Buyer Research

2018 Genesis G80 — Should You Buy One?

Typical asking price: $16,000–$25,000. There are 2 high-severity known issues you need to know before handing over a check.

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Kestrel Take

The second year of the G80 badge on what was the Hyundai Genesis sedan: a 3.8 V6, a 5.0 V8, or the new 3.3T Sport, rear- or all-wheel drive. The car is a lot of leather for the money and the record, 95 complaints, is not large — but six recalls sit on it, and two of them are engine-bay fires with a park-outside notice: a starter solenoid that shorts when water gets in, and an ABS module that can short while parked. The 3.3T adds two more recalls for a turbo oil pipe leaking onto the exhaust, and one owner had it leak again after the fix. The complaints that are not recall chasing are a steering wheel that sticks off-center through a curve, and an air conditioner that freezes up and blows warm after an hour. Buy one only after running the VIN on NHTSA yourself and seeing all six campaigns closed; a car with either fire recall open should not be in a garage, let alone in your driveway.

What we checked

Reconciled against public records, 2026-09-25

NHTSA holds 95 owner complaints for the 2018 Genesis G80, and 6 recall campaigns.

A big number here usually means a lot of these were sold, not that it is a bad vehicle — popular models collect more complaints for the same rate of trouble. So the total on its own says little. What is worth reading is the shape of it. The largest single group is electrics and electronics at 23%. That is notable without being overwhelming — worth checking, not worth panicking about.

6 recall campaigns cover this model year. Recalls are repaired free, for any owner, with no time limit on most safety campaigns — but only if someone books it in. Ask the seller to show it was done, or have any dealer check the VIN; it takes them a couple of minutes and costs nothing.

Counts come from the NHTSA complaint and recall database — free, public, and worth checking yourself.

Known Issues for the 2018 Genesis G80

Ranked by wallet impact. These are documented, recurring problems — not freak accidents. How we decide that.

Two engine-bay fire recalls — starter solenoid short and ABS module short, both with a park-outside notice (recalls)High — wallet impact

Recall 24V107 covers the starter: water gets into the solenoid, it shorts, and the engine bay can catch fire whether the car is parked or moving. Recall 21V160 covers the ABS control module, which can short internally and start a fire the same way. Both came with the instruction to park outside and away from buildings until fixed, and the biggest slice of this car's electrical complaints is owners waiting months for the starter relay kit to arrive at dealers in 2024. Both fixes are free — a relay kit in the fuse box for the starter, a new ABS module for the brakes. Run the VIN on NHTSA's recall lookup and do not accept a seller's word that it was done.

Repair cost: $0 with the recall — verify it was performed

Source: NHTSA complaints filed under electrics and electronics (22); 6 NHTSA recall campaigns on this model year.

3.3T turbo oil feed pipe leaks onto the exhaust manifold — two recalls, and one owner had it come back after the fixHigh — wallet impact

On the 3.3-liter twin-turbo Sport, recall 19V538 replaced the turbocharger oil supply pipe for a loose seal that let oil drip onto the exhaust manifold, and recall 24V191 went back for the left-side feed pipe deteriorating and leaking again. One owner had the first recall done in 2020, saw the same leak in late 2023, and was quoted out of pocket; another was towed after white smoke poured from under the car at 35 mph and the dealer found the turbo pipe seal gone. Only the 3.3T is affected. Check both recalls on the VIN, then look down the left side of the engine with a flashlight for wet, blackened metal near the turbo, and smell for burning oil after a hot run. The engine cluster also holds one owner whose car stalls at random while driving, so a stumble on the test drive matters.

Repair cost: $0 with the recall — verify it was performed; $400–$1,000 for the pipe outside the campaign

Source: NHTSA complaints filed under the engine (14); 6 NHTSA recall campaigns on this model year.

Steering wheel sticks off-center through a long curve and has to be pulled back straightMedium

The steering cluster is 16% of the record, two complaints with a crash, and the story is consistent: through a gentle curve at 25–40 mph the wheel stays where you put it and does not return to center on its own, so the car keeps drifting toward the shoulder until the driver hauls it back. Owners say there are no warning lights or stored codes and that dealers could not always reproduce it. On this platform the usual suspects are the intermediate shaft joint and the column, and on a car this heavy with a rack that does not self-center, an unrelated shake over bumps is also reported. Drive a winding road at moderate speed and take your hands lightly off the wheel exiting each bend; it should come back on its own every time.

Repair cost (estimate): $300–$1,200 for a steering column or intermediate shaft

Source: NHTSA complaints filed under steering (15).

Air conditioner freezes up and blows warm air after an hour in hot weatherMedium

Several owners in Florida and Texas describe the same pattern: cold air for about an hour, then the blower keeps running but the air turns warm, with no warning message. That is an evaporator icing over — typically a low refrigerant charge, a stuck expansion valve or a failed evaporator temperature sensor — and it clears once the ice melts, which is why it comes back the next long drive. It will not show up on a fifteen-minute test drive. Ask directly whether the air has ever gone warm on a long trip, and have a shop check the charge and the evaporator sensor before summer.

Repair cost (estimate): $150–$900 depending on whether it is a sensor, a valve or a leak

Source: NHTSA complaints filed under electrics and electronics (22).

Passenger seat sensor may treat an empty seat as an adult and arm the airbag over a child (recall)Medium

Recall 18V496 is a reprogram of the occupant classification system, which could read the front passenger seat as holding an adult even when it was empty — so with a child seat in front the airbag might fire instead of switching off. The fix is free software. Beyond the recall, the airbag cluster holds nine complaints, six of them filed after a crash with no deployment, and one owner reports code B1378 in the airbag circuit after a collision; none of that is something a buyer can inspect for. Confirm the recall on the VIN, then sit in the passenger seat and watch the airbag-off light behave correctly with the seat empty and occupied.

Repair cost: $0 with the recall — verify it was performed

Source: NHTSA complaints filed under airbags (9); 6 NHTSA recall campaigns on this model year.

Windshield and rear glass may have been bonded with the wrong primer (recall), and the 3G connected services are switched offLow

Recall 18V305 replaced the front and rear glass on some early cars because the wrong primer was used and the bond could weaken over years. It is free and most cars had it done in 2018–2019; check it on the VIN like the rest. Separately, this car's telematics ran on a 3G modem and Genesis ended connected services for the 2017–2019 cars at the end of 2022, so the remote start, app and SOS features on the window sticker do not work and the fix is not free. Do not pay extra for a Connected Services badge on this year.

Repair cost: $0 with the recall — verify it was performed

Source: 6 NHTSA recall campaigns on this model year.

Walk-Away Red Flags

  • ✗Any of the six recalls showing open on the NHTSA VIN lookup, especially the starter or ABS fire campaigns
  • ✗Steering wheel that stays turned after a curve and needs pulling back to center
  • ✗Wet or blackened metal near the left turbo on a 3.3T, or a burnt-oil smell after a hot run
  • ✗Seller of a Florida or Texas car who cannot say whether the air conditioning holds up on a long drive
  • ✗A stumble, surge or stall at idle during the test drive

Good Signs

  • ✓All six recalls shown closed on the NHTSA VIN lookup, with the starter relay kit and ABS module on a dealer invoice
  • ✓Steering wheel that returns to center on its own after every bend on a winding road
  • ✓Dry turbo oil feed lines on a 3.3T with the recall pipe replaced on a dated invoice
  • ✓Air conditioning documented repaired, or a two-hour drive in the heat with cold air throughout
  • ✓Genesis dealer service history from new

Found a specific Genesis G80?

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Known issues on this page are based on documented owner reports, NHTSA complaints, class-action records, and manufacturer technical service bulletins. Individual vehicles vary. A pre-purchase inspection by a trusted mechanic is always worth doing.

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