Honda's got a lot riding on the upcoming 2015 NSX hybrid (which will be sold in the US as an Acura). When it launched in 1990, the iconic first generation NSX took the sports car market by storm with an impressive (and affordable) combination of performance, comfort, design and build quality. Production ended in 2005 with the company shifting its focus towards hybrids and other green vehicles. As such, Honda enthusiasts have eagerly been awaiting the NSX replacement. While the new flagship is still being developed, the company just announced the NSX Concept-GT, a hybrid race car which is designed to compete in the Japanese SUPER GT series (GT500 class). Unlike the street version, which features a mid-mounted V6 and three electric motors, the Concept-GT boasts a 2.0L turbocharged direct-injection I4 paired with a "racing hybrid system". When it launches next year, the technology-packed NSX will compete with vehicles like BMW's i8 plug-in hybrid and Lexus' LF-CC.