In more than four decades, the Grand Prix showcased all sorts of engines. But one stands out for its horsepower ... though it ...

During that stretch, the Grand Prix kept true to its racing-inspired name with a series of high-powered engines, many of which churned out impressive horsepower numbers. Here are a handful of the ...

Perhaps not surprisingly, the downsizing of the Grand Prix did not stop with the build's body size, with Pontiac also making an under-the-hood change by nixing the V8 engine as a standard option.

This 1963 Pontiac Grand Prix is one of those ... new personal luxury car market. Powered by V8 engines rated at over 300 horsepower, the Grand Prix was also a performance-oriented rig.

The Pontiac Grand Prix went through several major platform changes during its 46 model years of existence, which lasted nearly to the very last gasp of the Pontiac brand. In 1978, the Grand Prix ...

A first-year Pontiac Grand Prix ... which came with a 421 Super Duty engine and two four-barrel carburetors for a power rating of 405 horsepower. The Grand Prix listed on eBay by seller ...

Pontiac's 455 four-barrel engine was installed in 2,665 Grand Prix Model Js at a cost of $58. And manual transmission-equipped Grand Prixs totaled just 500 units. 1971The Grand Prix received some ...

The Turbo 350 was the only transmission available with the Olds engines. A new extra-cost option on several Pontiac models for 1977-including the Grand Prix-was the 15-inch cast-aluminum Snowflake ...

Pontiac's 2008 Grand Prix combines a very roomy interior and smooth ride with two different engines and reasonably agile handling. And, with either engine, it returns surprisingly good fuel economy.

Pontiac's Grand Prix combines a very roomy interior and smooth ride with powerful engines and reasonably agile handling. And, with any of the engines, it returns surprisingly good fuel economy. It's ...