by never reaching production?

Though Chrysler-badged production cars haven't been particularly impressive, these five concept cars introduced by the brand over the last three decades deserve nothing but praise.

But as odd as it may sound, many cars don't come with dipsticks anymore. Some sources say it's because automakers don't trust us to use them, so why make them?

The Toronado was probably the most revolutionary car in Oldsmobile’s history, and its debut in 1966 prompted Motor Trend Magazine to award it the Car of the Year distinction. With a little under ...

So, today you tell us what concept cars are you thankful never made it to production. For example, our lead image, the latest official Corvette concept, is stunning, but it’s also devoid of a V8.

Shop Oldsmobile Toronado vehicles in Warrenton, OR for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 3 Toronado models in Warrenton, OR.