Used 2005 Pontiac Bonneville Sedan

2005 Pontiac Bonneville
List price range
2005 Pontiac Bonneville


  • Loads of gee-whiz features, solid handling, powerful V8 in GXP, excellent crash test scores, large trunk.


  • Average interior materials, overly complicated controls, poor resale value.

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Edmunds' Expert Review

If traditional Pontiac styling twists your crank, and you want a large sedan packed with performance and features, the Bonneville is your kind of ride. However, the rear-drive Chrysler 300 offers a better package overall.

2005 Highlights

The OnStar communications system is now standard on all Bonnevilles.

Consumer reviews

Read what other owners think about the 2005 Pontiac Bonneville.

Overall Consumer Rating

Most helpful consumer reviews

Love this car
D J McCue,10/12/2010
Bought this GXP in Feb 2005; actually bought it for my wife; not only does she love it , but I like to drive it; I grew up in the muscle car era and this reminds me of it. Love the Northstar V8. The car has been very reliable with decent mileage considering the power available City 14.5/Highway about 23. Love the HUD, memory driver features(seats & mirror, plus radio. Ours is Black with Grey interior; it's a real head turner. The car is garage kept and has very low mileage (driven to/from grocery store by a little old lady; we are in our late 60s). Her previous car was a 1996 T-Top Camaro RS, with 3.8L V-6, also low mileage, 10 years, 34,000. We plan on keeping the GXP a Long time!
Love-Hate Relationship
To start, I love Bonnevilles. I owned a '98 Bonnie all through high school and college and it served me well. Bought this GXP once I graduated, and its definitely a love-hate relationship. As far as style, this car has it. Interior, exterior, handling, performance - all fantastic. However, the biggest issue I have with this car is the reliability. I bought it with 64k on it and in 2.5 years I'm at 83k and have put over $8,000 worth or repairs into it (I have a warranty). There is no way that it should need this many repairs when its just a daily driver with less than 10k a year.
Amazing underrated car
So far owned for 3,000 miles. I got this beautiful car for a bargain price with 90k miles. It drives like it has 30k miles. I've gotten between 23 and 27 mpg per tank so far. Nothing has broken except for a burned out head- light bulb. Very smooth torquey engine with silky smooth shifting transmission. Lots of style. More style than all the imports for sure. I love the look from the back and side especially. Only cool Chryslers and Dodge's have more style but they are troublesome. This car feels heavy and well-built and safe. Nice looking interior with a large trunk and back seat. This car is big and a bit tricky to maneuver in parking lots and city but its a dream on the freeway.
love it - style, performance, economy
This car is great. I bought with 90K. It now has 102K. I love the style. Very stylish car. Its big!! Its comfy. It has a very quiet cabin. The gm 3.8 is an amazing engine. Actually got 30 mpg when doing a highway trip of 480 miles. with 16 gallons of gas. It has a big gas tank at 18 gallons. Don't need to fill up much. Normal MPG is about 25 with highway/city mix and not winter out. One problem it died on me on the freeway. Kinda scary. It was the Mass airflow sensor. It happened out of nowhere. No engine lights. I would replace this at 100k miles or sooner. That's when it died on me. Besides for that no problems. You can probably have autozone replace for you.
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Features & Specs

18 city / 27 hwy
Seats 5
4-speed automatic
205 hp @ 5200 rpm
18 city / 27 hwy
Seats 5
4-speed automatic
205 hp @ 5200 rpm
15 city / 22 hwy
Seats 5
4-speed automatic
275 hp @ 5600 rpm
See all Used 2005 Pontiac Bonneville Sedan features & specs


NHTSA Overall Rating

The National Highway Transportation Safety Administration offers independent analysis.
  • Frontal Barrier Crash Rating
    OverallNot Rated
    Driver4 / 5
    Passenger5 / 5
  • Side Crash Rating
    OverallNot Rated
  • Side Barrier Rating
    OverallNot Rated
    Driver4 / 5
    Passenger4 / 5
  • Combined Side Barrier & Pole Ratings
    Front SeatNot Rated
    Back SeatNot Rated
  • Rollover
    Rollover5 / 5
    Dynamic Test ResultNo Tip
    Risk Of RolloverNot Rated
IIHS Rating
The Insurance Institute of Highway Safety uses extensive crash tests to determine car safety.
  • Side Impact Test
    Not Tested
  • Roof Strength Test
    Not Tested
  • Rear Crash Protection / Head Restraint
  • IIHS Small Overlap Front Test
    Not Tested
  • Moderate Overlap Front Test

More about the 2005 Pontiac Bonneville
Used 2005 Pontiac Bonneville Sedan Overview

What's a good price on a Used 2005 Pontiac Bonneville Sedan?

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Used 2005 Pontiac Bonneville Sedan Listings and Inventory

Simply research the type of used car you're interested in and then select a prew-owned vehicle from our massive database to find cheap used cars for sale near you. Once you have identified a used or CPO vehicle you're interested in, check the Carfax and Autocheck vehicle history reports, read dealer reviews, and find out what other owners paid for the Used 2005 Pontiac Bonneville Sedan.

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Can't find a used 2005 Pontiac Bonneville Bonneville Sedan you want in your area? Consider a broader search.

Find a used Pontiac Bonneville for sale - 2 great deals out of 10 listings starting at $10,475.

Find a used Pontiac for sale - 4 great deals out of 6 listings starting at $12,374.

Find a used certified pre-owned Pontiac Bonneville for sale - 2 great deals out of 7 listings starting at $11,437.

Find a used certified pre-owned Pontiac for sale - 2 great deals out of 8 listings starting at $20,533.

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Should I lease or buy a 2005 Pontiac Bonneville?

Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.

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Check out Pontiac Bonneville lease specials