2018-2021
7 variants
3 sources
2018-2021 GMC Sierra GMC Sierra Denali(2018 - 2021)
Data-only generation page sourced from the serving MVs and recent listing rows. Encyclopedia prose and richer ISR sections will layer in later.
Generation Snapshot
16 sold at auction, median $40,250. 26 total results tracked from 3 auction houses.
Reference Image
Pulled from the latest linked sale that includes a thumbnail on the serving surface.
Total Results
26
All linked auction results for this generation.
Sold Count
16
Sold lots with recorded hammer prices.
Unsold Count
8
Reserve-not-met results tracked at auction.
Median Price
$40,250
All-time sold median for this generation.
P25
$28,005
25th percentile sold price.
P75
$57,875
75th percentile sold price.
Low Sale
$18,750
Lowest sold price captured so far.
High Sale
$95,700
Highest sold price captured so far.
Price Chart Placeholder
Chart wiring is deferred. The price summary stays live.
This block is already keyed for a future chart component. Until that lands, the page ships with the same MV-backed price summary and readiness logic.
| Metric | Value |
|---|---|
| Median | $40,250 |
| 25th percentile | $28,005 |
| 75th percentile | $57,875 |
| Low sale | $18,750 |
| High sale | $95,700 |
Recent Sales
Last 20 auction results
| Date | Title | Source | Price | Status |
|---|---|---|---|---|
| Feb 24, 2026 | 2,600-Mile 2020 GMC Sierra 1500 Crew Cab Denali Ultimate 6.2L 4×4 | Bring a Trailer | $39,900 | Sold |
| Dec 22, 2025 | 2021 GMC Sierra 1500 Denali Ultimate Crew Cab 4WD | Bring a Trailer | $30,457 | Sold |
| Oct 8, 2025 | 2018 GMC Sierra 1500 Denali Pickup | Mecum | $44,000 | Sold |
| Jul 7, 2025 | Supercharged 2021 GMC Sierra 1500 Denali Ultimate Crew Cab 4WD | Bring a Trailer | — | Reserve not met |
| Mar 25, 2025 | 2018 GMC Sierra 1500 SLE | Cars & Bids | — | Reserve not met |
| Feb 27, 2025 | 2021 GMC Sierra 2500HD Denali 4x4 | Cars & Bids | — | Reserve not met |
| Dec 23, 2024 | 2019 GMC Sierra 1500 AT4 Pickup | Mecum | $27,500 | Sold |
| Nov 15, 2024 | 2020 GMC Sierra 2500HD Denali Crew Cab Duramax 4WD | Bring a Trailer | $50,925 | Sold |
| Oct 7, 2024 | 2021 GMC Sierra 3500HD Denali Crew Cab Duramax 4WD | Bring a Trailer | $76,125 | Sold |
| Oct 4, 2024 | 2021 GMC Sierra 2500HD Denali Crew Cab Duramax 4WD | Bring a Trailer | $59,850 | Sold |
| Jul 2, 2024 | 2021 GMC Sierra 1500 SLT Crew Cab 4WD | Bring a Trailer | $42,525 | Sold |
| May 14, 2024 | 2018 GMC Sierra SLT Rocky Ridge K2 Package | Bring a Trailer | $21,000 | Sold |
| Apr 30, 2024 | 2019 GMC Sierra 1500 SLT Black Widow 4x4 | Cars & Bids | — | Reserve not met |
| Feb 27, 2024 | 2020 GMC Sierra 1500 Elevation Edition 4x4 | Cars & Bids | $25,463 | Sold |
| Apr 13, 2023 | 2019 GMC Sierra 1500 Pickup | Mecum | $44,770 | Sold |
| Nov 16, 2022 | 2020 GMC Sierra 3500HD Denali 4x4 | Cars & Bids | — | Reserve not met |
| Mar 17, 2022 | 2020 GMC Sierra 1500 Harley-Davidson Edition 4x4 | Cars & Bids | — | Reserve not met |
| Feb 2, 2022 | 2021 GMC Sierra Denali 4x4 | Cars & Bids | — | Reserve not met |
| Nov 19, 2021 | 2004 Mercedes-Benz E55 AMG Sedan | Cars & Bids | $19,688 | Sold |
| Sep 27, 2021 | 1992 Land Rover Defender 90 | Cars & Bids | $35,175 | Sold |
Variant Surface
Tracked variants
| Variant | Slug |
|---|---|
| 5.3L V8 VVT 8AT 2WD (355 HP) (5’ 8” box) | 53l-v8-vvt-8at-2wd-355-hp-5-8-box-28677 |
| 5.3L V8 VVT 8AT 4WD (355 HP) (5’ 8” box) | 53l-v8-vvt-8at-4wd-355-hp-5-8-box-28678 |
| 5.3L V8 VVT 8AT 4WD (355 HP) (6’ 6” box) | 53l-v8-vvt-8at-4wd-355-hp-6-6-box-28682 |
| 6.2L V8 10AT RWD (426 HP) | 62l-v8-10at-rwd-426-hp-32974 |
| 6.2L V8 VVT 10AT $4WD (420 HP) (6’ 6” box) | 62l-v8-vvt-10at-4wd-420-hp-6-6-box-28681 |
| 6.2L V8 VVT 10AT 2WD (420 HP) (5’ 8” box) | 62l-v8-vvt-10at-2wd-420-hp-5-8-box-28679 |
| 6.2L V8 VVT 10AT 4WD (420 HP) (5’ 8” box) | 62l-v8-vvt-10at-4wd-420-hp-5-8-box-28680 |
Structured FAQ
Generation FAQ
These answers are templated from the live MV row and linked auction records for the route.