2023 Genesis G90 MHEVFuel Economy & MPG Ratings

Hybrid Large CarsAll-Wheel Drive
City
17
MPG
Highway
24
MPG
Combined
20
MPG

Trim Comparison

Automatic (S8)
Premium Hybrid
City
17
Hwy
24
Comb
20
Fuel cost: $4,100/yr
Annual Fuel Cost
$4,100

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-8,500

vs. average new vehicle

EPA Fuel Economy Score: 4/10
GHG Score: 4/10

Environment

CO₂ Tailpipe Emissions
441 g/mile
Annual Petroleum Consumption
14.9 barrels

Specifications

Engine
3.5L 6-cyl
Transmission
8-speed Automatic
Drivetrain
AWD
Body Style
Sedan

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
3.5L, 6-cylinder
Induction Type
Direct Injection
Efficiency Tech
Auto Start-Stop
Fuel Type
Premium Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$3,368/yr
California
$5.957/gal$4,468/yr
Texas
$3.888/gal$2,916/yr
Florida
$4.136/gal$3,102/yr
New York
$4.522/gal$3,392/yr
Ohio
$4.510/gal$3,383/yr
Washington
$5.591/gal$4,193/yr
Colorado
$4.618/gal$3,464/yr
Minnesota
$4.344/gal$3,258/yr
Massachusetts
$4.448/gal$3,336/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 20 MPG combined. Regular gasoline prices. Actual costs vary.

NHTSA Safety Ratings

Source: NHTSA (nhtsa.gov)

Safety Equipment

Forward Collision Warning: StandardLane Departure Warning: Standard
5
Owner Complaints
6
Recalls
0
Investigations

Recall History6

Source: NHTSA

Owner-Reported Problems5 complaints

Source: NHTSA

NHTSA has received 5 owner complaints for the 2023 Genesis G90 MHEV. Top reported issues include seat belts, fuel system and electrical system. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Seat Belts
2
Fuel System
2
Electrical System
1
Power Train
1

2023 Genesis G90 MHEV problems by category: Seat Belts: 2 complaints, Fuel System: 2 complaints, Electrical System: 1 complaints, Power Train: 1 complaints.

1
Crashes Reported
0
Fires Reported
0
Injuries Reported

Sample Owner Complaints

Seat BeltsFiled: 10/30/2025ODI#11696688
Seatbelt disengage on its own. I noticed my seatbelt disengaged the other day while I was in a drive thru. I was not driving at the moment I was waiting in the line. I know the seatbelt had been latch…
Power TrainFiled: 06/13/2025ODI#11666674
Similar to the GV80 issue, when the vehicle decelerates from 80 to 70 there is a loud whining noise coming from the vehicle.
Fuel SystemFiled: 05/03/2024ODI#11586849
PROBLEM: It has happened multiple times (about 20-25 times since the purchase of the vehicle in November 2022), always while having the engine running from a stop (variable stop length); when pressing…

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

Related

Genesis G90 MHEV MPG History
See how this model's fuel economy changed by year

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