The 2005 and 2006 models packed a 6.0L LS2 V8 engine with tons of grunt. In the horsepower department, the Pontiac GTO 6.0 engine doesn't disappoint: it clocks in at 400 horsepower, with 400 lb-ft ...

Prices shown for the used 2006 Pontiac GTO Coupe 2D with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.

160.0-hp, 2.3-liter, 4 Cylinder Engine (Gasoline Fuel) Wondering which trim is right for you? Our 2006 Mazda Mazda6 trim comparison will help you decide.

I bought mine new in January 2006 after I totaled my 1999 BMW Dinan M3. The GTO is simply an amazing performer ... 63% came with the Tremec 6 sp the other 37% were automatics.