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2018 Genesis G90 5.0 Ultimate AWD

The 2018 Genesis G90 5.0 Ultimate AWD is a 420-hp 5.0-liter V8 with an 8-speed automatic and all-wheel drive. It starts at $74,350 MSRP and is rated at 18 mpg combined.

It makes 420 horsepower at 6,000 rpm and 383 lb-ft of torque. EPA fuel-economy estimates are 15 mpg city and 23 mpg highway (18 mpg combined).

The G90 measures 204.9 inches long on a 124.4-inch wheelbase and has a curb weight of 4,905 lb.

Spec Value
Vehicle
Body TypeSedan
PowertrainGas
Price
MSRP$74,350
MSRP with Destination$75,345
Destination Charge$995
Engine
Engine Type5.0L DOHC 32-valve V8 Dual CVVT GDI TIS
Displacement5 L
Horsepower420 hp @ 6,000 rpm
Torque383 lb-ft @ 5000 rpm (premium fuel) rpm
ValvetrainDOHC 32-valve Dual CVVT
Bore and Stroke96.0 x 87.0
Compression Ratio12.0:1
Injection TypeGasoline Direct Injection (GDI)
Drivetrain
Drive TypeAWD
Transmission
Transmission8-speed automatic with SHIFTRONIC
Fuel Economy
City15 MPG
Highway23 MPG
Combined18 MPG
Recommended FuelPremium Gasoline
Tank Capacity21.9 gal
Tires & Wheels
Wheels Front19-in. chrome aluminum alloy
Wheels Rear19-in. chrome aluminum alloy
Tires FrontP245/45R19
Tires RearP275/40R19
Dimensions & Weight
Length204.9 in
Width75.4 in
Height58.9 in
Wheelbase124.4 in
Front Track64.6 in
Rear Track64.5 in
Ground Clearance5.1 in
Cargo Volume15.7 ft³
Curb Weight4,905 lbs
Interior
Headroom Front41.1 in
Headroom Rear38 in
Legroom Front46.3 in
Legroom Rear37.8 in
Shoulder Room Front59.1 in
Shoulder Room Rear57.9 in
Hip Room Front56.5 in
Hip Room Rear55 in

Safety & Recalls

NCAP safety ratings

Tested, but no star ratings were published (2018 Genesis G90 4 DR AWD).

Recalls

4 recalls on file with NHTSA for the 2018 Genesis G90. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Mar 8, 2024 · ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

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.

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

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.

NHTSA campaign 24V191000

Feb 13, 2024 · ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID Park outside

Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis, 2017-2019 Genesis G80, Genesis G90, and 2019 Genesis G70 vehicles. Water may enter the starter solenoid and cause an electrical short, which can result in an engine compartment fire while parked or driving.

Consequence: An engine compartment fire while parked or driving can increase the risk of injury.

Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will install a remedy relay kit in the engine junction box, free of charge. Owner notification letters were mailed July 15, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 254(H) and 018G(G).

NHTSA campaign 24V107000

Jul 19, 2019 · ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 and 2017-2018 Genesis G90 vehicles equipped with 3.3 liter turbocharged engines. The turbocharger oil supply pipe may have a loose seal, causing oil to leak onto the exhaust manifold.

Consequence: Oil leaking onto the exhaust manifold increases the risk of a fire.

Remedy: Hyundai will notify owners, and dealers will replace the turbocharger oil supply pipe, free of charge. The recall began October 3, 2019. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 003G.

NHTSA campaign 19V538000

May 10, 2018 · VISIBILITY:WINDSHIELD

Hyundai Motor America (Hyundai) is recalling certain 2018 Hyundai Genesis G80 and Genesis G90 vehicles. The windshield and rear window on these vehicles may have been installed with incorrect primer, potentially reducing the glass bonding strength.

Consequence: If the glass bonding strength is reduced over time, the windshield and rear window may detach while driving, increasing the risk of a crash.

Remedy: Hyundai will notify owners, and dealers will replace the front and rear glass, free of charge. The recall began on July 6, 2018. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 001G.

NHTSA campaign 18V305000

16 owner complaints to NHTSA for the 2018 Genesis G90

Owner Complaints

16 owner complaints filed with NHTSA for the 2018 Genesis G90 (1 mention a crash). See all on nhtsa.gov

Most-cited areas
Electrical System5
Engine4
Fuel/Propulsion System2
Power Train2
Unknown Or Other2
Air Bags1
A complaint can cite more than one area.
Most recent complaints
May 27, 2025 · Tires
“ProContact GX-SSR CONT M 2754019 SL101H SL BSW”
Jul 22, 2024 · Electrical System, Engine
“vehicle went dead. replaced the battery. Started after replacement but went dead a few days later. Towed to dublin CA genesis. Diagnosed as water corrosion to wiring harness. vehicle has less than…”
Jul 2, 2024 · Electrical System
“The contact owns a 2018 Genesis G90. The contact received notification of NHTSA Campaign Number: 24V107000 (Electrical System); however, the part to do the recall repair was not yet available. The…”
May 13, 2024 · Electrical System
“The contact owns a 2018 Genesis G90. The contact received notification of NHTSA Campaign Number: 24V107000 (Electrical System) however, the part to do the recall repair was not yet available. The…”
Jan 4, 2023 · Latches/Locks/Linkages
“The internal trunk release latch will not open the trunk. A person inside the trunk compartment may become trapped, increasing their risk of injury. - The trunk latch failed. It is available for…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2018 GENESIS G90. US-market vehicles only; data cached for up to 7 days.

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