A 2005 Pontiac Bonneville averages $2,995 today, with most selling between $1,400 and $11,900. ForCar prices the Pontiac Bonneville from real US listings across 5 model years ($2,250–$6,950) — trade-in, private-party and dealer, adjusted for mileage. Free, no signup.
A 1999 Pontiac Bonneville still asks 167% of what a 2005 one does — that's how much value it holds after 6 years. Among 37 sedans we price, that ranks #7, above the 83% class median. The steepest single-year drop comes at year 4 (−64%). Calculated from 23 listings.
Pontiac Bonneville value by year
What a Pontiac Bonneville is worth at each model year, from real US listings — the low (trade-in), median (private-party) and high (dealer) price.
| Year | Trade-in | Median | Dealer | Listings |
|---|---|---|---|---|
| 2005 | $1,400 | $11,900 | 6 | |
| 2002 | $1,000 | $6,750 | 3 | |
| 2001 | $1,400 | $3,500 | 6 | |
| 1999 | $1,500 | $4,995 | 5 | |
| 1996 | $6,950 | $6,950 | 3 |
How the Pontiac Bonneville depreciates
Median market price by model year — how a Pontiac Bonneville loses (or holds) value as it ages, from real listings. See how it tracks against the typical depreciation curve by age:
The newest Pontiac Bonneville averages $2,995; a 9-year-older one runs about $6,950 — roughly -132% lost over 9 years. The steepest drop is usually in the first few years.
Does the Pontiac Bonneville hold value better than its rivals?
Every sedan we price, ranked by how much of its 2005 price a 1999 car still asks. Higher is better — the Pontiac Bonneville sits at #7 of 37, against a class median of 83%.
The Pontiac Bonneville market right now
What the market asks for a Pontiac Bonneville at each model year — the median of 43 real listings we track. Pro plots every individual listing on this chart.
Adjust your Pontiac Bonneville value for mileage
Pick a model year and enter your odometer — see what your exact Pontiac Bonneville is worth on today's market.
And here's what the market actually asks at each odometer band:
Trade-in, private-party & dealer price
Every Pontiac Bonneville has three prices. Our low–median–high range maps to what a dealer pays you, what you'd get selling it yourself, and what a lot charges — compare with current used-market prices across all models.
For a 2005 Pontiac Bonneville: a dealer trade-in offer is around $1,400, selling private-party nets about $2,995, and a lot asks near $11,900 — a $10,500 spread on the same car.
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Get an exact Pontiac Bonneville value by VIN
Trim, engine and options move the value. Decode your Pontiac Bonneville's VIN free to pin the exact build, then check its market value.
More on the Pontiac Bonneville
Pontiac Bonneville value FAQ
How much is a Pontiac Bonneville worth?
A 2005 Pontiac Bonneville averages $2,995 today (roughly $1,400–$11,900). Value depends on the year and mileage — see the table above for every model year, or add your mileage for an exact number.
Does mileage change the Pontiac Bonneville value?
Yes — higher mileage lowers value. Enter your odometer reading in the mileage tool above to adjust the estimate from the model-year average.
Is the Pontiac Bonneville value free?
Yes, every estimate is free with no signup, from real US market listings.
How is this calculated?
ForCar aggregates real asking prices for the Pontiac Bonneville from current US listings into the low (10th percentile), median and high (90th percentile) price per model year.
Which Pontiac Bonneville year is the best value?
See the value-by-year table and depreciation above — older years cost less but the newest years hold value best. The sweet spot is usually a few years old, where the steepest depreciation has already happened.
Is this a free Pontiac Bonneville Blue Book alternative?
Yes. ForCar is a free, no-signup alternative to Kelley Blue Book and NADA — instead of a private formula, you see what Pontiac Bonnevilles are actually listed for right now, by year and mileage.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.