The third-generation Kia Rio (global code UB; CIS/China code QB) debuted at the Geneva Motor Show in March 2011. Built on the PB platform, its wheelbase stretched to 2,570 mm. Global markets received 3-door and 5-door hatchbacks alongside a sedan, whereas the CIS-spec QB version featured a raised ground clearance (160 mm), a redesigned front fascia, and a 130 mm longer body for local road conditions. This generation of the Rio (UB) was produced from 2011 to 2017 and offered in седан, хэтчбек body styles. Built on an engineered platform, it features strong structural rigidity, refined aerodynamics, and advanced occupant safety engineering.

Engine options featured 1.2L (85 hp), 1.4L (107 hp), and 1.6L (123 hp) Gamma/Kappa petrol units, alongside 1.1L and 1.4L CRDi diesels. Gearboxes included 5/6-speed manuals and 4/6-speed automatics. A 2015 update refreshed the bumper designs, grille inserts, headlamp graphics, and dashboard trim. The powertrain lineup features modern engines optimized for thermal efficiency, balancing responsive acceleration with economical fuel consumption. Power is delivered through reliable manual or automatic transmissions. Mid-cycle updates introduced modernized LED lighting graphics, premium cabin materials, and enhanced active driver assistance suites.