GenesisG902026Overview/genesis/g90/2026/base/

2026 Genesis G90

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2026 G90.

Transmission Automatic (S8)

The 2026 Genesis G90 utilizes an S8 automatic transmission and achieves an EPA-rated fuel economy of 18 city, 26 highway, and 21 combined mpg. This model year is part of a complaint history spanning 2017 to 2026, which saw a high of 24 complaints in 2017. With a low of 2 complaints recorded in 2020, the model's reliability history demonstrates a significant variance in reported issues over time.

Model year202620252024202320222021202020192018

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

EPA fuel economy18/26/21 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (S8)

Dimensions & weight NHTSA vPIC

Overall length207.9 in
Overall width58.7 in
Overall height76 in
Wheelbase125.2 in
Curb weight4859 lb
Track (front / rear)64.6 / 64.6 in
Weight distribution (front / rear)51/49

Ratings & economy EPA / vPIC

EPA city / highway / combined18 / 26 / 21 mpg
DrivetrainAll-Wheel Drive
Passenger volume109 cu ft
Cargo volume12 cu ft
Recommended fuelPremium Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the G90 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

4.9–5.4 sec0–60 mph (tested)quickest 4.90 sec — 2023 3.5T e-Supercharger Sedan
YearTrim / engine0–60¼ mileHPDrivetrain
20233.5T e-Supercharger Sedan 3.5L Twin-Turbo V6 + Elec4.90 sec13.50 sec409 hpAWD
20233.5T e-Supercharger Sedan 3.5L Twin-Turbo V6 + Elec5.10 sec13.70 sec409 hpAWD
20233.5T e-Supercharger Sedan 3.5L Twin-Turbo V6 + Elec5.40 sec13.90 sec409 hpAWD

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

2
Open recalls
NHTSA campaigns
9
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
0
Owner complaints
0 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

25V833000Electrical System:AdasReported 02/12/2025

Hyundai Motor America (Hyundai) is recalling certain 2023-2026 Genesis G90 vehicles. The Highway Drive Assist (HDA) corner radar may falsely detect another vehicle, which can result in sudden, unintended braking while… Remedy: Owners are advised not to use the Highway Drive Assist feature until the remedy has been performed. Dealers will replace the front bumper beam, free of charge. Owner notification…

26V218000Seat Belts:Front:AnchorageReported 06/04/2026

Hyundai Motor America (Hyundai) is recalling certain 2023-2025 Hyundai Ioniq 6, 2023-2026 Genesis G90, 2024-2026 Hyundai Santa Fe, and Hyundai Santa Fe Hybrid vehicles. The driver and passenger seat belt anchors may… Remedy: Dealers will inspect and reinforce or replace the seat belt anchors, as necessary, free of charge. Owner notification letters were mailed beginning May 29, 2026. Owners may…

Technical service bulletins NHTSA · verified

Showing 5 of 9 bulletins on record with NHTSA.

BulletinDateComponentSummary
26-01-049G DCS2026-06-02Unknown Or OtherCertain G80 (RG3) and G90 (RS4) vehicles equipped with the 2.5T‑GDI Theta III or 3.5T‑GDI…
26-01-049G TSB2026-06-02Unknown Or OtherCertain G80 (RG3) and G90 (RS4) vehicles equipped with the 2.5T‑GDI Theta III or 3.5T‑GDI…
26-GI-002G TSB2026-05-27Electrical SystemThis bulletin provides information related to the navigation and head unit software…
DTN DL2026-04-10Air BagsThe National Highway Traffic Safety Administration (NHTSA) has identified the presence of…
DTN DCS2026-04-10Air BagsThe National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific G90. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 2026 G90 have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the G90 get?

EPA figures are 18 city / 26 highway / 21 combined mpg.