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

2021 Genesis G90 Reliability ReportKeepScore 91/100 · top failure points · buy or avoid

91/ 100

KeepScore

LOW RISK

Grade: A-

A mechanically sound luxury cruiser offering remarkable value, with minor electronic nuances being its primary concern.

Full system breakdown + what I would do

Quick Facts · 2021 Genesis G90

  • Outscores the 2022 Genesis G90 by 3 points — one of the stronger nearby years to consider.
  • The system most likely to surface first: infotainment & connectivity (minor severity).
  • Has 1 NHTSA recall on record — the most notable involves the engine and engine cooling:engine:gasoline:turbo/supercharger.

2021 Genesis G90: Buy or Avoid?

The 2021 Genesis G90 stands out as one of the most reliable full-size luxury sedans you can acquire on the used market, offering exceptional value and robust mechanicals. While its sophisticated electronic systems may present minor software-related quirks, the core powertrain and build quality are commendably solid. This is a car you can buy with confidence, knowing it's engineered for long-term comfort and dependability.

Biggest Strengths

  • Robust 3.3L Twin-Turbo V6 and 5.0L V8 powertrains
  • Excellent build quality and premium materials throughout
  • Smooth and durable 8-speed automatic transmission

2021 Genesis G90 — Known Trouble Spots

The systems that break first on the 2021 Genesis G90. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Infotainment & Connectivityminor
2
Advanced Driver-Assistance Systems (ADAS)moderate
3
Power Tailgate/Trunk Mechanismminor
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

Safety Recalls on the 2021 Genesis G90

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

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

Hyundai Motor America (Hyundai) is recalling certain 2018-2020 Genesis G80, 2017-2022 G90, and 2019-2022 G70 vehicles equipped with a 3.3-liter V6 turbocharged engine. The left turbocharger oil feed pipe may deteriorate and leak oil.

What breaks on the 2021 Genesis G90?

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

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Genesis G90 — Year-by-Year Comparison

Compare KeepScores across nearby years of the Genesis G90. Click any year for its full report.

Competing 2021s Worth a Look

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2021 Genesis G90

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Frequently Asked Questions

Full Report

2021 Genesis G90

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

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Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

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Final Step

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