Factory build sheet
2021 GMC Yukon SLE
Build 1GKS1AKD-M · 5.3L 8cyl · Sport Utility Vehicle (SUV)
VIN positions 1 through 8 read 1GKS1AKD and position 10 reads M. Those nine characters define this build. Position 9 and positions 11 through 17 differ on every car.
Every Yukon whose VIN starts 1GKS1AKD and carries M in position 10 left the plant with the same engine, transmission, drivetrain and equipment listed below. We know of 277 of them.
- Decoded Jul 7, 2026
- 277 known VINs
- 6 listed for sale now
Factory specification
As filed by GMC with NHTSA for this build. Fields the filing does not record are left out entirely — a missing row means no recorded value, not a missing feature.
Engine
- Displacement
- 5.3 L
- Cylinders
- 8
- Engine model
- L84 - DI, ALUM, GEN 5, VAR 2
- Fuel type
- Gasoline
Drivetrain
- Drive type
- 4x2
- Transmission
- Automatic
- Brake system
- Hydraulic
Body & chassis
- Body class
- Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV)
- NHTSA body type
- MULTIPURPOSE PASSENGER VEHICLE (MPV)
- Doors
- 4
- Seats
- 8
- Manufacturer
- GENERAL MOTORS LLC
Weight rating
- GVWR class
- Class 2F
- GVWR
- 7,001–8,000 lb
Gross vehicle weight rating is the loaded ceiling set by the manufacturer, not the car's own weight.
Driver assistance, as built
- Forward collision warning Standard
- Crash imminent braking Standard
- Lane departure warning Optional
- Lane keeping assistance Optional
- Blind spot warning Optional
Systems the filing does not record are not listed above. Check the window sticker of the exact car before you rely on any single feature.
What this build asks today
Asking prices of live dealer listings decoded to this exact configuration — narrower than the trim-level figure, because every car counted here shares the same engine, transmission and drivetrain.
$36,605 median asking price · 8 listings · as of Aug 30, 2026
Too few listings to publish a price range — with 8 cars on the market, the cheapest and the dearest are single cars, not a spread. The median above is what they ask in the middle.
The same build, other model years
GMC used the VIN pattern 1GKS1AKD for 4 model years. Nothing but the year changes between these pages, so the price gap between them is depreciation on an identical car.
How this VIN pattern is read
A 17-character VIN carries two kinds of information: what was built, and which one it is. This page is the first kind — the nine highlighted positions.
| Positions | Characters | What they encode |
|---|---|---|
| 1–3 | 1GK | GENERAL MOTORS LLC · World manufacturer identifier |
| 4–8 | S1AKD | Model, body style, engine and restraint system |
| 9 | × | Check digit — computed per vehicle, not part of the build |
| 10 | M | Model year — 2021 |
| 11 | × | Assembly plant |
| 12–17 | ×××××× | Production sequence number, unique to each vehicle |
NHTSA safety ratings
Crash-test results are published per model year and body style, so they cover the 2021 GMC Yukon as a whole rather than this build alone.
Overall
★★★★ ★ 4 / 5
Frontal crash
★★★★ ★ 4 / 5
Side crash
★★★★★ 5 / 5
Rollover
★★★ ★★ 3 / 5
13 recall campaigns are recorded for the 2021 Yukon. Recalls are issued per VIN range — check the VIN of the car you are looking at, not the model.
277 vehicles carry this build
Every VIN we have decoded to 1GKS1AKD-M shares the specification above.
- 277 Known VINs
- 6 Listed for sale now
- 8 Priced listings
- $36,605 Median asking
Cars are filed by a fixed rule based on the VIN, so a car never moves between groups.
Keep going
Where this data comes from
Specification fields are decoded from the manufacturer's filings in the NHTSA vPIC database, keyed on VIN positions 1–8 and 10. We publish the filed values as they stand and leave out anything the filing does not record.
Prices are asking prices from 8 live dealer listings decoded to this build , last updated August 30, 2026 . They are what sellers ask, not what buyers paid.
Vehicle counts come from the 277 VINs of this build we have seen in dealer inventory. They are a sample of the road population, not a production figure.