Modded & Supercharged Pontiac Gran Prix GTP with a Low Stance

Modded and Supercharged Pontiac Gran Prix GTP with a Low Stance

Pontiacs have a long and rich history that is inextricably linked with General Motors and at some point this brand became the performance division of GM, positioned above Chevrolet. Their original marketing campaign in the early 60s was based on the concept of lifestlye machines, which built excitement and true driving pleasure. Since those times, Pontiacs were recognized for their speed, power, and style earned by the iconic models like GTO, Trans Am, and Firebird.

Pontiacs continued to be popular throughout the 90s and early 2000s with models like the Grand Prix being well-received by consumers thanks to their sporty appearance and performance oriented GTP and GXP models. While the GXP was fitted with a common LS V8, the GTP was equipped with a trully unique 3.8L V6 with Eaton Supercharger capable of 240HP (260HP in Series III engines installed on 2004-2008 models).

2007 Pontiac Gran Prix GTP with custom wheels

Tugboat torque and impressive performance helped it to stand out from the competition. Speaking of which it was a pretty tough crowd to deal with as it included the big names such as Acura TSX, Audi A4 and BMW 3-Series.

2007 Pontiac Gran Prix GTP with performance exhaust and quad exit

Puffed up by the 9.5-psi sirocco from the twin-rotor Eaton supercharger, the big pushrod V-6 slings the Grand Prix to 60 mph in 6.6 seconds, faster by a half-second or more than all the prestige machines mentioned earlier – Car&Driver

Pontiac Gran Prix GTP on Niche Invert rims 20×9 +35mm ET
20×9 Niche Invert rims (+35mm ET) and Nitto NT555g2 tires sized 245/35zr20

This clean red 2007 Gran Prix is owned and modified by Tyler Braaten from British Columbia, Canada. The car’s been upgraded with a few exterior and performance add ons that underlined its performance nature and transformed it from a supercharged sleeper car into a real head turner.

2004-2008 Pontiac Gran Prix GTP chin spoiler

Wheels & Suspension

The fist thing that you notice about the car is the low stance and shiny Niche Invert, 20×9 rims wrapped in skinny Nitto NT555g2 tires. To eliminate the wheel gap and make the car sit closer to the ground Tyler decided to install a set of BC Racing coilovers, polyurethane bushings and ZZP sway bars which not only made it look good, but also stiffened up the suspension and improved handling.

Pontiac Gran Prix GTP wheel fitment 20x9 rims and 245/35zr20 tires

Engine & Performance

The supercharged 3.8L engine wasn’t left untouched and was upgraded with a 2.5” full stack ZZP intercooler, ZZP air intake, exhaust manifolds, 3.2” supercharger pulley, pushing about 13psi peak boost. All in al it helped to gain more power in addition to the stock 260HP and 289ft.lb of torque.

Eaton Gen 5 Supercharger 3800 Series III V6 engine Pontiac GTP

2007 Pontiac GTP on BC Racing Coilovers with low stance

SPECS

  • Suspension
  • BC Racing coilovers
  • Polyurethane suspension bushings
  • ZZP sway bars

Wheels

  • Niche Invert rims 20×9 +35mm ET
  • Nitto nt555g2 tires 245/35zr20

Stanced Pontiac Gran Prix in burgundy color

Engine

  • 3.8L Supercharged V6
  • 2.5” full stack ZZP intercooler
  • ZZP Air intake, exhaust manifolds
  • 3.2” supercharger pulley
  • 13psi peak boost

Modified and loered Pontiac Gran Prix GTP

Pontiac Gran Prix on 20s

Pontiac Gran Prix GTP Sale Prices & Market Analytics

Being one of the last Pontiac models equipped with a stock supercharger before the brand got discontinued, the GTP model remains desirable among the fans and enthusiasts in the us.
If you’re looking for a nice Pontiac Gran Prix GTP for sale in your local classifieds, prepare to spend somewhere from $5,000 to almost $20,000 for a collector-worthy car with low mileage.

Generations

Gen 1: 1997, 1998, 1999, 2000, 2001, 2002, 2003 – 240HP
Gen 2: 2004, 2005, 2006, 2007, 2008 – 260 HP

Conclusion

The Pontiac Gran Prix GTP is a great choice for anyone looking for a sleeper car project. It’s one of the last Pontiac models to be equipped with a supercharger, and it produces pretty impressive performance. The GTP is also fairly rare, so it’s a good option if you’re looking for something that’s both unique and powerful.

Supercharged Pontiac Gran Prix with a performance and exterior modifications

Watch the progress and find out more about this Pontiac Gran Prix GTP project by visiting the Instagram profile of the owner: @pontiac.gtp07!

Stay tuned for more project reviews on MuscleCarDNA.com – Follow us on social media, and share this write-up if you enjoyed reading it!

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