Lexus, after months of teasing eager fans, has at last ripped the covers off its all-new GS executive sedan at the Pebble Beach Concours d’Elegance before it heads to South Africa and the Johannesburg International Motor Show. Lexus’ all-new car has been completely redesigned and show the new grille treatment that will be rolled out across the range as new products are introduced. In designing this GS, Lexus engineers are said to have looked to the LFA for inspiration in developing a new aerodynamic body, an all-new platform, a transmission allowing quicker shifts and a sportier engine sound. MORE ATHLETICFor now, the new GS features a redesigned chassis that is more rigid and has a wider stance than the model it replaces. A new suspension system uses aluminium for the front, upper and lower control arms and larger bushes while the rear sub-frame has been completely redesigned to take a multi-link rear suspension. Electronically controlled all-wheel drive for better traction is an option. With its wider track and new, lighter and stronger suspension, the GS, Lexus says, responds to driver input more readily. However, four-pot aluminium front callipers on the ventilated discs ensure stopping power. ATHLETIC APPEARANCE: The GS's wider track and aerodynamic design features give it the sporting edge over its predecessor. 3.5-LITRE V6The GS 350 is powered by a 228kW, 3.5-litre V6 with dual VVT-i (variable valve timing with intelligence) mated to a six-speed sequential automatic transmission. The gearbox uses four driving modes and borrows many features from the LFA, including faster shifts and throttle blips on downshift.And while the physical exterior dimensions are largely unchanged, the GS’s new design incorporates fins into the side of the tail lights and into the boot area to help direct air around the car. Similarly,, the rear bumper was designed to reduce wind resistance and improve downforce. Cosmetically, the GS’s look has evolved to include new headlight clusters with L-shaped diode daytime lights; at the rear, the exhaust diffuser and diode lights give the GS the appearance of a sport sedan. The exterior dimensions are largely unchanged but the GS has a more spacious cabin and boot. COMFORTABLE CABINThe driver gets a redesigned seat and steering column, the rear passengers more head and legroom. The aircon is smart enough to know where people are sitting and to direct airflow to them.The latest generation of Lexus’ "remote touch interface" with a 31cm split high-resolution screen controls the aircon, audio system, phone and satnav and can be hooked to a 17-speaker Mark Levinson audio system if so desired.As for safety features, the GS holds 10 air bags, including a knee airbag for the front passenger, and side and curtain airbags all round. South African fans can get an early taste of the GS when it makes its local debut at the Johannesburg International Motors Show in October, 2011, before its 2012 launch. Engine and specification details applicable to the local market are also likely to be revealed at the show. For a full list of 2011 JIMS reports, click here.