Is the 2021 Genesis G90 reliable?

The 2021 Genesis G90 has 9 complaints filed with NHTSA (1.3x the segment average). Our reliability verdict: average. Most common issue: DRIVER ASSIST/CAMERAS problems.

What are common problems with the 2021 Genesis G90?

Top problems: DRIVER ASSIST/CAMERAS (3 complaints, avg repair $500); OTHER (2 complaints, avg repair $500); TIRES (1 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2021 Genesis G90?

Yes, there are 1 recall(s): ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Contact any Genesis dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to fuel a 2021 Genesis G90?

The 2021 Genesis G90 gets 19 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $2526. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2021 Genesis G90?

Estimated US average full-coverage insurance for the 2021 Genesis G90 is approximately $2,250/year (sedan-luxury class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2021 Genesis G90

Problems, Recalls & Reliability Report

Average

Quick Summary

The 2021 Genesis G90 has 9 owner complaints filed with NHTSA — that's 1.3x the segment average of 7. The most common issue is driver assist/cameras problems (33% of all complaints), specifically: 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 the power steering light remained on. i no longer had power steering and car was di. There is 1 recall issued for this model year.

3 crash reports

Total Complaints

Recalls Issued

—/5

Safety Stars

1.3x

vs Segment Avg

Known Problems(top 5 of 6)

DRIVER ASSIST/CAMERAS

3 complaints

33%

• 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 the power steering light remained on. I no longer had power steering and car was di
• 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 to recur. On December 19, 2025, while the main display was nonfunctional, I was
• 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 to recur. On December 19, 2025, while the main display was nonfunctional, I was

Typical onset: 50K miles Est. repair: $500💥 2 crashes

“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 the power steering light remained on. I no longer had power steering and car was di”

— NHTSA complaint filing

Recalls (1)

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER08/03/2024

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.

Risk: An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire.

Fix: 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.

Fuel Cost Calculator for 2021 Genesis G90

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$2,527

Per month

$211

Per mile

21.1¢

MPG

City driving (worst-case MPG)

$3,001/yr

Highway driving (best-case MPG)

$2,001/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2021 Genesis G90

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$2,250

Full coverage / month

$188

Liability only / year

$710

vs US avg

+34%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (sedan-luxury)1.28x

× theft risk1.00x

× safety rating1.00x

× vehicle age1.05x

= Full coverage estimate$2250

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Genesis G90 Service Intervals

Oil change

8K mi / 12 mo

Tire rotation

8K mi

Brake fluid

24 months

Transmission fluid

60K mi

Engine coolant

60K mi

Spark plugs

90K mi

Cabin air filter

15K mi

Engine air filter

30K mi

Differential (AWD/4WD)

60K mi

Complimentary scheduled maintenance for 3 years / 36,000 miles included on new vehicles.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Genesis New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

5 yr / 60K mi

Powertrain

10 yr / 100K mi

Hybrid/EV battery

10 yr / 100K mi

Corrosion (rust perforation)

7 yr / unlimited mi

Roadside assistance

5 yr / unlimited mi

Complimentary scheduled maintenance for 3 years/36,000 miles

These are the terms for a new Genesis. If you're buying a used 2021 G90, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Genesis dealer for VIN-specific remaining warranty.

Estimated Repair Costs

DRIVER ASSIST/CAMERAS(~50K mi)

$500

OTHER(~50K mi)

$500

TIRES(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

ENGINE(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 9 owner complaints for this specific year, here's what to check or ask about:

☐
DRIVER ASSIST/CAMERAS: 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 the power steering light remained on. I no longer had power steering and car was di
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: 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 test but the vehicle wouldn’t remain on. I contacted dealership I purchased it fro
Typically appears around 50K miles. Repair cost ~$500
☐
TIRES: 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 miles.the service included tire rotation and balance, but the service man called an
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: 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 test but the vehicle wouldn’t remain on. I contacted dealership I purchased it fro
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 1 recall have been completed — free at any Genesis dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)