2018 Infiniti Qx30 Problems
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.
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.
Free preview Β· Full report from $12.95.
2018 Infiniti Qx30 Fuel Economy
β EPA Official DataEPA-rated fuel economy across 2 2018 Infiniti Qx30 trim configurations. The median figure is shown; range reflects all available trims.
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 FWDOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
Not RatedFrontal Crash
Not RatedSide Crash
Not RatedRollover
Not RatedSource: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
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.
- 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.
Electrical Faults
Uncategorized Issues
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.
- 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.
- 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.
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.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 9 | β | β | β | |
| Uncategorized Issues | 5 | β | β | β | |
| Engine Problems | 5 | β | β | β | |
| Steering Defects | 4 | β | β | β | |
| Airbag Malfunctions | 4 | β | β | β | |
| Visibility/Wiper | 2 | β | β | β | |
| Transmission / Drivetrain | 2 | β | β | β | |
| Brake System | 2 | β | β | β | |
| Lane Departure | 1 | β | β | β | |
| Back Over Prevention | 1 | β | β | β | |
| Forward Collision Avoidance: AEB | 1 | β | β | β | |
| Unintended Acceleration | 1 | β | β | β | |
| Headlight/Taillight Failures | 1 | β | β | β | |
| Seat Belt Issues | 1 | β | β | β | |
| Fuel/Propulsion System | 1 | β | β | β | |
| Electronic Stability Control (Esc) | 1 | β | β | β | |
| Structural Problems | 1 | β | 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. βtransmissionβ, βstallingβ, βbrakesβ) to filter.
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 β¦
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 sβ¦
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 driverβs aβ¦
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 onβ¦
Car has been having issues related to recall but is not on list.
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 ventβ¦
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 β¦
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 βService required. Do not shift gears. Visit Dealer.β I almost got into an accident more than once while driving the vehicle as low β¦
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 onβ¦
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 Requiβ¦
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 tβ¦
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 inβ¦
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 Ownerβs Manual" was displayed. The vehicβ¦
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 fβ¦
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 dangeroβ¦
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 aβ¦
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 Tβ¦
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 Pβ¦
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
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 RETβ¦
Source: NHTSA Complaints Database. Real owner reports for the 2018 Infiniti Qx30.
Safety recalls
2018 Infiniti Qx30 recalls
3 campaignsNHTSA 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.
SEAT BELTS:FRONT:ANCHORAGE
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
AIR BAGS:FRONTAL
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?βΎ
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?βΎ
#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?βΎ
Mileage data is not available or insufficient for this model year.
How safe is the 2018 Infiniti Qx30?βΎ
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?βΎ
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?βΎ
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.