It is generally believed that roughly 6,300 Pontiac Bonneville GXPs were made during the model’s two-year run, with approximately 3,900 to 4,160 being built for the 2005 model year.
Unfortunately, we can’t give you an exact answer as Pontiac
—or rather their parent company, General Motors—stopped keeping track of the Bonneville’s production numbers shortly before the 2005 GXP model was released.
Equipped with a 4.6L Northstar V8 engine capable of generating 275 horsepower @ 5,600 rpm and 300 lb-ft of torque, the 2005 Pontiac Bonneville GXP was able to go from zero-to-60 in an impressive 6.6 seconds. In terms of style and handling, the Bonneville GXP received overwhelmingly positive customer reviews.
Despite these high ratings, 2005 was the Pontiac Bonneville GXPs last year on the market before being discontinued—a fate ultimately attributed to declining sales and, as GM put it, changes in their customers’ tastes.