INFINITI QX80 problems
Light NHTSA footprint — 8 owner complaints. Either a clean record or thin data; we'll show what's there.
Limited NHTSA data — only 8 complaints on file. The score reflects what's reported, but a small sample skews easily.
Only 8 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data.
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.
Top trouble spots 1 category with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
The plastic trim on the steering wheel that is colored to match the other plastic trim in the car has cracked at the 2:00 clock position. The cracked plastic sometimes lifts when turning the wheel which I feel may cause an accident. I have not had it inspected by the dealer of…
The dashboard bulbs went out from 0-40 mph and 6-8 rpms. It seems to be a common issue on Reddit and I have found complaints on the internet.
The contact wife owns a 2018 Infiniti QX80 AWD. The contact stated that the Telematics Control Unit (TCU) of the vehicle operated in 3G however, the AT&T servers were shutting down causing the functionality of the TCU to become inoperable. The vehicle was not taken to a dealer.…
Similar to other complaints, the instrument cluster lighting is beginning to go dim or completely out starting at the high end of the RPM gauge and the low end of the speedometer gauge. This is an issue during night time driving.
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Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2018 Infiniti QX80 reliable?
Limited NHTSA data. Only 8 owner complaints have been filed for the 2018 Infiniti QX80, which is not enough for a meaningful reliability score. Active recalls (if any) are listed on this page and remain authoritative — those are verified defects regardless of complaint volume. For a confident reliability read we look for at least 10 owner complaints in the federal database.
Should you avoid the 2018 Infiniti QX80?
Only 8 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data. We don't issue a buy/avoid verdict on the 2018 INFINITI QX80 without a meaningful complaint sample — doing so off a handful of filings would be guesswork.
What's the most common problem on the 2018 Infiniti QX80?
Based on NHTSA records, the most-reported issue is electrical, with 4 complaints filed. Typical failure occurs around 25,000 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 25,000 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Infiniti QX80 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 Infiniti QX80?
Hard to say from NHTSA data alone with only 8 complaints on file. A quality service contract runs $1,800–3,500 over 3 years. The decision comes down to your specific situation: vehicle cost, miles on it, how long you plan to keep it, and whether you can absorb a $3K–$8K repair without straining cashflow. With limited public data on this vehicle, lean on the recall list above and check owner forums before committing.