2021 GMC Sierra value
In Good condition, a 2021 GMC Sierra is likely worth $13,250–$30,300 as a trade-in, $18,050–$34,800 in a private sale and $19,100–$36,600 at dealer retail, per Kelley Blue Book (fetched Oct 23, 2026); dealers were typically asking $33,490 (median of 20 cited listings on Carvana, Oct 23, 2026).
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Last updated · every figure links to its source · data: CSV · JSON
What you'd likely get
| If you… | Range |
|---|---|
| Trade-in at a dealer What a dealer typically credits you toward another car. | $13,250–$30,300 |
| Private-party sale Selling yourself to another person. | $18,050–$34,800 |
| Dealer retail (fair purchase) What buyers typically pay a dealer. | $19,100–$36,600 |
Source: Kelley Blue Book, Good condition, fetched Oct 23, 2026, valid through 10/23/2026. Ranges span the styles KBB lists for this year. Edmunds per-model ranges: not available (not collected).
Typical dealer asking price: $33,490 (20 listings, Oct 23, 2026, Carvana). Asking prices are what dealers list, not what they pay you. See the listings
Typical dealer asking price
$33,490
Median of 20 dealer listings. Typical range $29,690–$39,140 (middle 50%) from 20 cited comparable listings observed Oct 23, 2026–Oct 23, 2026.
See all 20 cited comparables
| Price | Trim | Miles | Location | Source |
|---|---|---|---|---|
| $23,590 | - | ≈63,000 | National | Carvana (Oct 23, 2026) |
| $26,590 | - | ≈97,000 | National | Carvana (Oct 23, 2026) |
| $26,990 | 1500 Double Cab SLE 6 1/2 ft | ≈82,000 | National | Carvana (Oct 23, 2026) |
| $27,990 | 1500 Crew Cab SLE 5 3/4 ft | ≈91,000 | National | Carvana (Oct 23, 2026) |
| $29,590 | 1500 Double Cab Elevation 6 1/2 ft | ≈69,000 | National | Carvana (Oct 23, 2026) |
| $29,990 | 1500 Crew Cab | ≈82,000 | National | Carvana (Oct 23, 2026) |
| $30,590 | 1500 Double Cab | ≈79,000 | National | Carvana (Oct 23, 2026) |
| $31,990 | 1500 Crew Cab SLT 5 3/4 ft | ≈91,000 | National | Carvana (Oct 23, 2026) |
| $31,990 | - | ≈59,000 | National | Carvana (Oct 23, 2026) |
| $32,990 | 1500 Crew Cab | ≈95,000 | National | Carvana (Oct 23, 2026) |
| $33,990 | 1500 Crew Cab SLT 5 3/4 ft | ≈49,000 | National | Carvana (Oct 23, 2026) |
| $33,990 | 1500 Crew Cab | ≈66,000 | National | Carvana (Oct 23, 2026) |
| $34,990 | 1500 Double Cab Elevation 6 1/2 ft | ≈44,000 | National | Carvana (Oct 23, 2026) |
| $35,990 | 1500 Double Cab Elevation 6 1/2 ft | ≈34,000 | National | Carvana (Oct 23, 2026) |
| $36,590 | 1500 Crew Cab | ≈82,000 | National | Carvana (Oct 23, 2026) |
| $39,990 | 1500 Crew Cab | ≈49,000 | National | Carvana (Oct 23, 2026) |
| $40,590 | 1500 Crew Cab | ≈54,000 | National | Carvana (Oct 23, 2026) |
| $40,990 | 1500 Crew Cab | ≈36,000 | National | Carvana (Oct 23, 2026) |
| $43,590 | 1500 Crew Cab Denali 5 3/4 ft | ≈50,000 | National | Carvana (Oct 23, 2026) |
| $43,990 | 1500 Crew Cab | ≈32,000 | National | Carvana (Oct 23, 2026) |
Method: Median of asking/sold prices of cited comparable 2021 GMC Sierra listings observed in the last 120 days. Minimum 5 comps required. How this works
Safety recalls (0)
NHTSA's recall database returned no recalls for the 2021 GMC Sierra model names we queried.
Recalls apply to specific VINs. Check a VIN-specific recall at NHTSA.
Source: NHTSA Recalls API (SIERRA 1500) · fetched Oct 23, 2026 · HTTP 403 (no records)
Source: NHTSA Recalls API (SIERRA 2500) · fetched Oct 23, 2026 · HTTP 403 (no records)
Source: NHTSA Recalls API (SIERRA 3500) · fetched Oct 23, 2026 · HTTP 403 (no records)
Fuel economy (16–26 MPG combined)
| Version | City/Hwy/Comb | Engine |
|---|---|---|
| Sierra 2WD Automatic 10-spd | 23/30/26 | 3.0L 6cyl · Diesel · Rear-Wheel Drive |
| Sierra 2WD Automatic 6-spd | 15/21/17 | 5.3L 8cyl · Regular · Rear-Wheel Drive |
| Sierra 2WD Automatic 6-spd | 15/19/16 | 5.3L 8cyl · Gasoline or E85 · Rear-Wheel Drive |
| Sierra 2WD Automatic 6-spd | 16/21/17 | 4.3L 6cyl · Regular · Rear-Wheel Drive |
| Sierra 2WD Automatic 6-spd | 14/21/16 | 5.3L 8cyl · Regular · Rear-Wheel Drive |
| Sierra 2WD Automatic 8-spd | 17/23/19 | 5.3L 8cyl · Regular · Rear-Wheel Drive |
Source: EPA fueleconomy.gov · fetched Oct 23, 2026
NHTSA model names
NHTSA vPIC lists these GMC model names for 2021: Sierra.
Source: NHTSA vPIC · fetched Oct 23, 2026
Kelley Blue Book values
For a 2021 GMC Sierra in Good condition, KBB showed: fair purchase price $19,100–$36,600; private party $18,050–$34,800; trade-in $13,250–$30,300.
KBB values by style (13)
| Style | Fair purchase | Private party | Trade-in |
|---|---|---|---|
| Pickup 2D 8 ft | $19,100 | $18,050 | $13,250 |
| Pickup 4D 6 1/2 ft | $25,600 | $24,200 | $20,400 |
| SLE Pickup 4D 6 1/2 ft | $27,500 | $26,000 | $21,000 |
| Elevation Pickup 4D 6 1/2 ft | $29,000 | $27,400 | $23,600 |
| SLE Pickup 4D 5 3/4 ft | $25,700 | $24,300 | $18,600 |
| Pickup 4D 5 3/4 ft | $26,600 | $25,100 | $18,050 |
| Elevation Pickup 4D 5 3/4 ft | $28,200 | $26,600 | $21,600 |
| AT4 Pickup 4D 6 1/2 ft | $32,000 | $30,500 | $26,400 |
| SLT Pickup 4D 6 1/2 ft | $33,200 | $31,500 | $27,700 |
| SLT Pickup 4D 5 3/4 ft | $33,000 | $31,400 | $27,000 |
| Denali Pickup 4D 5 3/4 ft | $35,200 | $33,400 | $29,100 |
| AT4 Pickup 4D 5 3/4 ft | $35,800 | $34,000 | $30,100 |
| Denali Pickup 4D 6 1/2 ft | $36,600 | $34,800 | $30,300 |
Source: Kelley Blue Book, fetched Oct 23, 2026 · KBB values valid through 10/23/2026 · page hash d47a1e26c815. KBB figures are KBB's estimates, shown separately from our listing-based value.
2021 GMC Sierra specs
| Fuel economy (city / hwy / combined) | 14–23 / 19–30 / 16–26 MPG (EPA) |
|---|---|
| Engine | 3.0L 6-cyl, 5.3L 8-cyl, 4.3L 6-cyl (EPA) |
| Horsepower | 285 hp (KBB) |
| Transmission | Automatic 10-spd, Automatic 6-spd, Automatic 8-spd (EPA) |
| Drivetrain | Rear-Wheel Drive (EPA) |
| Fuel type | Diesel, Regular, Gasoline or E85 (EPA) |
| EPA size class | Standard Pickup Trucks 2WD (EPA) |
| Body styles | Pickup 2D 8 ft, Pickup 4D 6 1/2 ft, Pickup 4D 5 3/4 ft (KBB) |
| Bed length | 5.75–8 ft (KBB specs, Oct 23, 2026) |
| Truck bed volume | 89 cu ft (KBB specs, Oct 23, 2026) |
| Trims / styles | Pickup 2D 8 ft, Pickup 4D 6 1/2 ft, SLE Pickup 4D 6 1/2 ft, Elevation Pickup 4D 6 1/2 ft, SLE Pickup 4D 5 3/4 ft, Pickup 4D 5 3/4 ft, Elevation Pickup 4D 5 3/4 ft, AT4 Pickup 4D 6 1/2 ft, SLT Pickup 4D 6 1/2 ft, SLT Pickup 4D 5 3/4 ft, Denali Pickup 4D 5 3/4 ft, AT4 Pickup 4D 5 3/4 ft, Denali Pickup 4D 6 1/2 ft (KBB) |
Specs from EPA fueleconomy.gov (fetched Oct 23, 2026) and Kelley Blue Book (fetched Oct 23, 2026); fields marked with another source cite that page and fetch date. Ranges span all versions listed.
Market context
Latest: 182.2 (Sep 2026), -1.5% vs. a year earlier. Peak in the last 10 years: 216.9 (Feb 2022).
Sep 2016 – Sep 2026. National index (1982–84=100); it shows market direction, not the value of a specific car.
Source: FRED CUSR0000SETA02 (BLS) · fetched Oct 23, 2026
Questions
What is a 2021 GMC Sierra worth?
In Good condition, a 2021 GMC Sierra is likely worth $13,250–$30,300 as a trade-in, $18,050–$34,800 in a private sale and $19,100–$36,600 at dealer retail, per Kelley Blue Book (fetched Oct 23, 2026); dealers were typically asking $33,490 (median of 20 cited listings on Carvana, Oct 23, 2026).
What is the trade-in value of a 2021 GMC Sierra?
Kelley Blue Book lists a trade-in range of $13,250–$30,300 for a 2021 GMC Sierra in Good condition (fetched Oct 23, 2026). Private-party: $18,050–$34,800. Dealer retail: $19,100–$36,600.
What do dealers ask for a used 2021 GMC Sierra?
Dealers typically ask about $33,490 for a 2021 GMC Sierra (median asking price; middle 50% $29,690–$39,140), based on 20 cited listings from Carvana observed Oct 23, 2026.
What is the price range for a used 2021 GMC Sierra?
Asking prices in our 20 cited listings ran from $23,590 to $43,990; the middle half sat between $29,690 and $39,140.
How many miles do used 2021 GMC Sierra listings have?
The 20 listings with a mileage shown had 32,000–97,000 miles (median 66,000).
Where does this 2021 GMC Sierra value come from?
From 20 public listings on Carvana, each linked below with its fetch date and a content hash of the page we read. Download them as CSV or JSON.
Does the 2021 GMC Sierra have recalls?
NHTSA returned no recalls for the 2021 GMC Sierra model names we queried (checked Oct 23, 2026).
What MPG does the 2021 GMC Sierra get?
EPA combined fuel economy for 2021 GMC Sierra versions ranges from 16 to 26 MPG, per fueleconomy.gov.
See also: Trade-in value guide · Depreciation calculator · Compare instant cash offers