2018 Infiniti Q50

Problems, Recalls & Reliability Report

Average

Quick Summary

The 2018 Infiniti Q50 has 64 owner complaints filed with NHTSA — that's 0.8x the segment average of 80. The most common issue is engine problems (30% of all complaints), specifically: the car caught fire under the hood and completely burned up in the parking lot as i was exiting the vehicle updated 12/4/18*jb. ⚠️ 1 fire report filed.

1 fire report 1 crash report

Total Complaints

Recalls Issued

—/5

Safety Stars

0.8x

vs Segment Avg

Known Problems

ENGINE

19 complaints

30%

• THE CAR CAUGHT FIRE UNDER THE HOOD AND COMPLETELY BURNED UP IN THE PARKING LOT AS I WAS EXITING THE VEHICLE UPDATED 12/4/18*JB
• WHILE I WAS DRIVING MY INFINITI ON THE HIGHWAY MY SERPENTINE BELT SNAPPED 4 DIFFERENT TIMES WHILE IN MOTION. ALL WITHIN ONE YEAR. INCLUDING ME GETTING MY CAR BACK FROM THE DEALER AND THEM LETTING ME HAVE IT BACK THAT WAY. ALSO, THE TIRES ARE HORRENDOUS, FROM DAY ONE, THEY PULLED THE CAR LEFT OR RIGH
• THE SERPENTINE BELT MAKES CONSISTENT NOISE IN ALL TYPES OF WEATHER. ALREADY HAD THE DEALER REPLACE IT ONCE. NOISE CAME BACK AND THE DEALER NOW SAYS IT COULD BE THE TENSIONER PULLEY.

Typical onset: 50K miles Est. repair: $500🔥 1 fire reports

“THE CAR CAUGHT FIRE UNDER THE HOOD AND COMPLETELY BURNED UP IN THE PARKING LOT AS I WAS EXITING THE VEHICLE UPDATED 12/4/18*JB”

— NHTSA complaint filing

AIR BAGS

7 complaints

11%

• TL* THE CONTACT OWNS A 2018 INFINITI Q50. THE CONTACT STATED WHILE DRIVING 45 MPH, THE AIR BAG WARNING LIGHT ILLUMINATED AND AFTER WHICH THE VEHICLE STARTED TO HESITATE. THE VEHICLE HAS BEEN TAKEN TO LOCAL DEALER (LAKE NORMAN INFINITI LOCATED AT 20435 CHARTWELL CENTER DR, CORNELIUS, NC 28031) ON FIV
• The Air bag system on a 2018 Infiniti Q50 AWD is malfunctioning. I’d like to get it checked out especially if this could be a tentative recall issue for myself and other owners of the same vehicle. I feel very unsafe for my family and I because the system was never tampered with, yet the light used
• The airbag passenger light is illuminated causing air bag system to remain off until resolve. The vehicle was taken in for inspection and dealer confirmed diagnostic results found Occupant sensor malfunctioning. Under warranty, the sensor was covered, but after installation the system also found tha

Typical onset: 50K miles Est. repair: $500

“TL* THE CONTACT OWNS A 2018 INFINITI Q50. THE CONTACT STATED WHILE DRIVING 45 MPH, THE AIR BAG WARNING LIGHT ILLUMINATED AND AFTER WHICH THE VEHICLE STARTED TO HESITATE. THE VEHICLE HAS BEEN TAKEN TO LOCAL DEALER (LAKE NORMAN INFINITI LOCATED AT 20435 CHARTWELL CENTER DR, CORNELIUS, NC 28031) ON FIV”

— NHTSA complaint filing

OTHER

6 complaints

• FAULTY "DISPLAY CONTROL UNITS" CAUSE BLUETOOTH SYSTEM TO BEHAVE ERRATICALLY, PLAY / PAUSE MUSIC OR SOUNDS, OVERRIDE USER CONTROLS, AND CAUSE SEVERE DISTRACTIONS WHILE DRIVING BY HAVING TO MANUALLY TURN OFF BLUETOOTH FROM PHONE. FAULTY DCU WILL OVERRIDE USER CONTROLS IN OTHER ASPECTS AS WELL. DCU WIL
• I went to Evo Motors to find a car and found a car filled out an application and had to return to the next day because they were closing There was already talk about a down payment but no credit transaction was happening yet. I didn’t even have an offer on the credit yet so I came back the follow
• I was in my car waiting my for complex security gate to open when I heard a loud noise. I got out of my car to see what it was and turns out my sunroof exploded. For no reason. No rock or item hit my car nor was the car in motion. It was also not from the heat as it was 60 degrees outside. I called

Typical onset: 50K miles Est. repair: $500

“FAULTY "DISPLAY CONTROL UNITS" CAUSE BLUETOOTH SYSTEM TO BEHAVE ERRATICALLY, PLAY / PAUSE MUSIC OR SOUNDS, OVERRIDE USER CONTROLS, AND CAUSE SEVERE DISTRACTIONS WHILE DRIVING BY HAVING TO MANUALLY TURN OFF BLUETOOTH FROM PHONE. FAULTY DCU WILL OVERRIDE USER CONTROLS IN OTHER ASPECTS AS WELL. DCU WIL”

— NHTSA complaint filing

FUEL SYSTEM

6 complaints

• GAS MILEAGE IS VERRY BAD ! IN CITY ONLY MY CAR GIVE ME 14 MPG AND HWY 18MPG INFINITI SAY IS. 20MPG CITY AND 29HWY. AND COMBINED 22MPG
• POOR GAS MILEAGE RANGE PER FULL TANK IS 289MILES VERY BAD MILEAGE *TR
• Car has white smoke coming from the exhaust and the oil level keeps decreasing. Car stalls and takes time to accelerate P0106 code pops up from engine. There’s a rattle and whine noise coming from the engine bay. Also the gas was stuck accelerating. Had to switch the car to neutral so it does c

Typical onset: 50K miles Est. repair: $500

“GAS MILEAGE IS VERRY BAD ! IN CITY ONLY MY CAR GIVE ME 14 MPG AND HWY 18MPG INFINITI SAY IS. 20MPG CITY AND 29HWY. AND COMBINED 22MPG”

— NHTSA complaint filing

ELECTRICAL

6 complaints

• TL* THE CONTACT OWNS A 2018 INFINITI Q50. THE CONTACT STATED THAT THE BACK-UP SCREEN WOULD NOT DISPLAY WHILE THE GEAR WAS IN REVERSE. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. NISSAN OF ATHENS (4735 ATLANTA HWY, ATHENS, GA) AND THE MANUFACTURER WERE NOTIFIED OF THE FAILURE, BUT NO ASSISTANCE WAS
• TL* THE CONTACT OWNS A 2018 INFINITI Q50. THE CONTACT STATED WHILE DRIVING 45 MPH, THE AIR BAG WARNING LIGHT ILLUMINATED AND AFTER WHICH THE VEHICLE STARTED TO HESITATE. THE VEHICLE HAS BEEN TAKEN TO LOCAL DEALER (LAKE NORMAN INFINITI LOCATED AT 20435 CHARTWELL CENTER DR, CORNELIUS, NC 28031) ON FIV
• The airbag passenger light is illuminated causing air bag system to remain off until resolve. The vehicle was taken in for inspection and dealer confirmed diagnostic results found Occupant sensor malfunctioning. Under warranty, the sensor was covered, but after installation the system also found tha

Typical onset: 50K miles Est. repair: $500

“TL* THE CONTACT OWNS A 2018 INFINITI Q50. THE CONTACT STATED THAT THE BACK-UP SCREEN WOULD NOT DISPLAY WHILE THE GEAR WAS IN REVERSE. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. NISSAN OF ATHENS (4735 ATLANTA HWY, ATHENS, GA) AND THE MANUFACTURER WERE NOTIFIED OF THE FAILURE, BUT NO ASSISTANCE WAS ”

— NHTSA complaint filing

Estimated Repair Costs

ENGINE(~50K mi)

$500

AIR BAGS(~50K mi)

$500

OTHER(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 64 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: THE CAR CAUGHT FIRE UNDER THE HOOD AND COMPLETELY BURNED UP IN THE PARKING LOT AS I WAS EXITING THE VEHICLE UPDATED 12/4/18*JB
Typically appears around 50K miles. Repair cost ~$500
☐
AIR BAGS: TL* THE CONTACT OWNS A 2018 INFINITI Q50. THE CONTACT STATED WHILE DRIVING 45 MPH, THE AIR BAG WARNING LIGHT ILLUMINATED AND AFTER WHICH THE VEHICLE STARTED TO HESITATE. THE VEHICLE HAS BEEN TAKEN TO LOCAL DEALER (LAKE NORMAN INFINITI LOCATED AT 20435 CHARTWELL CENTER DR, CORNELIUS, NC 28031) ON FIV
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: FAULTY "DISPLAY CONTROL UNITS" CAUSE BLUETOOTH SYSTEM TO BEHAVE ERRATICALLY, PLAY / PAUSE MUSIC OR SOUNDS, OVERRIDE USER CONTROLS, AND CAUSE SEVERE DISTRACTIONS WHILE DRIVING BY HAVING TO MANUALLY TURN OFF BLUETOOTH FROM PHONE. FAULTY DCU WILL OVERRIDE USER CONTROLS IN OTHER ASPECTS AS WELL. DCU WIL
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: GAS MILEAGE IS VERRY BAD ! IN CITY ONLY MY CAR GIVE ME 14 MPG AND HWY 18MPG INFINITI SAY IS. 20MPG CITY AND 29HWY. AND COMBINED 22MPG
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)