2005 Pontiac G6 Sedan Review | Edmunds.com

2005 Pontiac G6 Sedan

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Certified Pre-Owned (CPO) is a category of used car. Often late-model vehicles, they have been inspected, refurbished, if necessary, and are under warranty by the manufacturer.
Pontiac G6 Features and Specs

Features & Specs

  • Engine 3.5 L V 6-cylinder
  • Drivetrain Front Wheel Drive
  • Transmission 4-speed Automatic
  • Horse Power 200 hp @ 5600 rpm
  • Fuel Economy 20/29 mpg
  • Bluetooth No
  • Navigation No
  • Heated Seats No

Review of the 2005 Pontiac G6

  • With the G6's stylish duds, roomy interior and distinctive features, Pontiac finally has a serious contender in the midsize sedan segment.

  • Safety
  • Pros

    Crisp handling, lots of rear-seat room, plenty of standard features, innovative panoramic sunroof.

  • Cons

    A few low-buck interior bits, panoramic sunroof takes away rear-seat headroom, down on power compared to class leaders.

  • What's New for 2005

    The G6 is an all-new midsize sedan replacement for the ancient Grand Am.

Gas Mileage


  • 20
  • cty
  • 29
  • highway
Calculate Yearly Fuel Costs
What Others Are Saying

Customer Reviews

1 of 1 people found this review helpful

Had this for 3 years

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Vehicle: 2005 Pontiac G6 4dr Sedan (3.5L 6cyl 4A)

My G6 2005 has 120,000 miles on it. Up til now I have only had to replace the tire, brakes, and battery. All of these things are due to be changed at its age. Tomorrow I am replacing a tie rod and a Control arm, both considered to be a wearable item. Given its mileage I think that there replacement is a no issue. I have no complaints other than the featureless radio and built in Info center. At 120, 000 miles my car still drives, looks, feels like new. I have a future plan to change out the stereo and say good by to the info display. I have in the past changed the transmission fluid, and I will do a spark plug and belt change all thing due at 100,000.

Very shaky

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Vehicle: 2005 Pontiac G6 4dr Sedan (3.5L 6cyl 4A)

I bought my car used and had a 60 day warranty with it. When I first bought it the power steering was a little rough so they fixed that. Then I had to take it in 3 times after that because it would shake real bad on the highway. On the third time they told me my tires were wearing unevenly. I bought new ones. I've had to replace them and later had to replace them again. Now I'm on my second year and it still is shaking real bad. It is to the point I am scared of driving it. It makes a loud clunking noise in the front when I'm going around 55. I can't wait until I can afford to get rid of it. I used to love Pontiac but I'm kinda glad they don't make them anymore. I'm disappointed.

Great car...at first.

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Vehicle: 2005 Pontiac G6 4dr Sedan (3.5L 6cyl 4A)

We bought the car with only 20k miles on it and when we bought it we did not like the idea of buying another Pontiac because of our previous 1996 Pontiac Grand Am. Basically the Grand Am was just renamed and remodeled into a G6 and still had the same reliablity issues.. So far, we have had the usual Pontiac tranmission replacment, steering column replaced and still having popping issues, cd player broken, keyless entry stopped working (even after replacing battery inside the remote), power steering failing while driving, constant brake issue and rotor warping. This car is fun to drive its not all bad, but Pontiac just covered their issues with a new body style. no improvement.


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Vehicle: 2005 Pontiac G6 4dr Sedan (3.5L 6cyl 4A)

i think the car is great you just need to take car of it and not beat it up! i have hed it for 46,000 miles and it runs like brand new and still looks great.. and knock on wood has never been in the shop for anything but rutien oil changes

2005 pontiac g6 4 dr

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Vehicle: 2005 Pontiac G6 4dr Sedan (3.5L 6cyl 4A)

I purchased this car in 2005 new. Now it has 107,230 miles. It has been a great car. Mine has the 4 panel sunroof, which I love. The 6 CD in- dash 300 Watt stereo is really nice. Mine is metallic silver, which shines like a new dime in the sunlight. The performance is great! 200 HP with plenty of torque. The gas mileage is 36-38 at 60 MPH. To and from work in traffic I receive 24-26 MPG. The car is the perfect size and has plenty of room for everything. I need to get the 100,000 mile tune-up, but it runs fine. I have only had to replace the tires and oil. I am sick that Pontiac is going to quit making this car.

Should have bought a carfax

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Vehicle: 2005 Pontiac G6 4dr Sedan (3.5L 6cyl 4A)

I bought my Pontiac G6 almost 2 years ago & absolutely loved it. My husband is 6'9" & could fit in it nicely, loved the sporty feel of it but you can't drive fast with the windows down because of the loud humming noise. About 6 months after, we began our many trips to the dealership for new struts, squeaky driver seat and now lower control arm and ball joint on both sides & swaybar. I'm very thankful I bought an extended warranty. I have always owned GM vehicles but with the problems I've had with this car and the trouble I've had with more than one GM dealership, I will NEVER buy GM again and my grandfather and mother-in-law both retired from GM. This car was my worst purchase in my life!


Full 2005 Pontiac G6 Review

What's New for 2005

The G6 is an all-new midsize sedan replacement for the ancient Grand Am.


Originally introduced in coupe form in 1973, the Grand Am has carried out Pontiac's midsize sedan duties since the mid-1980s. The most recent Grand Am has roots dating back to 1985, when Pontiac introduced its front-drive "European-inspired" version. Time has not been kind to the Grand Am, as subsequent redesigns in the 1990s did little to bring the car up to class standards. Pontiac knew it needed a competitive replacement, and none too soon. The short answer was to simply make a great Pontiac sedan based on GM's latest-and-greatest midsize platform, the Epsilon architecture. It's taken awhile, but it looks like GM has finally gotten this platform-sharing thing down. We've never been opposed to the idea per se, but in too many instances in the past, cars that shared platforms were just too similar for our tastes. The G6 is the third production car to utilize General Motors' Epsilon platform but it wouldn't be overstating it to say most new car buyers will never see the family resemblance. If it seems like the G6 looks a little bigger than its stablemate, the Chevrolet Malibu, that's because the Pontiac uses the lengthened version of the Epsilon platform like the Malibu Maxx. This long-wheelbase platform provides two main benefits -- more rear-seat room and better handling. The extra length makes for truly big-car backseat space, and passengers will enjoy plenty of legroom. The long wheelbase also helps the G6 deliver a smooth and stable ride. As with most Pontiacs, the G6 is heavy on style -- only this time around the styling is bold without being tacky. The car stands out but does not look garish and, thankfully, the plastic cladding of Pontiacs past has been ditched in favor of clean, simple lines. The G6 offers just enough muscle to back up the sporty looks. The G6 is powered by GM's tried-and-true 3.5-liter V6, good for 200 horsepower. Pontiac is trying to keep (or rebuild) its performance car customer base by offering a shift-it-yourself automatic that will hit redline without upshifting -- in other words, true manual control. A unique option on the G6 is a panoramic sunroof that opens in four sections and remains exposed when it's open. The effect is that it looks like a roof spoiler. Combined with the small antenna that resides at the front edge of the roof, the G6 tends to look a little European. Unfortunately, this sunroof takes up a bit too much rear-seat headroom. Overall, the G6 features a winning combination of bold styling, a cavernous interior and unique features, all at a competitive price.

Body Styles, Trim Levels, and Options

The four-door G6 comes in two trim levels, base and GT. Generous standard equipment on the base model includes air conditioning; cruise control; power windows, locks and mirrors; keyless entry; a 60/40 split-folding rear seat; a CD player; and a tilt/telescoping steering wheel. The GT adds power-adjustable pedals, an eight-speaker Monsoon sound system, a rear spoiler, alloy wheels and a sport suspension. Notable options include a remote start system, XM Satellite Radio and chrome alloy wheels. Two power sunroof options are available -- a traditional power glass panel, as well as an innovative panoramic roof with four glass panels that fold accordion-style and an electric sunshade.

Powertrains and Performance

Standard power comes from a 3.5-liter V6 rated at 200 horsepower and 220 pound-feet of torque. A four-speed automatic transmission is also standard. GT models include a shift-it-yourself feature that offers full manual control of gear changes.


The G6 features standard four-wheel disc brakes. Antilock brakes and traction control are standard on the GT, and optional on the base car. Side curtain airbags are optional across the board, but a stability control system is not available. The G6 has not yet been crash tested.

Interior Design and Special Features

The interior of the G6 features stylish seating with generous side bolsters to hold you in place during aggressive cornering. The gauges showcase Pontiac's signature font, and are set in an attractive cluster with chrome rings. Plenty of chrome and metal-look accents brighten up the interior. Overall materials quality is notably good, but a few cheap bits here and there keep the G6 a step below the class standards.

Driving Impressions

The 3.5-liter V6 offers plenty of torque down low for easy passing and merging, but can get a bit thrashy at high revs. The suspension returns a surprisingly sporty ride, and the solid structure helps make the interior a serene place to spend time.


Talk About The 2005 G6

2005 Pontiac G6 Discussions See all Started By

Hi I lease a Pontiac G6 2005 with 5200 miles on was brand new when I leased it back in Sept 05, jan 06 the ABS module got way to hot melted and caught on fire, apprently for no reason at all, I though...

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