There are 4 owner-reported brakes complaints for the 2014 Infiniti Q50in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
MY VEHICLE HAS HAD TO HAVE MY ROTORS REPLACED 5 TIMES OR MORE IN A SINGLE YEAR. THE DEALER SAID THAT THESE ROTORS GET HOT AND CREATE HOT SPOTS WHICH IN TURN REQUIRES NEW ROTORS AND BRAKES EVERY 2-3 MONTHS. THIS IS AN EXPENSIVE COST FOR SUCH A LUXURY VEHICLE. THERE IS A RISK THAT THESE ROTORS WILL CONTINUE TO BURN THROUGH THE PADS LEAVING DRIVERS WITHOUT PROPER BRAKING SYSTEMS.
MY INFINITI Q50 2014 HAS INTERMITTENT BRAKE BOOSTER PUMP FAILURE THAT CAUSES DIMINISHED BRAKING POWER AT ALL SPEEDS AND AT A SLIPS AT A STOP. THE DIMINISHED BRAKING AFFECTS STOPPING DISTANCES AND TRIGGERS EMERGENCY COLLISION WARNINGS AND IMPACT MITIGATION LIKE SEAT BELT TIGHTENING WHILE DRIVING. THE CONDITION HAS HAPPENED FOR THE LAST 24 MONTHS. INFINITI REFUSED TO ADDRESS UNTIL THEY WITNESSED THE CONDITION. IN LATE 2016 I WAS ABLE TO SHOW THEM WHEN IT WAS HAPPENING. THEIR TECH DIAGNOSED THE BRAKE BOOSTER AS THE ISSUE AND REPAIRED. IN MAY 2017 THE CONDITIONS ARE NOW REPEATING. INFINITI AGAIN IS REFUSING TO ADDRESS UNLESS THEY CAN WITNESS. THE CAR BRAKING IS UNSAFE WITH THIS CONDITION, PARTICULARLY AS YOU HAVE NO ABILITY TO KNOW WHEN THE INTERMITTENT CONDITION WILL OCCUR. I HAVE EMAIL TRAILS OF ALL REPORTS EACH ONE IT HAPPENED AND SERVICE COMMUNICATIONS WITH THE DEALERSHIP. UPDATED 10/11/17 *BF UPDATED 12/11/2017*JS
REAR BRAKE PAD LIFE IS DANGEROUSLY SHORT. I BEGAN TO EXPERIENCE SQUEALING AND VIBRATION UPON BRAKING AFTER ONLY 25,000 MILES. THERE IS NO SUGGESTED REPLACEMENT INTERVAL SO I COULD EASILY SEE SOMEONE IGNORING THE SYMPTOMS OR PUTTING OFF THE PAD REPLACEMENT (MOST PEOPLE EXPECT PADS TO LAST AT LEAST 30,000 MILES). THERE ARE ALSO NO WEAR SENSORS FOR THE REAR BRAKES. SOMEONE COULD EASILY WEAR THROUGH THE PADS AND HAVE A DANGEROUS REAR BRAKE FAILURE SINCE THERE IS NO DISCLOSURE PROVIDED BY INFINITI OF HOW SHORT THE REAR PAD LIFE REALLY IS.
MY 2014 INFINITI Q50 SPORT HAS AN UNRESOLVED REOCCURRING PROBLEM WERE AFTER APROX. 20 MILES OF DRIVING THE BRAKE PEDAL WILL SINK SUBSTANTIALLY TOWARDS THE FLOOR AFTER BRAKING. AS THE CAR WILL STILL STOP AFTER THE BRAKES ARE APPLIED THE BRAKING DISTANCE IS LONGER THAN NORMAL AND THE FEELING OF SECURITY IS GREATLY REDUCED. TO DATE THE CAR HAS BEEN BACK TO THE DEALERSHIP 3 TIMES FOR THIS ISSUE. THE FIRST TIME A FULL BRAKE JOB WAS PERFORMED AT MY EXPENSE. WITHIN A COUPLE MONTHS OF THE BRAKE JOB THE PROBLEM CAME BACK. THE CAR WAS RETURNED TO THE DEALER IN JULY 2016 FOR FURTHER EVALUATION. AFTER 2 DAYS OF SHORT TRIAL ROAD TESTING THE CAR WAS RETURNED TO ME WITH THE EXPLANATION THAT THE DEALERSHIP "COULD NOT REPLICATE THE ISSUE" ONE WEEK AFTER THAT THE PROBLEM OCCURRED AGAIN AND I LIMPED THE CAR BACK INTO THE DEALERSHIP AS THE PROBLEM WAS OCCURRING. THEY SEMI ACKNOWLEDGED THE ISSUE AND PROCEEDED TO ORDER A NEW MASTER CYLINDER THAT TOOK 1 MONTH TO COME IN AND GET INSTALLED. I RECEIVED THE CAR BACK ON 8/11/2016 AND IMMEDIATELY NOTICED THE PEDAL WAS STILL LOWER THAN NORMAL BUT OPERATIONAL. AFTER DRIVING FOR ABOUT 50 MILES ON OPEN HIGHWAY THE PROBLEM REOCCURRED AGAIN. ONCE AGAIN I TOOK THE CAR BACK TO THE DEALERSHIP WHERE IT LIES NOW WITH NO RESOLVE. AT THIS POINT I AM AFRAID TO DRIVE THE CAR BECAUSE OF THIS ISSUE AND THE MANY PAST RECALL ISSUES INVOLVING AIR BAGS AND THE ELECTRONIC STEERING SYSTEM. AT THIS POINT I AM LOOKING AT TURNING THE CAR IN WITH 10 REMAINING LEASE MONTHS LEFT AT AN EXPENSE OF $7,000.00. I AM NOT WILLING TO PUT MY LIFE OR THE LIVES OF MY LOVED ONES IN JEOPARDY.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026