Lexus updates its luxury RX SUV with a makeover in 2012 adding updates, interior improvements and an F-Sport hybrid model. The exterior includes a more elegant and aggressive frontal design with the Lexus-trademark "spindle" grille.Following in the footsteps of the new GS, the South African model range has been revised to include an F-Sport hybrid.The line-up of three new RX models include: RX 350, RX 450h and F-Sport.F-SPORT HYBRIDThe RX 350 is powered by a 3.5-litre petrol V6 capable of 204 kW/346 Nm. The hybrid RX 450h mates a 183 kW/317 Nm 3.5-litre V6 petrol engine with a 116 kW electric motor and sealed nickel metal hydride (Ni-MH) battery pack. The RX 450h F-Sport has an identical powertrain to the standard 450h but adds style changes and performance enhancements.The new grille is flanked by revised headlights which include daytime running lights, a new bumper and fog light design, and tweak tail-lights.The hybrid F-Sport has similar specifications to the RX 450h but adds a sporty body kit, unique steering wheel design, shift lever, alloy pedals and decals.The RX 350 runs on 18-inch rims with 235/60 tyres, while the two hybrid models have 235/55 tyres on 19" alloys.The RX 450h F-Sport benefits from a lateral performance damper system designed to absorb and minimise undesirable body vibrations, offering a more linear steering feel and contributing to improved ride comfort.INTERIOR REFINEMENTSInside, changes include revisions to the steering wheel, door trim, the instrument panel and the console, where a second generation Remote Touch Interface (RTI).In the RX 450h models, the driver has a choice between various driving modes Normal, EV, ECO and SPORT. EV and ECO drive modes ensures the most economical driving while Sport mode boosts driving dynamics.Driving modes can be selected through the steering wheel, whilst the electric mode can be activated through a separate EV switch.PRICESLexus RX 350 EX - R644 000Lexus RX 450h SE - R768 000Lexus RX 450h F-Sport - R755 000The RX 350 and RX 450h models comes standard with a four year or 100 000km warranty and a four year or 100 000km maintenance plan.