2018 Infiniti Qx30 Problems

Good Record

Shopping for a used 2018 Infiniti Qx30? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Based on 22 real NHTSA owner complaints, with Electrical Faults the most reported area.

20173 years2019

Before you buy

This 2018 Infiniti Qx30 has 22 NHTSA complaints β€” top issue: Electrical Faults.

A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.

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22
Complaints
β€”
Crashes
β€”
Fires
β€”
Injuries
β€”
Fatalities
3
Recalls

2018 Infiniti Qx30 Fuel Economy

βœ“ EPA Official Data

EPA-rated fuel economy across 2 2018 Infiniti Qx30 trim configurations. The median figure is shown; range reflects all available trims.

24
MPG City
21–24 range
33
MPG Hwy
30–33 range
27
MPG Combined
25–27 range
324
g COβ‚‚/mile
Premium Gasoline
⚠️Costs $3,000 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 Qx30 Safety Ratings

NHTSA 5-Star Program2 variants tested β€” showing 2018 Infiniti QX30 SW FWD

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

Overall

Not Rated

Frontal Crash

Not Rated

Side Crash

Not Rated

Rollover

Not Rated
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 Qx30 has 22 owner complaints, 0 crash-related complaints, and 3 recall campaigns on record. The most frequently reported component is Electrical Faults. NHTSA reliability signal: Good Record.

2018 Infiniti Qx30 β€” key reliability facts
Make
Infiniti
Model
Qx30
Model year
2018
NHTSA owner complaints
22
Crash-related complaints
0
Safety recall campaigns
3
Top reported component
Electrical Faults
Reliability signal
Good Record
EPA MPG combined
27
EPA MPG city / highway
24 / 33
Fuel type
Premium Gasoline
Electronic stability control
Standard

Common problems

Most common 2018 Infiniti Qx30 problems

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

#1
9
complaints

Electrical Faults

#2
5
complaints

Uncategorized Issues

#3
5
complaints

Engine Problems

Complaint patterns center on Electrical Faults, Uncategorized Issues, Engine Problems. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.

Buyer verdict

Should you buy a used 2018 Infiniti Qx30?

The 2018 Infiniti Qx30 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car.

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

Pre-purchase

What to check before buying a used 2018 Infiniti Qx30

Inspection Focus

  • Inspect the electrical system, including battery and wiring, for any issues.
  • Verify all open recalls at nhtsa.gov/recalls.
  • Request service records for engine and steering components.
  • Have a mechanic inspect the vehicle before purchase.

Before You Close the Deal

  • Inspect the electrical system, including battery and wiring, for any issues.
  • Verify all open recalls at nhtsa.gov/recalls.
  • Request service records for engine and steering components.
  • Have a mechanic inspect the vehicle before purchase.

Check the exact car

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

Before buying a used 2018 Infiniti Qx30, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.

AI verdict

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

The 2018 INFINITI QX30 has 22 NHTSA complaints, with the most reported issues in electrical faults. No crash-related complaints were recorded, but the data is limited due to low sample size.

Key Findings
  • Electrical faults account for the highest number of complaints among all components.
  • Engine problems and steering defects are also frequently reported.
  • No crash-related complaints were filed for this model year.
Top Concerns
  • Electrical faults are the most common complaint, with 9 reports.
  • Engine problems have 5 complaints, indicating potential reliability issues.
  • Steering defects are noted in 4 complaints, suggesting possible handling concerns.
Data note: NHTSA complaints are consumer-submitted and do not confirm a manufacturing defect. The low number of total complaints (22) limits the reliability of any conclusions.

Full breakdown

All 2018 Infiniti Qx30 complaints by category

Every owner-reported complaint category filed with NHTSA for the 2018 Infiniti Qx30. Use this as a pre-purchase inspection checklist.

ComponentComplaintsCrashesFiresAvg MileageVolume
Electrical Faults9β€”β€”β€”
Uncategorized Issues5β€”β€”β€”
Engine Problems5β€”β€”β€”
Steering Defects4β€”β€”β€”
Airbag Malfunctions4β€”β€”β€”
Visibility/Wiper2β€”β€”β€”
Transmission / Drivetrain2β€”β€”β€”
Brake System2β€”β€”β€”
Lane Departure1β€”β€”β€”
Back Over Prevention1β€”β€”β€”
Forward Collision Avoidance: AEB1β€”β€”β€”
Unintended Acceleration1β€”β€”β€”
Headlight/Taillight Failures1β€”β€”β€”
Seat Belt Issues1β€”β€”β€”
Fuel/Propulsion System1β€”β€”β€”
Electronic Stability Control (Esc)1β€”β€”β€”
Structural Problems1β€”β€”β€”

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

In their words

Real owner complaints

Read what owners actually reported to NHTSA for the 2018 Infiniti Qx30. Type a keyword (e.g. β€œtransmission”, β€œstalling”, β€œbrakes”) to filter.

Showing 22 most recent complaints

Steering DefectsFeb 17, 2026

The contact owns a 2018 Infiniti QX30. The contact stated that while driving at an undisclosed speed, there was an abnormal clicking sound coming from the steering wheel, with several unknown warning lights illuminated. The vehicle was taken to the dealer, where it was diagnosed …

Uncategorized IssuesFeb 4, 2026

The rear subframe on my 2018 Infiniti QX30 experienced a structural failure at approximately 39,000 miles. The vehicle was inspected by an authorized Infiniti dealer, who confirmed failure of the rear subframe, a critical structural and safety component. This failure created a s…

Uncategorized IssuesOct 2, 2025

I am submitting a safety concern regarding the headliner in my vehicle. The rear portion of the headliner has detached and is sagging downward. As shown in the attached photo, the sagging material obstructs visibility through the rear window, significantly reducing the driver’s a…

Uncategorized IssuesJun 15, 2025

I am reporting a serious manufacturer defect in my 2018 Infiniti QX30. The headliner has detached and is sagging, obstructing rear window visibility and presenting a potential distraction while driving. This impairment significantly reduces rear visibility and has created an on…

Airbag MalfunctionsApr 10, 2025

Car has been having issues related to recall but is not on list.

Engine ProblemsDec 23, 2024

The contact owns a 2018 Infiniti QX30. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where the diagnostic trouble codes P052E71 and P053A-00 were retrieved. The mechanic determined that the crankcase vent…

Steering DefectsOct 31, 2024

I am writing to express my concerns regarding a malfunction in my vehicle, specifically related to the airbags and the steering angle sensor or possibly the steering wheel itself. Over the past year, I have noticed a significant change in my vehicle's performance. Initially, I …

Electrical FaultsAug 30, 2024

Hello, My 2018 Infiniti QX30 slips into neutral while driving on the road at high speeds and without any warning. The message on the dash is vague β€œService required. Do not shift gears. Visit Dealer.” I almost got into an accident more than once while driving the vehicle as low …

Back Over PreventionMay 6, 2024

The contact owns a 2018 Infiniti QX30. The contact stated that on several occasions while in reverse(R) the display screen went blank. The vehicle was restarted, and on some occasions, the screen displayed a still frame image and an unknown sensor warning message was displayed on…

Transmission / DrivetrainMar 1, 2024

The contact owns a 2018 Infiniti QX30. The contact stated while driving approximately 50 MPH, the vehicle erroneously shifted into neutral(N) and stalled inadvertently. The contact was able to pull to the side of the road. The vehicle failed to restart. The message "Service Requi…

Brake SystemJan 15, 2024

I have had issues with the vehicle since purchasing it from Carmaxx in June 2021. I noticed the vehicle had extremely low miles and may have been involved in a traffic accident unreported as there is carriage noise and suspension noise as if it is loose. I reported a concern to t…

Airbag MalfunctionsJan 2, 2024

My vehicle is never been in an accident, but it is showing SRS malfunction. Nissan dealer took 2500$ to do all the services (Coolant, battery change, etc..) and gave me rejection sticker for state inspection and said I need to get this SRS issue fixed from infiniti dealer. And in…

Unintended AccelerationSep 21, 2023

The contact owns a 2018 Infiniti QX30. The contact stated while driving at various highway speeds, the vehicle suddenly decelerated to 30 MPH. During the failure the check engine warning light illuminated and the message "Inoperative - See Owner’s Manual" was displayed. The vehic…

Electrical FaultsJul 25, 2023

The auxiliary battery located underneath the interior glove compartment went dead and the car was inoperable. I called Infinity and they would not help me. There was no information relating to this small battery either on internet or Infinity website. I finally had to have a f…

Steering DefectsJun 26, 2023

The vehicle, with low mileage and no accidents, has had a few engine-related issues over the last few months. Recently, I went to turn it on, and many components of the car wouldn't work (no parking, power steering, engine issues, seats won't move, etc.). I live in a very dangero…

Electrical FaultsApr 25, 2022

A variety of dashboard lights illuminated including engine light, ABS, emergency brake failure message etc. Vehicle drove as if power steering had failed. When I brought the car in to the Dealer I was told that the vehicle displayed codes for two concerns: 1) air quality sensor a…

Steering DefectsApr 19, 2021

TL* THE CONTACT OWNS A 2018 INFINITI QX30. THE CONTACT STATED THAT AT START-UP, THE CONTACT HEARD AN ABNORMAL POPPING SOUND WHILE TURNING THE STEERING WHEEL. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. ADDITIONALLY, SEVERAL FEATURES ON T…

Fuel/Propulsion SystemOct 30, 2020

WHILE DRIVING VEHICLE THERE IS A SUDDEN LOST OF ENGINE POWER AND VEHICLE WILL NOT ACCELERATE. SEVERAL WARNING INDICATORS COME UP ON THE DASH. WARNINGS ARE 'EMERGENCY BRAKE INOPERATIVE', 'TRACTION CONTROL INOPERATIVE, SEE OWNERS MANUAL', 'ICC INOPERATIVE. I'M GETTING ENGINE CODE P…

Electrical FaultsFeb 25, 2020

WHEN I TURN MY CAR OFF THE RADIO IS STAYING ON AND IF I DON'T CRANK IT EVERY 6-8 HOURS THE BATTERY GOES COMPLETELY DEAD AND I HAVE TO RECHARGE IT

Electrical FaultsMay 1, 2019

TL* THE CONTACT OWNS A 2018 INFINITI QX30. THE CONTACT STATED THAT THE INSTRUMENT PANEL SCREEN BLACKED OUT. THE FAILURE OCCURRED EVERY TIME THE ENGINE WAS STARTED. THE FAILURE EVEN AFFECTED THE BACK UP CAMERA SCREEN. WHEN ATTEMPTING TO REVERSE, THE SCREEN BLACKED OUT AND THEN RET…

Page 1 of 2

Source: NHTSA Complaints Database. Real owner reports for the 2018 Infiniti Qx30.

Safety recalls

2018 Infiniti Qx30 recalls

3 campaigns

NHTSA recall campaigns for the 2018 Infiniti Qx30. 3 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.

Safety recall

SEAT BELTS:FRONT:ANCHORAGE

#18V355000SEAT BELTS:FRONT:ANCHORAGE30/05/2018
Safety recall

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

#19V654000BACK OVER PREVENTION: SENSING SYSTEM: CAMERADec 9, 2019
Safety recall

AIR BAGS:FRONTAL

#17V691000AIR BAGS:FRONTALJan 11, 2017

Across model years

Compare Infiniti Qx30 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.

Research more

Keep researching before you buy

Compare brands and categories, then check the exact car's history by VIN.

Questions

2018 Infiniti Qx30 buying FAQ

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

Is the 2018 Infiniti Qx30 reliable?β–Ύ

Good Record. NHTSA currently shows 22 owner complaints, 0 crash-related complaints, and 3 recall campaigns for this model year. The 2018 Infiniti Qx30 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. 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 Qx30?β–Ύ

#1: Electrical Faults (9 complaints). #2: Uncategorized Issues (5 complaints). #3: Engine Problems (5 complaints)

At what mileage do problems start on the 2018 Infiniti Qx30?β–Ύ

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

How safe is the 2018 Infiniti Qx30?β–Ύ

Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2018 Infiniti Qx30, NHTSA complaints include 0 crash-related reports and 0 fire reports out of 22 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.

Does the 2018 Infiniti Qx30 have any recalls?β–Ύ

Yes. 3 NHTSA recall campaigns affect the 2018 Infiniti Qx30. A major recall area is SEAT BELTS:FRONT:ANCHORAGE. 3 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.

Should I buy a 2018 Infiniti Qx30?β–Ύ

The 2018 Infiniti Qx30 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. 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 VinSpectorAI.

Wider context: See the full Infiniti Qx30 reliability report with year-by-year comparison.

Owner Reliability Rating

Rate the 2018 Infiniti Qx30 based on your ownership experience.

Add your rating:

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

Before you buy

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.