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ProblemsByVinFile / 2018-GENESIS-G80NHTSA data synced 5 days ago
Genesis
2018 Genesis G80 problems
The 2018 Genesis G80 has 94 NHTSA owner complaints and 6 active recall campaigns on file. Here's the breakdown — what's serious, what's noise, and what a working mechanic would actually do about it.
The 2018 Genesis G80 has 94 NHTSA owner complaints and 6 recalls on file (U.S. federal records, as of August 2026). The most-reported system is electrical at 18 complaints, typically surfacing around 51,000 miles (~$850 to repair). Source: NHTSA Office of Defects Investigation.
Average for the segment. Some recurring trouble spots worth knowing about.
0
Critical
6
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 6.6/10 — around the segment average
6 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.
NHTSA crash-test safety ratings
5 / 5 overall
Overall★★★★★5/5
Frontal crash★★★★★5/5
Side crash★★★★★5/5
Rollover★★★★★5/5
Driver-assist features on the tested model:
Electronic stability control: Standard · Forward collision warning: Standard & Optional · Lane departure warning: Standard
Source: NHTSA New Car Assessment Program — tested configuration: 2018 Genesis G80 4 DR RWD. Stars rate crash protection in NHTSA's tests, not overall reliability — see the owner-complaint data below for what actually goes wrong.
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 — 6 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 6.6/10 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 2018-2020 Genesis G80, 2017-2022 G90, and 2019-2022 G70 vehicles equipped with a 3
An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire.
Fix: 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.
Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis, 2017-2019 Genesis G80, Genesis G90, and 2019 Genesis G70 vehicles
An engine compartment fire while parked or driving can increase the risk of injury.
Fix: 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).
Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis and 2017-2020 Genesis G80 vehicles
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.
It's got known weak points. With a reliability score of 6.6 out of 10 based on 94 owner complaints filed with NHTSA, the 2018 Genesis G80 has a higher-than-average rate of reported issues. The areas to watch are listed above. Whether it's worth owning depends on price, condition, and how much repair exposure you can absorb.
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 6.6/10 — around the segment average; 6 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 6.6 out of 10 on our NHTSA-based read of 94 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 94 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 5 days 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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