Next-gen airbags, several new body colors and a new traction control in the GTP model marked the only changes in 1998 for the Grand Prix. In 1999 ... The GTP trim was renamed to the GT this year, too.
However, the regular Grand Prix had a squared-off notchback design with a nearly vertical rear window, which was hardly a recipe for a low drag coefficient. To solve this problem, Pontiac replaced ...
Pontiac's Grand Am started life as an interesting attempt to combine the Trans Am's performance and Grand Prix's luxury — ...