2021 GMC Acadia SLT
1GJJBNKS4MZ171452
This vehicle is no longer listed. The figures below describe the market for this build.
2021 GMC Acadia SLT
VIN 1GJJBNKS4MZ171452
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2021 GMC Acadia SLT for sale near you
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Listings
Full listing history on VehiSales →No active listings of this exact VIN right now.
Decoded from the VIN
NHTSA build data for 1GJJBNKS4MZ171452- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
Fuel economy (EPA)
Assumes 15,000 miles a year at $3.10/gallon and 24 MPG combined.
Safety & recalls
NHTSA crash tests & recall campaigns for this model yearThe 2021 GMC Acadia has 2 recall campaigns as of August 2026. NHTSA rated it 5 out of 5 stars overall. EPA combined fuel economy: 24 MPG.
Tested configuration: 2021 GMC Acadia SUV AWD
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FUEL SYSTEM, GASOLINEGeneral Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.NHTSA campaign 21V422000
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BACK OVER PREVENTIONGeneral Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature.NHTSA campaign 22V709000
Recall campaigns apply to the model year, not to one car. Check remedy status for this VIN at nhtsa.gov/recalls.
Model-level data for the 2021 GMC Acadia from NHTSA (recalls, NCAP crash tests) and EPA fueleconomy.gov, refreshed August 27, 2026.
Where the price is heading
Typical asking price for a GMC Acadia over the last 6 months — the market softened $799 in that span.
Monthly price table
| Month | Typical price |
|---|---|
| April 2026 | $23,996 |
| May 2026 | $23,948 |
| June 2026 | $23,620 |
| July 2026 | $23,492 |
| August 2026 | $23,327 |
| September 2026 | $23,197 |
Market by model year
Gen 3 · 2017–2025What each model year costs right now — live supply, median asking price and how much value each year keeps versus the newest one.
| Year | Units for sale | Median price | vs newest | Avg mileage |
|---|---|---|---|---|
| 2025 | 805 | $39,998 | 100% | 18,401 mi |
| 2024 | 663 | $40,696 | 102% | 30,689 mi |
| 2023 | 2,455 | $29,850 | 75% | 45,340 mi |
| 2022 | 683 | $25,997 | 65% | 64,330 mi |
| 2021 | 829 | $22,998 | 57% | 78,677 mi |
| 2020 | 731 | $20,292 | 51% | 89,135 mi |
| 2019 | 1,656 | $17,393 | 43% | 99,234 mi |
| 2018 | 636 | $15,900 | 40% | 108,945 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.
