Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2021 GMC Acadia Reliability ReportB- grade · low risk · system-by-system breakdown

82/ 100

KeepScore

LOW RISK

Grade: B-

A well-rounded family SUV offering a generally reliable experience, provided you're aware of minor electrical and powertrain nuances.

Full system breakdown + what I would do

Quick Facts · 2021 GMC Acadia

  • The system most likely to surface first: electrical/infotainment system (moderate severity).
  • Has 2 NHTSA recalls on record — the most notable involves the fuel system, gasoline:delivery:hoses, lines/piping, and fittings.
  • Scores 6 points below the strongest nearby year — the 2022 GMC Acadia earns a 88.

Is the 2021 GMC Acadia Worth Buying?

The 2021 GMC Acadia stands as a practical, family-friendly SUV with generally solid reliability, offering a comfortable ride and capable powertrains. While not without its quirks, especially regarding electrical systems and the newer 2.0L turbo engine, most critical components hold up well, making it a sensible used vehicle purchase. Expect a confident ownership experience if you prioritize consistent maintenance and address minor issues proactively.

Biggest Strengths

  • Robust 3.6L V6 engine option
  • Comfortable and quiet ride quality
  • Strong safety ratings and features

What Tends to Fail First on the 2021 GMC Acadia

The systems that break first on the 2021 GMC Acadia. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Electrical/Infotainment Systemmoderate
2
Transmission Shifting Behaviormoderate
3
2.0L Turbo Engine Oil Consumptionmoderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

2021 GMC Acadia Recall History

2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

General Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature. The rearview camera coaxial cable connectors may have been crimped improperly, causing the rearview camera to fail or function intermittently.

What breaks on the 2021 GMC Acadia?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Other GMC Acadia Years to Consider

Compare KeepScores across nearby years of the GMC Acadia. Click any year for its full report.

2021 GMC Acadia Alternatives

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2021 GMC Acadia

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Frequently Asked Questions

Full Report

2021 GMC Acadia

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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