Reliable Auto DB

2021 Genesis G90 reliability

Is it reliable?

NHTSA's file on the 2021 Genesis G90 holds 5 complaints after 6 years, a rate of 1 per year. That is fewer complaints per year than most G90 years here — under the median of the other years, which is 1. NHTSA has 1 recall on file, including Turbocharger.

2017 Genesis G90
Photo by Kevauto, resized from the original. Wikimedia Commons CC BY-SA 4.0
Complaints

5

Per year

1

Recalls

1

Years on the road

6

What owners report

The complaints owners file most often name Forward collision avoidance (2 of 5), then Electrical system (1) and Engine (1). Those filings include 1 that reports a crash.

Next to 2020 and 2022

The 2020 G90 has 3 complaints, 1 per year, and the 2022 has 4 complaints, 1 per year. The 2021 has about the same number of complaints per year as the 2020. The 2021 has about the same number of complaints per year as the 2022.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2021 Genesis G90. How we count. Data as of .

Recalls (1)

Recall engine and cooling, engine, gasoline, turbocharger 2024-03-08 · NHTSA campaign 24V191000
Summary 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.
Remedy Dealers will replace the left turbocharger oil feed pipe, free of charge. Owner notification letters were mailed May 3, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 019G. This recall expands and replaces recall number 19V-538. Vehicles previously repaired under 19V-538 will need to have the new remedy completed.

Complaints by component (5 total)

Forward collision avoidance
2
Electrical system
1
Engine
1
Fuel and propulsion system
1
Steering
1
Tires
1
Crash-flagged

1

Fire-flagged

0

Injury reports

0

Death reports

0

Complaints filed per year

220231202522026
Excerpts from recent NHTSA complaint filings
  • "The centre console screen has completely failed and has gone black. Yes, the screen is available for inspection upon request. The screen houses access to most safety systems in the car, including the reverse camera,…"
    Electrical system · filed 2026-06-25
  • "My 2021 Genesis G90 has experienced repeated failures of the main infotainment / viewing display system, which has been replaced multiple times by authorized Genesis dealers. Despite these repairs, the defect continues…"
    Unknown or other, Forward collision avoidance · filed 2026-01-06
  • "Driving on interstate at 70mph while it was raining. Signaled and changed lanes. Steering wheel started jerking left and right and the power steering light flickered on and off. The steering wheel stopped jerking and…"
    Steering, Forward collision avoidance · filed 2025-04-25
  • "The vehicle started smoking and stalled out Aug 18,2023. The vehicle starting shaking then I parked it for about two (2) hours. When I tried to crank vehicle again it wouldn’t crank. I attempted to complete diagnostic…"
    Unknown or other, Engine, Fuel and propulsion system · filed 2023-10-06
  • "This is not about a tire failure but rather dangerous mis sizing of tires from factory.I bought the car new. It was never in an accident or had a flat tire and did not have service call until this week at 13000 or so…"
    Tires · filed 2023-09-13

NHTSA crash ratings

Version Overall Front Side Rollover
2021 Genesis G90 4 DR AWD Not rated Not rated Not rated Not rated
2021 Genesis G90 4 DR RWD Not rated Not rated Not rated Not rated

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
G90 all-wheel drive 5L, 8-cyl Automatic (8-speed) All-wheel drive 16 23 18 MPG $4450
G90 all-wheel drive 3.3L, 6-cyl Automatic (8-speed) All-wheel drive 17 24 20 MPG $4000
G90 rear-wheel drive 5L, 8-cyl Automatic (8-speed) Rear-wheel drive 16 24 19 MPG $4200
G90 rear-wheel drive 3.3L, 6-cyl Automatic (8-speed) Rear-wheel drive 17 24 19 MPG $4200

Specs and fitment

Second generation (RS4), 2021–present
Body styles Sedan
Oil 5W-20 or 5W-30 (engine dependent; confirm on cap)
Tire size 245/45R19 (trim dependent)

Known issues for this generation

Recall 25V833000 covers certain 2023-2026 Genesis G90 vehicles. The Highway Drive Assist corner radar may falsely detect another vehicle and cause sudden, unintended braking. Hyundai advises owners not to use Highway Drive Assist until dealers replace the front bumper beam free of charge.

Compare

Next year 2022 Genesis G90 See every Genesis G90 model year →

Frequently asked questions

Is the 2021 Genesis G90 reliable?

NHTSA's file on the 2021 Genesis G90 holds 5 complaints after 6 years, a rate of 1 per year. That is fewer complaints per year than most G90 years here — under the median of the other years, which is 1. NHTSA has 1 recall on file, including Turbocharger.

What are common problems with a 2021 Genesis G90?

The complaints owners file most often name Forward collision avoidance (2 of 5), then Electrical system (1) and Engine (1). Those filings include 1 that reports a crash.

Is the 2021 Genesis G90 more reliable than the years next to it?

The 2020 G90 has 3 complaints, 1 per year, and the 2022 has 4 complaints, 1 per year. The 2021 has about the same number of complaints per year as the 2020. The 2021 has about the same number of complaints per year as the 2022.

Has the 2021 Genesis G90 been recalled?

The 2021 Genesis G90 has 1 recall on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2021 Genesis G90?

Owners have filed 5 complaints about the 2021 Genesis G90 with NHTSA.

What mpg does a 2021 Genesis G90 get?

EPA-rated combined fuel economy for the 2021 Genesis G90 is 19 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What engine oil does a US Genesis G90 use?

5W-20 or 5W-30 (engine dependent; confirm on cap)

What tire sizes fit a US Genesis G90?

Published US specs commonly list front 245/45R19 (trim dependent) and rear 245/45R19 (trim dependent); confirm on the door jamb placard for your trim.

What NHTSA recalls affect the US Genesis G90?

Recall 25V833000 covers certain 2023-2026 Genesis G90 vehicles. The Highway Drive Assist corner radar may falsely detect another vehicle and cause sudden, unintended braking. Hyundai advises owners not to use Highway Drive Assist until dealers replace the front bumper beam free of charge.