2018 Genesis G90
Problems, Recalls & Reliability Report
Quick Summary
The 2018 Genesis G90 has 21 owner complaints filed with NHTSA — that's 3.0x the segment average of 7. The most common issue is electrical problems (24% of all complaints), specifically: car was completely dead three times, luckily it happened in garage, and was towed to dealer. never fixed properly had to get rid of unreliable, unsafe car.. There are 4 recalls issued for this model year.
21
Total Complaints
4
Recalls Issued
—/5
Safety Stars
3.0x
vs Segment Avg
Known Problems(top 5 of 8)
ELECTRICAL
5 complaints- • CAR WAS COMPLETELY DEAD THREE TIMES, LUCKILY IT HAPPENED IN GARAGE, AND WAS TOWED TO DEALER. NEVER FIXED PROPERLY HAD TO GET RID OF UNRELIABLE, UNSAFE CAR.
- • On 01/16/22 at approximately 2305 hours, I was driving north on PA 743. I was traveling approximately 40 MPH in a posted 55 MPH zone due to snowy weather conditions. One adult was in the front passenger seat, 2 children were in car seats in the rear driver and passenger side. The road was level and
- • 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 local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of
“CAR WAS COMPLETELY DEAD THREE TIMES, LUCKILY IT HAPPENED IN GARAGE, AND WAS TOWED TO DEALER. NEVER FIXED PROPERLY HAD TO GET RID OF UNRELIABLE, UNSAFE CAR.”
— NHTSA complaint filing
When Problems Appear on the 2018 Genesis G90
Based on 11 owner complaints that included an odometer reading. Median mileage at time of complaint: 6K miles. Most complaints cluster in the 0-30K miles range.
Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.
Recalls (4)
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.
Risk: Oil leaking onto the exhaust manifold increases the risk of a fire.
Fix: 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.
Fuel Cost Calculator for 2018 Genesis G90
Live EIA pricesBased 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 → todaySource: US Energy Information Administration weekly retail gasoline prices.
Estimated Insurance Cost for 2018 Genesis G90
How this estimate is calculated
Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.
Maintenance & Warranty
Recommended Genesis G90 Service Intervals
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
Complimentary scheduled maintenance for 3 years/36,000 miles
These are the terms for a new Genesis. If you're buying a used 2018 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
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 21 owner complaints for this specific year, here's what to check or ask about:
- ☐ELECTRICAL: CAR WAS COMPLETELY DEAD THREE TIMES, LUCKILY IT HAPPENED IN GARAGE, AND WAS TOWED TO DEALER. NEVER FIXED PROPERLY HAD TO GET RID OF UNRELIABLE, UNSAFE CAR.
Typically appears around 50K miles. Repair cost ~$500
- ☐ENGINE: MY CAR HAS BEEN RECALLED PURSUANT TO NHTSA RECALL NUMBER 19V-538. DESPITE MAKING FOUR SEPARATE ATTEMPTS, I HAVE BEEN UNABLE TO GET GENESIS TO PERFORM THE RECALL. THE DEALERSHIP FROM WHICH I PURCHASED THE CAR HAS GONE OUT OF BUSINESS. I HAVE CONTACTED THE MANUFACTURER TWICE, BUT DESPITE PROMISES, THE
Typically appears around 50K miles. Repair cost ~$500
- ☐FUEL SYSTEM: GENESIS HAS BEEN IGNORING AN ACCELERATION PROBLEM I'VE MADE COMPLAINTS. ; KHOI NUOEN (GENESIS CUSTOMER CARE). RESPONDED AFTER A WEEK OF INVESTIGATION ' ENGINEERS AWARE OF HESITATION PROBLEM. THERE IS NOTHING WE CAN DO 'YOU ARE GOING TO HAVE TO GET USED TO IT.'; I AM CLOSING YOUR CASE'. 6/25/1
Typically appears around 50K miles. Repair cost ~$500
- ☐TRANSMISSION: THERE GEAR SHIFTER WILL FREQUENTLY NOT SELECT R OR D. IT OFTEN TAKES 3 OR MORE ATTEMPTS BEFORE IT WILL STAY IN GEAR. THIS IS VERY DANGEROUS WHEN MAKING A 3 POINT TURN MANEOUVER AND VERY INCONVENIENT AT OTHER TIMES. THIS FAULT OCCURS EVERY DAY. THE DEALER ATTEMPTED TO ADJUST THE SHIFTER WITHOUT SUCC
Typically appears around 50K miles. Repair cost ~$500
- ☐RECALLS: Verify all 4 recalls have been completed — free at any Genesis dealer
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Genesis G90 — Year Comparison
How does 2018 compare to other years? Fewer complaints = more reliable.
NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 21
- Recalls
- 4
- Fire reports
- 0
- Crash reports
- 3
- Injury reports
- 0
- Segment avg
- 7
Check a Specific VIN
See recalls for YOUR 2018 Genesis G90