The last year this car was made and only the 2nd year with a 6.0 (LS2). It is rarely driven and has been kept in a garage its entire life; absolutely mint condition. 6 speed. It has the following mods:
-Magnuson Magna-Charger supercharger
-Lingenfelter Cold Air Intake
-Banshee ram air hood
-Pedders Street II racing suspension system
-Custom 18 rims
-265 rear, 235 front tires - Bridgestone Potenza
-Sport Package: Even more rare, this GTO has a seldom seen Pontiac sport package (rear vented bumper ground effects and exhaust pipes, lower front ground effects, vented lower rocker panels, larger spoiler).
Price = KBB + Mods
I have CARFAX Report

Used Year: 2006
VIN (Vehicle Identification Number): 6G2VX12U46L541378 Mileage: 24,000
Number of Cylinders: 8 Make: Pontiac
Transmission: Manual Model: GTO
Vehicle Title: Clear Trim: SUPERCHARGED
Options: CD Player, Leather Seats Engine: 6.0 LS2
Safety Features: Anti-Lock Brakes, Driver Airbag, Passenger Airbag Drive Type: RWD
Power Options: Air Conditioning, Cruise Control, Power Locks, Power Windows, Power Seats Fuel Type: Gasoline
Exterior Color: Silver For Sale By: Private Seller
Interior Color: BLACK