The Hyundai Concept RB is a new sub compact family sedan revealed by the Korean car maker at this year’s Moscow International Motor Show.
The Hyundai Concept RB adopts the company’s ‘fluidic’ design philosophy and some of the elements that will me carried on the production version include the hexagonal front grille, headlamps and the L shaped fog lights.
On the Russian market he production version of the Hyundai Concept RB will be offered with either the company’s 1.6L or 1.4L DOCH engines that deliver 124 PS and 156 Nm of torque and 107 PS and 135 Nm respectively.
Production for the Hyundai RB will take place at the automaker’s plant in Saint Petersburg while sales will begin at the begining of 2011.   
Hyundai press release :
Hyundai Motor Company introduced a new sub-compact family sedan concept RB at the 2010 Moscow International Motor Show (MIMS).  The RB projects a coupe-like dynamic styling that is sculpted, stately and performance-oriented.  
With elegant lines that resemble a calligrapher’s “orchid strokes,” the concept RB continues Hyundai Motor’s ‘fluidic sculpture’ design philosophy that injects sophistication and dynamic angles into the shape of a vehicle.  Like any timeless work of art, the fluidic essence that characterizes molding design of Hyundai’s latest models is inspired by nature, realizing the harmonic coexistence of all things created.  
The strong design hints of the production version are highlighted in concept RB’s large hexagonal front grill, headlamps and “L”-shaped fog lamps that give luxurious and exquisite looks.
When the production sub-compact sedan arrives in Russia, it will be powered by the modern Gamma engine, 1.6L or 1.4L DOHC in-line four cylinder gasoline engine that features multiport fuel injection with CVVT (Continuously Variable Valve Timing).  By replacing the old Alpha engine with Gamma, the sedan promises more power and torque, as well as best-in-class fuel economy, in keeping with Hyundais pledge to be the industrys eco-leader.  The estimated power and torque of 1.6 Gamma are respectively 124ps and 156 N.m while those of 1.4 Gamma are 107ps and 135 N.m.  The powerful and fuel-efficient Gamma engine will be mated to a four-speed automatic transmission or a standard five-speed manual transaxle.
Production version of this concept car is scheduled to begin at Hyundai’s first full-cycle plant in Saint Petersburg, Russia, Hyundai Motor Manufacturing Russia(HMMR) in January 2011, and will join the Hyundai lineup in the spring of 2011.
 

Source: Hyundai