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2021 Genesis

G90 AWD

Auto (S8), 6 cyl, 3.3 L, Turbo

Genesis G90: best and worst years
2021 Genesis G90 AWD

Closest available photo (2023 model year); you're viewing the 2021.

2023 photoCalreyn88CC BY-SA 4.0via Wikimedia Commons

Overview

Transmission
Automatic (S8)EPA, from EPA, last updated 6/22/2026

Engine & performance

HP
365
Power to weight
0.076 hp/lb
Axle ratio
3.54

Efficiency

Smog score
3/10
SmartWay certified
No

Dimensions & capacity

GVWR class
Class 1 (6,000 lb or less)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026

Safety NHTSA record NHTSA, model year

Recalls
1
Owner complaints
5 See on NHTSA

Feature availability

Cameras & visibility

  • Backup camera
    Standard

Driver assist

  • Adaptive cruise controlPart of Highway Driving Assist.
    Standard
  • Automatic emergency braking
    Standard
  • Blind-spot monitor
    Standard
  • Lane-keeping assist
    Standard

Convenience

  • Push-button start
    Standard

Reported problems NHTSA record NHTSA owner complaints, model year

  • FORWARD COLLISION AVOIDANCE22%
  • UNKNOWN OR OTHER22%
  • ELECTRICAL SYSTEM11%
  • ENGINE11%
  • FUEL/PROPULSION SYSTEM11%
  • STEERING11%

Source: NHTSA owner complaints, 9 total.

Genesis G90: best and worst years

Known issues manufacturer service bulletins, model year

20 service bulletins filed with NHTSA for this model year

  • Apr 10, 2026AIR BAGSDTN DL

    The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These inflators were not supplied, approved, or authorized by the vehicle manufacturers and have primarily been found in vehicles that previously experienced a crash and underwent airbag replacement using non-genuine parts. These dangerous inflators have ruptured during

  • Apr 10, 2026AIR BAGSDTN DCS

    The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN), that have been identified in U.S. vehicles following prior crashes, theft, or non‑certified airbag replacements. These inflators are not approved for use, may rupture during deployment, and have caused serious injuries and fatalities. Please see attached anno

  • Nov 6, 2025EXTERIOR LIGHTING25-BD-012H TSB

    This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or during normal driving operation.

  • May 8, 2025ELECTRICAL SYSTEM25-01-024G-1 TSB

    Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection by resetting the AVN unit.

  • Apr 29, 2025ELECTRICAL SYSTEM25-GI-009G

    Certain Genesis vehicles may experience an inoperable horn from moisture or carbonization at the contact point. This bulletin provides a guide to inspect and replace the horns.

  • Aug 12, 2024WHEELS24-DS-003G

    This bulletin provides information to inspect and replace the front or rear wheel bearing hub assemblies for all Genesis vehicles. This procedure is applicable when noise (whirring, roaring, grinding, rumbling, etc.) is present which gets louder when driving with more speed.

  • Jun 20, 2023POWER TRAIN23-AT-007G

    When servicing an 8-speed automatic transmission vehicle with a “Check Engine light” and any of the DTCs listed below, follow the Service Procedure and, if necessary, replace the E-module.

  • Apr 24, 2023STRUCTURE:BODY23-BD-007H

    Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint.

  • and 12 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
5 yr / 60k mi
Powertrain
10 yr / 100k mi
Roadside assistance
5 yr
Maintenance
3 yr / 36k mi
EV battery
10 yr / 100k mi

Source: cars.usnews.com as of 2026-06

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.

2021 Genesis G90 AWD Auto (S8), 6 cyl, 3.3 L, Turbo · Trimslate