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Average User Score
4.9 ⁄ 5 stars
Based on 11 reviews
2005 Pontiac Bonneville Overview
Overall User Score
Based on 11 reviews
After 47 years on the market, the Pontiac Bonneville hears the fat lady sing in 2005. Starting life as Pontiac's sporty full-size coupe and convertible in the 1950s and evolving into the boat-size sedan and station wagon of the 1970s, it had reconnected in its last years with its full-size performance sedan roots. But lack of marketing and poor consumer buying response has prompted Pontiac to pull the Bonny and replace it with the Grand Prix GXP in 2006.
As such, few changes were made to the 2005 Pontiac Bonneville. OnStar became standard across the SE, SLE, and GXP trims, and the SLE borrowed some exterior styling from the GXP in terms of its fascias, lights, and body moldings. The SE and SLE models featured a 3.8-liter, 205-hp V6, while the racier GXP housed a 4.6-liter, 275-hp V8. All came standard with 4-speed auto tran, dual front airbags, and ABS brakes. Traction control was standard on SLE and GXP trims, and side airbags were standard on the GXP and optional for the others. Though the GXP was tricked out with top-of-the line features, including an independent sports suspension, the SE was a great value. The V6 performed well, and it came with many standard features.
The 2005 Bonneville was a good compromise for drivers wanting the practicality of space, but the fun of a performance engine and the luxurious comfort of pricier imports. It has always been known for roominess, and though the current batch of Bonnies sacrifice some rear head and legroom for its sportier styling, it still seats four comfortably and offers a spacious trunk.
Drivers love the Bonneville's speed, handling, good cornering, and smooth comfortable ride. They say it makes a great cruising car, comfortable for long trips. They also love the exhaust rumble in the GXP. Acceleration is instant and confident on the highway. Downsides include the cramped backseat, lack of manual transmission option to really enjoy the V8, an overdone and complicated instrument panel, cheap plastic parts that break, and no fold-down seat option. Some mention noticeable brake squeal and the poor depreciation value of the Bonneville.
What's your take on the 2005 Pontiac Bonneville?
Pontiac Bonneville Questions
None Of My Electric Windows Work
Used to work fine, then it began to stall, then roll down and now none of my windows roll down. Any idea what the problem is??
I Have A 2005 Bonneville Se 3.8 Both Radiator Hoses Collapse,i Have Replac...
Can Any 2005 Bonneville Key Work For Any Car Or Does It Have To Be A Certai...
With My 2005 Bonneville Sle
I changed my alternator when it was not in normal operating parameters. Now, if I leave my A/C on for the hotness of Summer. The car will not start. I am really trying to wrap my head around this, b...
Upper Radiator Hose Collapsing
I changed the thermostat, gasket, both radiator hoses and flushed the radiator but the upper hose collapses when the car is cooled down....It fills up when motor is running and does not over heat