Both pre-facelift and facelift Lexus GX 470 ranges consist of modifications using all-wheel-drive systems only.
Lexus GX 460 (second generation) and Toyota 4Runner N210 (fourth generation) uses the same 1GR-FE engine. Apart from the motor, the visual similarities are so obvious, that it is quite easy to mistaken the Lexus GX with Toyota 4Runner.
Lexus GX 460 and Lexus GX 470 are the names of two generations of the GX model. First GX generation carries the name Lexus GX 470. It hit the market in 2002 and received a facelift in 2007. It was replaced by a second generation - Lexus GX 460. It was facelifted, as well, in 2013 and later in 2019, the latter range still being in production (as of 2021).