The third generation Lexus GS was first introduced as a 2006
model at the 2005 North American International Auto Show. The
initial model lineup included the GS 300, with a 3.0 L V6 3GR-FSE
engine, and the GS 430, with the same 4.3 L V8 used in the previous
The 2006 Lexus GS was the first to display the marque's L-finesse
design philosophy. This design style is characterized by swooping
lines, a fastback profile, and more muscular styling.
The GS was also were the first model to feature the latest generation
of Lexus' SmartAccess keyless system-adding a push-button
start for the first time. Other unique features include a driver-side
hidden panel for infrequently used controls, a standard touchscreen
display in the center console, LED lighting in the cabin, and
Bluetooth technology. A Mark Levinson premium sound system is
optional. Unique to the Lexus GS series, each vehicle features
an electrochromic instrument cluster which adjusts for the amount
of reflected sunlight.
For the 2008 model year Lexus replaced the GS 430 with the GS
460 model. Equipped with a new 4.6 L V8 engine generating 342
hp, the GS 460 also features an 8-speed automatic transmission.