The Boeing 737-800 is a stretched version of the 737-700. It replaced the 737-400. The Boeing 737-800 competes primarily with the Airbus A320. The 737-800 seats 162 passengers in a two-class layout or 189 passengers in a one-class layout. The 737−800 was launched on September 5, 1994.[4] Launch customer Hapag-Lloyd Flug (now TUI fly Deutschland) received the first one in April 1998.
Here is an 3D model of this aircraft which has only like 23k tris it aslo includes the cockpit