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ProblemsByVinFile / 2018-GENESIS-G80NHTSA data synced 2 hours ago
2018 · Genesis
Genesis G80 problems
92 owner complaints and 3 active recall campaigns on file. Here's the breakdown — what's serious, what's noise, what a working mechanic would actually do about it.
Reliability score
7.2 / 10
Solid reliability overall. Common issues are concentrated in a few systems.
0
Critical
3
Severe
0
Moderate
Should you avoid this 2018 G80?
Acceptable — with caveats
Worth owning if you verify the specific issues below before you buy.
Reliability score 7.2/10 — around the segment average
3 recall campaigns on file
Our read of the federal NHTSA complaint and recall record for this exact year and model —
not a substitute for a pre-purchase inspection. How we score.
Buying a used 2018 Genesis G80? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or
make the seller fix it before you sign.
What to inspect on this specific car
electrical — 18 owner reports
· tends to show around 51,000 mi · ~$850 to fix
steering — 15 owner reports
· tends to show around 70,000 mi · ~$700 to fix
engine — 11 owner reports
· tends to show around 43,888 mi · ~$3,100 to fix
wheels — 8 owner reports
· tends to show around 9,858 mi · ~$400 to fix
⚠ The one to take seriously: electrical is flagged
severe on this model
, showing up around 51,000 mi.
Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — 3 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 7.2/10 model. The priciest documented failure is
engine (~$3,100) — get the
seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report
tells you what this exact car has been through. Smart buyers get both.
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in
this vehicle's actual NHTSA record, not generic advice.
Dash light, leak, worn part — snap it and we'll read it against this car's record.
Photo attached — type a question or just hit Ask.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
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What owners are saying
recent NHTSA-filed complaints · verbatim
2018 G80· steering
Steering becomes unresponsive after highway speed for an hour or more. Feels like sticking or binding (loss of power assist?) and considerable effort needed to adjust vehicle direction. Most notable on exit ramps. Several times I came close to going off an exit ramp onto the…
My 2018 G80 3.8L HTRAC steering is sticking. When I turn the steering wheel slight right, like through a 25mph curve, the wheel will stay in that position until, I pull it back to straight.
Genesis installed dated technology (3G modules) for their connected services knowing 3G was being discontinued within 4 years of installing the technology. On December 31, 2022, Genesis will cease providing connected services to this car and model years 2017-2019. Genesis…
Had a problem with your 2018 Genesis G80?
File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 vehicles
In the event of a crash, if the front passenger air bag deploys instead of being deactivated when a child or infant are in the front passenger seat, it can increase the risk of injury.
Fix: Hyundai will notify owners, and dealers will reprogram the OCS, free of charge. The recall began August 24, 2018. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 002G.
Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 and 2017-2018 Genesis G90 vehicles equipped with 3
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.
Hyundai Motor America (Hyundai) is recalling certain 2018 Hyundai Genesis G80 and Genesis G90 vehicles
If the glass bonding strength is reduced over time, the windshield and rear window may detach while driving, increasing the risk of a crash.
Fix: 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.
Under investigation
1 open at NHTSA
AQService Brakes, Hydraulic › Antilock/Traction Control/Electronic Limited Slip · opened November 2023
NHTSA has an open defect investigation covering this vehicle — the step that can precede a recall, not a finding of fault. AQ23002 on NHTSA →
Mostly yes. With a reliability score of 7.2 out of 10 based on 92 owner complaints filed with NHTSA, the 2018 Genesis G80 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2018 Genesis G80?
The 2018 Genesis G80 is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 7.2/10 — around the segment average; 3 recall campaigns on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2018 Genesis G80?
Inspect the electrical first — it's the most-reported issue on this model, with 18 owner complaints filed. Typical failure occurs around 51,000 miles. Average repair cost runs about $850 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2018 Genesis G80 a good used car to buy?
It scores 7.2 out of 10 on our NHTSA-based read of 92 owner complaints. The main thing to watch is electrical. Typical failure occurs around 51,000 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2018 Genesis G80?
Based on NHTSA records, the most-reported issue is electrical, with 18 complaints filed. Typical failure occurs around 51,000 miles. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 51,000 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Genesis G80 has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2018 Genesis G80?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 92 complaints on file and the costliest repair averaging $850, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.
Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database, last synced 2 hours ago. Verify the raw federal record at
nhtsa.gov/vehicle/2018/Genesis/G80.
Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics.
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