Is the 2018 Genesis G80 reliable?

The 2018 Genesis G80 has 114 complaints filed with NHTSA (8.8x the segment average). Our reliability verdict: avoid. Most common issue: ELECTRICAL problems.

What are common problems with the 2018 Genesis G80?

Top problems: ELECTRICAL (22 complaints, avg repair $500); OTHER (15 complaints, avg repair $500); STEERING (15 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2018 Genesis G80?

Yes, there are 6 recall(s): SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE, ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE, VISIBILITY:WINDSHIELD, AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION, ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID, 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 2018 Genesis G80?

The 2018 Genesis G80 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 2018 Genesis G80?

Estimated US average full-coverage insurance for the 2018 Genesis G80 is approximately $2,014/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.

2018 Genesis G80

Problems, Recalls & Reliability Report

Avoid This Year

Quick Summary

The 2018 Genesis G80 has 114 owner complaints filed with NHTSA — that's 8.8x the segment average of 13. The most common issue is electrical problems (19% of all complaints), specifically: the gps, radio and other electronic notification system are malfunctioning such that they either freeze up or give erroneous information beginning within minutes after the car is started. this has been going on for several weeks and the dealer' s service department claims it is a problem with sirius. There are 6 recalls issued for this model year.

13 crash reports 5 injuries

114

Total Complaints

Recalls Issued

5/5

Safety Stars

8.8x

vs Segment Avg

Known Problems(top 5 of 8)

ELECTRICAL

22 complaints

19%

• THE GPS, RADIO AND OTHER ELECTRONIC NOTIFICATION SYSTEM ARE MALFUNCTIONING SUCH THAT THEY EITHER FREEZE UP OR GIVE ERRONEOUS INFORMATION BEGINNING WITHIN MINUTES AFTER THE CAR IS STARTED. THIS HAS BEEN GOING ON FOR SEVERAL WEEKS AND THE DEALER' S SERVICE DEPARTMENT CLAIMS IT IS A PROBLEM WITH SIRIUS
• The oil pressure light comes on intermittently - often at low RPMs and then goes away at higher RPMs. It is a very expensive repair and appears to be just due to a faulty oil pressure sensor. The light causes issues because it covers up whether there is another more serious problem that needs at
• The contact owns a 2018 Genesis G80. The contact received notification of NHTSA Campaign Number: 24V107000 (Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The

Typical onset: 50K miles Est. repair: $500💥 3 crashes

“THE GPS, RADIO AND OTHER ELECTRONIC NOTIFICATION SYSTEM ARE MALFUNCTIONING SUCH THAT THEY EITHER FREEZE UP OR GIVE ERRONEOUS INFORMATION BEGINNING WITHIN MINUTES AFTER THE CAR IS STARTED. THIS HAS BEEN GOING ON FOR SEVERAL WEEKS AND THE DEALER' S SERVICE DEPARTMENT CLAIMS IT IS A PROBLEM WITH SIRIUS”

— NHTSA complaint filing

When Problems Appear on the 2018 Genesis G80

Based on 39 owner complaints that included an odometer reading. Median mileage at time of complaint: 15K miles. Most complaints cluster in the 0-30K miles range.

Overall complaint distribution by mileage

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

WHEELS

In line with typicalmedian 8K mi · 8 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

ENGINE

Later than typicalmedian 45K mi · 7 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

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 (6)

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE10/03/2021

Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis and 2017-2020 Genesis G80 vehicles. The Anti-Lock Brake System (ABS) module could malfunction and short circuit.

Risk: An electrical short circuit inside the ABS module could cause an engine compartment fire while parked or driving.

Fix: Owners are advised to park outside and away from structures until the remedy is complete. Hyundai will notify owners, and dealers will replace the ABS module fuse, free of charge. Owner notification letters were mailed July 6, 2021. Owners can contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 201 and 006G.

Fuel Cost Calculator for 2018 Genesis G80

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)

$3,201/yr

Highway driving (best-case MPG)

$1,920/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 2018 Genesis G80

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

$2,014

Full coverage / month

$168

Liability only / year

$668

vs US avg

+20%

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 rating0.94x

× vehicle age1.00x

= Full coverage estimate$2014

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

Maintenance & Warranty

Recommended Genesis G80 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 2018 G80, 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

ELECTRICAL(~50K mi)

$500

OTHER(~50K mi)

$500

STEERING(~50K mi)

$500

ENGINE(~50K mi)

$500

WHEELS(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 114 owner complaints for this specific year, here's what to check or ask about:

☐
ELECTRICAL: THE GPS, RADIO AND OTHER ELECTRONIC NOTIFICATION SYSTEM ARE MALFUNCTIONING SUCH THAT THEY EITHER FREEZE UP OR GIVE ERRONEOUS INFORMATION BEGINNING WITHIN MINUTES AFTER THE CAR IS STARTED. THIS HAS BEEN GOING ON FOR SEVERAL WEEKS AND THE DEALER' S SERVICE DEPARTMENT CLAIMS IT IS A PROBLEM WITH SIRIUS
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: THE 2018 GENESIS G80 SPORT COMES WITH THE CONTINENTAL PRO CONTACT TX TIRES. THESE TIRES HAVE A LOT OF ISSUES WITH THE SIDEWALLS. I HAD MY NEW CAR FOR LESS THAN 1000 MILES AND I ALREADY HAD TO CHANGE TWO OF THE TIRES.
Typically appears around 50K miles. Repair cost ~$500
☐
STEERING: 1)AUTONOMOUS EMERGENCY BRAKING (AEB) WITH PEDESTRIAN DETECTION - LOOKS LIKE IT IS WORKING IN 20-30% OF CASES, NEVER WORKING WITH PEDESTRIANS. SERVICE DECLARED EVERYTHING FINE, BUT REJECT DEMONSTRATE THIS. 2)LINE KEEP ASSISTS - PERIODICALLY DEPARTURE CAR FROM THE LINE, IT HAPPENS DURING PERFECT WEAT
Typically appears around 50K miles. Repair cost ~$500
☐
ENGINE: WENT TO THE DEALER TO REPORT A SMELL COMING OUT OF THE ENGINE AS WELL AS A SQUEAKING NOISE WHEN THE ACCELERATOR IS PRESSED EITHER STATIONARY OR IN MOTION. THE DEALER REPRESENTATIVE TOLD ME THAT THERE IS A RECALL ON THE CAR BUT THEY DON'T HAVE A REMEDY YET. I READ ABOUT THE RECALL. ON MY QUESTION 'WH
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 6 recalls have been completed — free at any Genesis dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)