Genesis G90 problems
Light NHTSA footprint — 16 owner complaints. Either a clean record or thin data; we'll show what's there.
Above-average reliability for the segment. Few systemic issues on file.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 8.6/10 — above the segment average
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 G90? 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 — 5 owner reports · tends to show around 14,000 mi · ~$850 to fix
⚠ The one to take seriously: electrical is flagged severe on this model , showing up around 14,000 mi. Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 8.6/10 model. The priciest documented failure is electrical (~$850) — 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.
See the full pre-purchase inspection checklist →Ask anything about your 2018 Genesis G90
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.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Top trouble spots 1 category with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
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…
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.
vehicle went dead. replaced the battery. Started after replacement but went dead a few days later. Towed to dublin CA genesis. Diagnosed as water corrosion to wiring harness. vehicle has less than 22000 miles, other than car washes and normal winter driving in CA. Genesis does…
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 contact stated that the manufacturer had exceeded a reasonable amount of time for…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2018 Genesis G90 reliable?
Mostly yes. With a reliability score of 8.6 out of 10 based on 16 owner complaints filed with NHTSA, the 2018 Genesis G90 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 G90?
On the NHTSA data, the 2018 Genesis G90 does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.6/10 — above the segment average. 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 G90?
Inspect the electrical first — it's the most-reported issue on this model, with 5 owner complaints filed. Typical failure occurs around 14,000 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 G90 a good used car to buy?
It scores 8.6 out of 10 on our NHTSA-based read of 16 owner complaints. The main thing to watch is electrical. Typical failure occurs around 14,000 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 G90?
Based on NHTSA records, the most-reported issue is electrical, with 5 complaints filed. Typical failure occurs around 14,000 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 14,000 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Genesis G90 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 G90?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 16 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.