AI-generated from NHTSA recall & complaint counts

Pre-purchase inspection checklist — 2021 GMC Acadia

The 2021 GMC Acadia faces notable issues, particularly with its electrical system and engine. Recalls include potential rearview camera failure and improperly attached fuel lines. While generally reliable, thorough inspection is advised to avoid potential problems.

NHTSA data on file today

The 2021 GMC Acadia has 2 NHTSA recall campaigns and 156 owner complaints on file as of . Recall data is refreshed daily from NHTSA.

NCAP overall rating: 5.0 out of 5 stars, averaged across 2 NHTSA-tested trims.

Recall campaigns on file

Most-cited components in owner complaints

  • Electrical System 40 complaints
  • Engine 30 complaints
  • Fuel/Propulsion System 26 complaints
  • Unknown or Other 21 complaints
  • Service Brakes 18 complaints
  • Steering 18 complaints

Of the 156 complaints on file, 8 report a crash; across all 156 complaints, owners report 4 injuries (owner-reported, not verified by NHTSA).

Recall notices and owner complaints for the 2021 GMC Acadia

Known issues to inspect

medium severityelectrical

Rearview camera failure

How to check: Ensure the rearview camera consistently displays on screen.

high severityengine

Fuel line improperly attached

How to check: Inspect engine bay for any fuel line leaks or smells.

medium severityelectrical

Frequent electrical failures

How to check: Test all electrical components like windows and locks.

medium severityengine

Engine complaints reported

How to check: Check for any unusual engine noise or wear.

medium severitybrakes

Service brake complaints

How to check: Ensure brakes respond properly without noise.

Test-drive walkthrough

  1. 01

    Cold start

    What to check: Listen for unusual noises from the engine.

    Red flag: Knocking or ticking sounds

  2. 02

    First minute idling

    What to check: Check dashboard for warning lights.

    Red flag: Persistent warning lights on display

  3. 03

    Low-speed maneuver

    What to check: Test rearview camera functionality.

    Red flag: Camera does not display or flickers

  4. 04

    Acceleration

    What to check: Feel for smooth power delivery.

    Red flag: Hesitation or stuttering on acceleration

  5. 05

    Braking

    What to check: Ensure brakes engage smoothly and quietly.

    Red flag: Grinding or squeaking noise

  6. 06

    Parking

    What to check: Test steering wheel responsiveness and ease.

    Red flag: Steering wheel feels stiff or jerky

  7. 07

    Shutdown

    What to check: Listen for unusual engine shutdown noise.

    Red flag: Rattling or knocking sounds

Questions for the seller

Use this exact phrasing.

  1. Has the rearview camera been repaired?
  2. Any unresolved engine issues?
  3. Is there any history of electrical repairs?
  4. Have there been any fuel line repairs?
  5. Are there any outstanding recalls?
  6. Have the service brakes been serviced?

Documents to request

Don't sign anything until you have these.

  • Vehicle maintenance records
  • Recall repair documentation
  • Warranty paperwork
  • Previous owner's contact information
  • Detailed service history

Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2021 GMC Acadia at the time. AI output can be wrong; confirm anything you find with a mechanic.

Next step

Looking at a specific 2021 GMC Acadia? Check the actual car

This checklist covers the model. From your free try.vin dashboard you can go further — paste the seller's listing for a deal score, or drop their photos for an AI condition report.

Start free — check this car