Used GMC Sierra 2500HD AT4 prices, November 2026
A used GMC Sierra 2500HD AT4 is listed for about $54,735–$69,518 at US dealers (middle 50% of 2,645 listings), with a median of $63,619 at 47,270 miles, as of Nov 7, 2026.
Updated · By CarWhere Research · Source: active US dealer listings (licensed vehicle-data providers) · About this data
Median asking price
$63,619
Average $62,108
Median miles
47,270
Average 55,146
For sale now
2,645
138 certified (5.2%)
Median days listed
44
How much is a used GMC Sierra 2500HD AT4?
A used GMC Sierra 2500HD AT4 has a median asking price of $63,619 (average $62,108), with the middle half of listings between $54,735 and $69,518. That's 6% above the median for all used Sierra 2500HDs ($60,211).
Dealer asking price vs. trade-in vs. private sale
The prices on this page are what US dealers are asking for a GMC Sierra 2500HD AT4 today, before negotiation, taxes and fees. A dealer's trade-in offer for the same car is usually well below its asking price, because the dealer has to recondition it, carry it and still make a margin. A private sale typically lands between the two. To estimate your own car, try the trade-in calculator or the used car value tool.
Used GMC Sierra 2500HD AT4 listings by model year
Listing counts for the AT4 by model year. Year links open the price page for that Sierra 2500HD year (all trims); counts open the matching listings.
| Model year | AT4 for sale now | Median price, all Sierra 2500HD trims (USD) |
|---|---|---|
| 2026 | 322 | $76,598 |
| 2025 | 526 | $69,727 |
| 2024 | 863 | $65,031 |
| 2023 | 261 | $52,715 |
| 2022 | 363 | $48,900 |
| 2021 | 170 | $46,990 |
| 2020 | 140 | — |
Where are the most used GMC Sierra 2500HD AT4s for sale?
Texas has the most (373 listings), followed by Georgia, Florida, California.
| State | For sale now | Share of US listings (%) |
|---|---|---|
| Texas | 373 | 14.1% |
| Georgia | 162 | 6.1% |
| Florida | 109 | 4.1% |
| California | 105 | 4% |
| Ohio | 101 | 3.8% |
| North Carolina | 99 | 3.7% |
| Louisiana | 91 | 3.4% |
| New York | 86 | 3.3% |
| Illinois | 84 | 3.2% |
| Missouri | 77 | 2.9% |
Compare Sierra 2500HD trims
| Trim | Median price (USD) | Median miles | For sale now |
|---|---|---|---|
| AT4 | $63,619 | 47,270 | 2,645 |
| SLT | $45,158 | 86,650 | 1,589 |
| Denali | $66,468 | 38,061 | 1,469 |
| SLE | $36,256 | 94,513 | 1,230 |
| Denali Ultimate | $75,829 | 31,246 | 1,061 |
Frequently asked questions
How much is a used GMC Sierra 2500HD AT4?
A used GMC Sierra 2500HD AT4 has a median asking price of $63,619 (average $62,108), with the middle half of listings between $54,735 and $69,518. That's 6% above the median for all used Sierra 2500HDs ($60,211). Based on 2,645 listings on Nov 7, 2026.
How many used GMC Sierra 2500HD AT4s are for sale?
2,645 were listed at US dealers on Nov 7, 2026, 138 (5.2%) certified pre-owned. The most-listed model year is 2024 (863).
How long does a used GMC Sierra 2500HD AT4 take to sell?
Half of the GMC Sierra 2500HD AT4s listed today have been on the market 44 days or less, against 45 days for all used Sierra 2500HDs.
Where are the most used GMC Sierra 2500HD AT4s for sale?
Texas has the most (373 listings), followed by Georgia, Florida, California.
About this data
- Period
- Listings active on Nov 7, 2026 (snapshot)
- Filter
- Used and certified GMC Sierra 2500HD AT4, all model years, all US states
- Counts
- 2,645 listings (138 certified pre-owned)
- Method
- Median, average and 25th–75th percentile asking price, odometer miles and days listed across active used and certified pre-owned GMC Sierra 2500HD AT4 listings at US dealers. Trim names are as dealers list them. Asking prices are what dealers list, not what buyers paid.
- Source
- Active used and certified listings at US dealers from licensed vehicle-data providers. Only aggregates are kept: counts, medians, averages and percentiles.
- Updates
- Refreshed from a new market snapshot on a regular schedule; last updated .
- Data
- Download JSON (the aggregates on this page)