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Severe Issues

2018 Infiniti Qx80: Is It Reliable?
Problems, Recalls & Buyer Verdict

Shopping for a used 2018 Infiniti Qx80? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 8 complaints, with Electrical Faults as the top reported area.

8
Complaints
1
Crashes
β€”
Fires
1
Injuries
β€”
Deaths
1
Recalls

2018 Infiniti Qx80 Fuel Economy

βœ“ EPA Official Data

EPA-rated fuel economy across 2 2018 Infiniti Qx80 trim configurations. The median figure is shown; range reflects all available trims.

14
MPG City
13–14 range
20
MPG Hwy
19–20 range
16
MPG Combined
15–16 range
547
g COβ‚‚/mile
Premium Gasoline
⚠️Costs $13,500 more than avg vehicle over 5 years

Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 2 trims analysed.

2018 Infiniti Qx80 Safety Ratings

NHTSA 5-Star Program2 variants tested β€” showing 2018 Infiniti QX80 SUV AWD

Official crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.

Overall

Not Rated

21.6% rollover risk

Frontal Crash

Not Rated

Side Crash

5/5

Rollover

3/5

21.6% probability

βœ“Stability Control: Standardβ—‹Forward Collision Warning: Noβ—‹Lane Departure Warning: No

Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.

Quick Answer

Based on NHTSA complaint data, the 2018 Infiniti Qx80 has 8 owner complaints, 1 crash-related complaints, and 1 recall campaign on record. The most frequently reported component is Electrical Faults. NHTSA reliability signal: Severe Issues.

2018 Infiniti Qx80 β€” key reliability facts
Make
Infiniti
Model
Qx80
Model year
2018
NHTSA owner complaints
8
Crash-related complaints
1
Safety recall campaigns
1
Top reported component
Electrical Faults
Reliability signal
Severe Issues
EPA MPG combined
16
EPA MPG city / highway
14 / 20
Fuel type
Premium Gasoline
NHTSA side crash rating
5/5 stars
NHTSA rollover rating
3/5 stars
Electronic stability control
Standard

Most Common 2018 Infiniti Qx80 Problems

Top owner-reported complaint areas and where they often appear.

#1
4
complaints

Electrical Faults

#2
2
complaints

Airbag Malfunctions

Crash-related:1
Injuries:1
#3
1
complaints

Headlight/Taillight Failures

Complaint patterns center on Electrical Faults, Airbag Malfunctions, Headlight/Taillight Failures. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.

Should You Buy a Used 2018 Infiniti Qx80?

The 2018 Infiniti Qx80 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.

Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.

What to Check Before Buying a Used 2018 Infiniti Qx80

Inspection Focus

  • Inspect electrical systems, including battery, alternator, and wiring.
  • Verify all open recalls at nhtsa.gov/recalls.
  • Request service records for airbag and electrical repairs.
  • Have a mechanic inspect the vehicle before purchase.

Before You Close the Deal

  • Inspect electrical systems, including battery, alternator, and wiring.
  • Verify all open recalls at nhtsa.gov/recalls.
  • Request service records for airbag and electrical repairs.
  • Have a mechanic inspect the vehicle before purchase.

Shortlist with model-year data. Decide with the exact VIN.

Before buying a used 2018 Infiniti Qx80, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.

What the Complaint Data Suggests

Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology

Based on 8 complaints for the 2018 INFINITI QX80, issues appear concentrated in electrical faults and airbag malfunctions. One crash-related complaint was reported, and there is one recall. The low complaint volume limits confidence in these patterns.

Key Findings
  • Electrical faults account for half of all complaints (4 out of 8).
  • Airbag malfunctions are the second most reported issue with 2 complaints.
  • One crash-related complaint was recorded.
Top Concerns
  • Electrical Faults
  • Airbag Malfunctions
  • Headlight/Taillight Failures
Data note: NHTSA complaints are consumer-submitted and do not confirm a manufacturing defect. Only 8 complaints for a single model year provide a very small sample size. Confidence level is Low due to limited data.

All 2018 Infiniti Qx80 Complaints by Category

Every owner-reported complaint category filed with NHTSA for the 2018 Infiniti Qx80. Use this as a pre-purchase inspection checklist.

ComponentComplaintsCrashesFiresAvg MileageVolume
Electrical Faults4β€”β€”β€”
Airbag Malfunctions21β€”β€”
Headlight/Taillight Failures1β€”β€”β€”
Steering Defects1β€”β€”β€”
Uncategorized Issues1β€”β€”β€”
Communication1β€”β€”β€”
Seat Belt Issues11β€”β€”

Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.

Real Owner Complaints

Read what owners actually reported to NHTSA for the 2018 Infiniti Qx80. Type a keyword (e.g. β€œtransmission”, β€œstalling”, β€œbrakes”) to filter.

Showing 8 most recent complaints

Electrical FaultsSep 9, 2024

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.

Electrical FaultsAug 12, 2024

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.

Electrical FaultsJan 12, 2024

The primary instrument gauge for the QX80 starts to lose illumination from around the speedometer and tachometer. The vehicle has 55,000 miles and is a 2018 model. This is the SECOND time this has happened, with the instrument gauge being replaced first at approximately 32,000 …

Steering DefectsNov 2, 2023

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 ma…

Uncategorized IssuesJul 8, 2023

I was slowing down at a red light and heard a bang and glass shattered. My sunroof exploded. Nothing hit it. The glass is bowed outward.

Electrical FaultsAug 30, 2021

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. T…

Airbag MalfunctionsJul 16, 2021

My vehicle is one oil change past the bumper to bumper warranty or 4000 miles. Air bag light is on. My regular mechanic took to dealer. Dealer said they see this problem all the time. Told us that in an accident the bags would not deploy and repair is more than $5000! We con…

Airbag MalfunctionsπŸ’₯ CrashFeb 27, 2019

TL* THE CONTACT OWNS A 2018 INFINITI QX80. WHILE DRIVING APPROXIMATELY 38-40 MPH, THE DRIVER OF AN ONCOMING VEHICLE FAILED TO YIELD THE RIGHT OF WAY AND CRASHED INTO THE DRIVER'S SIDE DOOR AND DRIVER'S SIDE FRONT FENDER OF THE CONTACT'S VEHICLE. THE DRIVER'S FRONTAL AIR BAG DEPLO…

Source: NHTSA Complaints Database. Real owner reports for the 2018 Infiniti Qx80.

2018 Infiniti Qx80 Recalls

1 campaign

NHTSA recall campaigns for the 2018 Infiniti Qx80. 1 recall campaign is on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.

19V654000Dec 9, 2019
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Compare Infiniti Qx80 Model Years

Compare complaint and recall volume across years to see whether 2018 lands in a lower-risk or higher-risk part of the model timeline.

202520212020201920182017

2018 Infiniti Qx80 Buying FAQ

Buyer-focused answers based on real NHTSA complaint and recall data for this model year.

Is the 2018 Infiniti Qx80 reliable?β–Ύ

Severe Issues. NHTSA currently shows 8 owner complaints, 1 crash-related complaints, and 1 recall campaign for this model year. The 2018 Infiniti Qx80 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.

What are the most common problems with the 2018 Infiniti Qx80?β–Ύ

#1: Electrical Faults (4 complaints). #2: Airbag Malfunctions (2 complaints). #3: Headlight/Taillight Failures (1 complaints)

At what mileage do problems start on the 2018 Infiniti Qx80?β–Ύ

Mileage data is not available or insufficient for this model year.

How safe is the 2018 Infiniti Qx80?β–Ύ

Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2018 Infiniti Qx80, NHTSA complaints include 1 crash-related reports and 0 fire reports out of 8 total complaints. 1 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.

Does the 2018 Infiniti Qx80 have any recalls?β–Ύ

Yes. 1 NHTSA recall campaign affect the 2018 Infiniti Qx80. A major recall area is BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. 1 recall campaign is on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.

Should I buy a 2018 Infiniti Qx80?β–Ύ

The 2018 Infiniti Qx80 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Electrical Faults during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.

Wider context: See the full Infiniti Qx80 reliability report with year-by-year comparison.

Owner Reliability Rating

Rate the 2018 Infiniti Qx80 based on your ownership experience.

Add your rating:

Ratings are based on owner experience and are separate from NHTSA data shown above.

Check the Exact Vehicle History Before You Buy

Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.