Decoding VIN…

Reading VIN 1GKKNULS3MZ164671 live from the NHTSA database…

Decoded · NHTSA vPIC · VIN 1GKKNULS3MZ164671 · Checked Nov 8, 2026
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Vehicle history — accidents, title & owners

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What has this car been through?

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This VIN, character by character

How 1GKKNULS3MZ164671 breaks down:

Recalls for this model year …

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Complaints on this exact build 2

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.

1GKKNULS3MZ•••••• 2021 Gmc ACADIA

That is about average for the 2021 Gmc ACADIA — 2 complaints per build across 79 builds.

2on this build
156on the model
79builds in total
Most reported Electrical System 2 Engine 1 Fuel/propulsion System 1

What owners of this build wrote

Electrical System Jul 2024
The vehicle, without any warning, suddenly stopped. I was unable to restart and unable to put the vehicle in Neutral for pushing to a safer location. Had to be towed to the dealership
Electrical System Oct 2021
On at least 3 occasions, my vehicle’s locks have malfunctioned and I’ve been locked out of my car with one incident being locked out in the rain. Upon approaching my vehicle and using the unlock button on the outside of my door, I was unable to access my vehicle. Then trying my…

Owner complaints …

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Decoded via NHTSA vPIC. Recalls, complaints and safety from NHTSA; MPG from EPA fueleconomy.gov. Full history reports from our partner. VIN 1GKKNULS3MZ164671 · decoded Nov 2026. — ForCar Reviewed by , founder of ForCar.