Nissan IDx Freeflow concept

DETROIT -- Combining the boxy proportions of the classic Datsun 510 with a healthy dose of futuristic stying is the Nissan IDx Freeflow concept. This coupe concept originally debuted at the 2013 Tokyo Motor Show late last year, but we were happy to get a closer look in Detroit this week.
Photo by: Josh Miller/CNET

Low displacement

Who know's what you'll actually find under the concept's hood, but Nissan states that the IDx can be powered by a four-cylinder engine displacing between 1.2 and 1.5 liters.
Photo by: Josh Miller/CNET

Continuously variable

That engine would be mated to a continuously variable transmission (CVT) to balance fuel economy and power. Normally, we'd run screaming at the first mention of CVT, but Nissan has proven that it can do variable ratios well enough.
Photo by: Josh Miller/CNET

Rear-wheel drive

Like the 510s of old, the IDx is a front-engine, rear-wheel-drive configuration. You may be thinking that this setup is just begging for a sporty variant and you're right.
Photo by: Josh Miller/CNET

LED headlamps

The squared-off front end features a quartet of LED headlamp projectors.
Photo by: Josh Miller/CNET

Contrasting colors

The beige coupe features contrasting roof, hood, and deck lid panels, all finished in glossy white. Black greenhouse pillars create the illusion that the roof is floating above the vehicle.
Photo by: Josh Miller/CNET

IDx Nismo concept

Elsewhere in Nissan's booth is the IDx Nismo, the car that we actually want the automaker to build.
Photo by: Josh Miller/CNET

Carbon fiber

Finished largely in carbon fiber with contrasting white panels, the IDx Nismo also features unique head and tail lamps when compared to its conceptual sibling.
Photo by: Josh Miller/CNET

6-speed manual

The rear-driven IDx Nismo would also feature a "sporty CVT," but would also be available with a six-speed manual transmission with the automaker's SynchroRev Match technology.
Photo by: Josh Miller/CNET

Homage

The red roof, the white body, the competition graphics scheme: the IDx Nismo pays perfect homage to the racing BRE Datsun 510s from the '70s.
Photo by: Josh Miller/CNET

1.6-liter turbo

Behind the squinty headlamps (>_Juke Nismo, which would put its output at 197 horsepower and within striking range of the Subaru BRZ.
Photo by: Josh Miller/CNET

Nissan IDx Nismo concept

Nismo enthusiasts have been chomping at the bit for the automaker to revive the Silvia/240SX coupe to do battle with the Toyobaru twins. However, after seeing the IDx Nismo concept, I'm thinking those enthusiasts should be looking, instead, for a 510 reboot. Where do I sign for my preorder?
Photo by: Josh Miller/CNET
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