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Reading VIN 1GKKNXLS4MZ143958 live from the NHTSA database…

Decoded · NHTSA vPIC · VIN 1GKKNXLS4MZ143958 · Checked Nov 14, 2026
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Vehicle history — accidents, title & owners

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This VIN, character by character

How 1GKKNXLS4MZ143958 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.

1GKKNXLS4MZ•••••• 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 Air Bags 1 Engine 1

What owners of this build wrote

Engine Oct 2024
Engine exhaust makes vibrating noise similar to a leaf blower under acceleration. TSB issued due to common issue and GM refuses to recall or fix. Broken baffle/weld inside of front muffler/resonator on exhaust system under front passenger compartment. Issue getting worse. $2500…
Air Bags Nov 2022
October 2021 warning light service service seat restraint system. Schumacher Lake Park FL replaced SIR module. Mileage 3741 Took 2 weeks to repair. October 2022 Warning light service seat restraint system. Mileage 7180. Vehicle at Starling GMC Stuart FL for 2 weeks effective…

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 1GKKNXLS4MZ143958 · decoded Nov 2026. — ForCar Reviewed by , founder of ForCar.