INFINITI QX80 problems
Light NHTSA footprint — 17 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.
Top trouble spots 2 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
I purchased a 2015 Infiniti QX80 on March 31, 2021. Since the purchase, I have only driven it approximately 6,000 miles and the check engine light has already come on. I took it to the dealership and they stated that both Catalytic Converters need to be replaced. This vehicle is…
The most glaring safety issue caused by below is the SUV will try to move forward on its own while stopped and the brakes pressed that can potentially cause a fender bender. Infiniti/Nissan 5.6L engines have a history of failed or failing viscous cooling fan clutches. This…
First I want to make it clear that I love my vehicle, however it has an issue with starting the engine occassionaly. In the beginning I was blaming it on the battery, I had that checked several time and all seemed to be ok? After several times of this happening I decided I was…
This vehicle has an issue with uncontrolled acceleration when I first take off. With my brake pedal applied the engine RPM is approx. 550, which is in specs. As soon as I release the brakes the RPM jumps to 1100 RPM and the vehicle takes off on it's on. My vehicle has been to…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2015 Infiniti QX80 reliable?
Mostly yes. With a reliability score of 8.6 out of 10 based on 17 owner complaints filed with NHTSA, the 2015 Infiniti QX80 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 2015 Infiniti QX80?
On the NHTSA data, the 2015 INFINITI QX80 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's the most common problem on the 2015 Infiniti QX80?
Based on NHTSA records, the most-reported issue is airbags, with 4 complaints filed. Average repair cost runs about $1,100 at an independent shop.
What's the most expensive thing that goes wrong?
The airbags is one of the costlier repair items. Average repair cost runs about $1,100 at an independent shop. 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 2015 Infiniti QX80?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 17 complaints on file and the costliest repair averaging $1,100, 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.