What it is: Two-seat sports car.
Why it's hot: Front-engine, rear-wheel drive that harkens back to the Toyota 2000GT.
Will it ever be built? A toned-down version will likely be Toyota's next sports car.
Volkswagen Beetle Dune
What it is: A Beetle with an off-road look.
Why it's hot: A modern-day Baja Bug, Dune is based on a Beetle R-Line, with 210-horsepower turbocharged direct-injected 2.0-liter engine.
Will it ever be built? Volkswagen says Dune is "production ready." It could be offered in a limited run if it is well-received at auto shows.
Kia GT4 Stinger
What it is: 2+2 seat sports car.
Why it's hot: It has rear-wheel drive with a 315-horsepower turbocharged engine and a six-speed manual transmission.
Will it ever be built? Probably not, but the styling is likely to be the inspiration for future models.
Infiniti Q50 Eau Rouge
What it is: High-performance sports sedan.
Why it's hot: Designed with a Formula One car in mind, it is lower and wider than the current Q50.
Will it ever be built: Unlikely, but Infiniti says the styling and high-performance characteristics hint at future Infiniti models.
Audi Allroad Shooting Brake
What it is: Two-door crossover.
Why it's hot: It's a plug-in hybrid that goes from zero to 62 mph in 4.6 seconds, yet its all-wheel drive means that it's also agile off pavement.
Will it ever be built: Not in this form, but some design and powertrain elements will be used in future sports-car models.