Pontiac Grand Prix Specs

Every Pontiac Grand Prix generation, measured

One row per generation. Watch the weight column — that is where most of the change happens for the Pontiac Grand Prix, -776 lb of it since 1975, and it is the number that decides fuel use, tyre wear and how far the car takes to stop.

Grand Prix year by year

Measured every model year, not just at generation changes — 35 years on record for the Pontiac Grand Prix. Small moves inside a generation are facelifts; the jumps are the 4 new platforms below.

Will a Grand Prix fit

The practical question behind every dimensions search, and for a 16.4-foot Pontiac Grand Prix it has a straight answer. A single-car garage in the US is typically 20 feet deep and a street parking space about 18, so the Grand Prix clears the garage by 2.6 ft. We allow a foot of clearance in both — nobody parks to the millimetre.

Against cars of the same length

Compared with 818 vehicles within ten inches of the same length — a fair proxy for «cars of this size», regardless of what the marketing calls them.

A longer wheelbase for the same overall length means shorter overhangs — usually more cabin space and a steadier ride. At 3,391 lb the Pontiac Grand Prix is 705 lb lighter than typical for its size, which generally shows up as fuel economy and stopping distance.

How we measure

Dimensions come from NHTSA vPIC and Transport Canada vehicle records — manufacturer-declared figures, held in metric and converted to inches and pounds for display, 35 measured model years for the Pontiac Grand Prix between 1975 and 2009.

One row per generation, not per model year: manufacturers rarely change the body between facelifts, and the Pontiac Grand Prix fits into 4 rows instead of 35. Where a generation offered several body styles, the figures are the base measurements for that generation of the Pontiac Grand Prix.