Grand Prix

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2005 Pontiac Grand Prix Overview

As proof that the Grand Prix is trying to beef up Pontiac's roots as a performance car brand, it adds a newer and nastier trim to its lineup in midyear 2005. The 2005 Grand Prix, a four-door large mid-sized sedan, now comes in base, GT, GTP, and the ultra-sporty GXP. The GXP is powered by a new 5.3-liter, 303-hp V8 engine, compared to the 3.8 V6 in the other trims, which get 200-hp in the base and GT and 230-hp in the supercharged GTP. All are paired with the 4-speed auto tran.
The 2005 Grand Prix GXP comes standard with a stiffer suspension, Stabilitrak stability control, and TAPshift, which you can still get on the GTP as part of the racier Comp-G packaage. Leather seats and 18-inch wheels combine with the cockpit-like dash and low-slung seats to fulfill the everyday commuter's dream of driving a race car. All 2005 Grand Prix models feature fold-down rear and front passenger seats, cruise control, driver information center, fog lights and power windows and locks. As you go up the ladder, you add power seats, heads-up display, and leather seats. ABS and side impact airbags are standard on all but the base model. New in 2005, Onstar is standard on all models. Dual-zone climate control, a DVD navigation system, and remote start are new options this year.
The new GXP approaches the sporty performance of the GTO, turning the 2005 Grand Prix away from just being a family car. Drivers love its speed and power, though comment that the ride can feel rough. Overall, Grand Prix owners agree that handling is smooth, acceleration instant and responsive, and gas mileage is good for a mid-size. They love the large trunk and the heads-up display. On the downside, is the cheap-looking interior and cluttered layout, the lack of headroom, a cramped backseat (particularly in the GXP), no lumbar support in the front seats, and the need for a manual transmission.


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Grand Prix

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Pontiac Grand Prix Questions


My lights and theft deterrent system light comes on, sometimes it will start sometimes it won't, other times it won't turn off. I changed the battery, it ran fine for a day, now it's back to doing...

2005 Pontiac Grand Prix

it won't start. I have headlight interior lights etc but it won't turn over. I took the battery out had O'Reillys check and charge it. They said it was good so i put the battery back in and it STILL...

Problem With Pontiac Grand Prix Revving But Not Moving Properly..

I have a 2005 Pontiac Grand Prix. Bought it used and had no problems up until a few nights ago. I was backing out of my driveway, put it in park to shut the gate, then put the car in reverse and it...


Belt For Supercharger Too Long Are There Different Sizes?

i lost the belt for the supercharger on 2005 gtp. replaced tensioner and pulley Now the new belt is too long.

Hard Start And Stall

My Grand Prix sometimes has a hard time starting. Will stall every now and then in the middle of driving. Faint smell of gas from inside the car. With low throttle, car seems like it wants to stal...