Everything NHTSA's vPIC database knows about this exact vehicle:
Decoding from NHTSA…
Vehicle history — accidents, title & owners
The decode above is what this vehicle is. For what it's been through — accidents, title brands, odometer, theft/total-loss and previous owners — pull a full history report.
NHTSA publishes the first 11 characters of the VIN with every complaint — that identifies the plant, model year, body and engine. So these are reports from cars built exactly like this one, not an average across the whole model.
1GKKNXLSXMZ••••••2021 Gmc ACADIA
This build draws 3.6× more complaints than the average 2021 Gmc ACADIA build (7 vs 2).
7on this build
150on the model
77builds in total
1involved a crash
Most reportedElectrical System 5Power Train 2Fuel/propulsion System 2Engine 1
What owners of this build wrote
Power TraincrashNov 2024
While driving vehicle stalled multiple times in the middle of the road, with service transmission and engine light coming on, causing unsafe conditions, causing accident and leaving passengers stranded. Battery being drained and needing to be replaced multiple times within 2…
SteeringOct 2025
While driving, error popped up stating steering assist is reduced; drive with caution. Heat was no longer working. Engine temp was reading cold even though vehicle had been running for half hour and temp outside was 65 F. After vehicle was stopped, engine fan ran very loudly for…
Electrical SystemJul 2025
Car was parked overnight in my garage and in the morning it would turn over, but not start. Had to have it towed to my GMC dealer, but had great difficulty moving the car out of the garage because the transmission remains in PARK if the engine is not running. Had this happened…
Fuel/propulsion SystemJul 2024
While driving, the vehicle shut off without warning. It was in-traffic when this occurred and subsequently blocked traffic. I tried to restart the vehicle many times. It would start and then die within a few seconds. Since the vehicle would not remain running, it was impossible…
Unknown Or OtherJul 2021
As I was driving down Interstate 65 in south Alabama on a drizzling rainy day, the sunroof made a very loud popping noise and then exploded, with shattered glass falling into my SUV. Luckily, I was able to keep my vehicle on the road without swerving and losing control. I closed…
Read all 7 complaints on this exact buildFull text, search by keyword, and the systems that fail most on cars built like yours.Unlock with Pro →
Owner complaints…
Now the whole model — all 77 builds of it, not just this build. Same NHTSA reports, wider net:
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Exact value for this VIN, adjusted for mileage
The original window sticker and factory options
Full research report as a PDF you can hand to a mechanic
Decoded via NHTSA vPIC. Recalls, complaints and safety from NHTSA; MPG from EPA fueleconomy.gov. Full history reports from our partner. VIN 1GKKNXLSXMZ154639 · decoded Oct 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.