Quick answer
For the same model year, dealers ask 30 points more than private sellers.
GMC Sonoma price by model year
| Year | Typical price | Spread | Listings |
|---|---|---|---|
| 2003 | — | 7 | |
| 2002 | — | 5 | |
| 2000 | — | 7 | |
| 1998 | — | 9 | |
| 1995 | — | 8 |
ROWS 5·SOURCE Live classified listings
Dealer or private seller
On the GMC Sonoma the dealer markup works out at 30% over a private sale of the same year.
| Seller | Listings | vs median year | Average asked |
|---|---|---|---|
| Private seller | 83 | +0.8% | $4,716 |
| Dealer | 36 | +31.0% | $6,498 |
ROWS 2·SOURCE Live listings, normalized per model year
Upgrade to Pro
Asking prices are the market. What is that car worth?
- Exact value for one VIN, adjusted for its mileage
- Live listings with prices, not just percentiles
- Price-drop alerts on the model you are watching
- Full research report as a PDF you can hand to a mechanic
- No ads, on every page
- No ads, no tracking — and much more
Free plan available — no credit card needed
Everything on the GMC Sonoma
Frequently asked questions
How much does a used GMC Sonoma cost?
The median asking price is $4,800 across 140 live listings. A 1995 asks about $3,100 and a 2003 about $6,950. The most listed year is 1998, at $4,433. To price one car by its year and mileage, use the GMC Sonoma valuation tool.
Is it cheaper to buy a Sonoma from a private seller?
Yes. Against the median for the same model year, dealers ask 31.0% above and private sellers 0.8% above.
Asking prices from live classified listings, normalized against the median for each model year. Slices below a minimum listing count are omitted. Asking prices exceed transaction prices (how we count). Last updated Nov 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.
Found this useful?
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.