Lexus gives its GS sedan a makeover for the 2013 model year, upping its performance characteristics. In hybrid form, the car also delivers astoundingly good fuel economy for this class of car.
The Lexus GS is the brand's second-biggest sedan, fitting in below the LS. Going up against the BMW 5-series and Mercedes-Benz E-class, Lexus gave the GS better handling for the 2013 model year. The car comes in two forms, the GS 350 and GS 450h, the latter being a hybrid drive version.
The GS 450h's engine is exceptional. It starts out with an Atkinson cycle 3.5-liter V-6 using a combination of direct and port injection. Lexus adds its excellent hybrid drive system to make a total system output of 338 horsepower. Fuel economy comes in at an average of over 30 mpg.
The navigation option brings in a 12.3-inch LCD. Mounted in the center dash, it shows all the infotainment functions, from navigation to app integration.
The shifter is really a drive selector, as the transmission is continuously variable, based on a planetary gearset. There are shift points, but they are programmed in. A dial below the drive selector puts the car in Eco, Sport, and Sport Plus modes.
This controller is a small joystick that moves a pointer around the 12.3-inch screen. It could use a little more weight to contribute to the car's luxury feel.
The navigation screens, which only show maps in 2D, occupy the left two-thirds of the LCD, with the remaining one-third left as an auxiliary for audio, trip information, or climate.
Lexus includes an excellent array of data feeds into the car. Most of these are delivered through satellite radio, but the Apps folder in the upper right opens up Lexus' Enform system, which includes Yelp, OpenTable, Facebook, Bing search, and others.
There are a number of driver assistance features available for the GS 450h, but the most useful is the blind-spot detection system. It lights up an icon in the side mirror when a car is in the next lane over.