2000 Infiniti Q45
The Verdict
The 2000 Infiniti Q45 has 9 owner complaints filed with NHTSA. The most reported issues are body (7 complaints) and brakes (1 complaints). With a Klunk Score of 98/100, it earns a "Smooth Ride" rating. If you're shopping for a Infiniti Q45, consider the 2001 model year which has 55% fewer complaints.
Safe Bet
The 2001 has 55% fewer complaints
View the 2001 Infiniti Q45 dashboard →
Klunk Score: Smooth Ride
This vehicle year has significantly fewer complaints than average. A reliable choice.
How is this calculated?
The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.
Recalls 1
Active safety recalls from NHTSA for this vehicle year.
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 17 INCH ALLOY WHEELS, THE WHEELS MAY HAVE A CASTING DEFECT FROM WHICH CRACKS COULD PROPAGATE AS THE VEHICLE IS BEING DRIVEN.
Risk
IF A SUFFICIENT NUMBER OF CRACKS DEVELOP, THE WHEEL COULD FAIL AND SEPARATE FROM THE MOUNTING HUB, INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL REPLACE THESE WHEELS. OWNER NOTIFICATION BEGAN APRIL 28, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REME...
Reported Apr 10, 2026
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Under the Hood
Each number is a complaint. Darker = bigger problem.
By Category
By Severity
Worst Problems
Complaints
VEHICLE VIBRATES STARTING AT 50MPH UP TO 80MPH. DEALER REPLACED TIRES TWICE PLUS ALLOY WHEELS REPLACED. INFINITY MECHANIC ADMITS TOTAL VIBRATION BUT MFG. REP STATES AUTO MADE TO RIDE THAT WAY. *TR
MY 2000 INFINITY Q-45 WITH 37,000 MILES OF USAGE SUDDENLY AND WITHOUT WARNING COMPLETELY LOCKED UP WHILE UNDER POWER IN THE OUTSIDE LANE WHILE ON A BUSY SIX LANE STREET AND WOULD NOT MOVE. THE VEHICLE WE LATER LEARNED BY THE DEALER HAD SUFFERED A REAR WHEEL BRAKE AND AXLE COMPLETE BREAKDOWN AND FAILURE. THE DEALER SERVICE DEPARTMENT SAID THAT WE MUST HAVE DRIVEN THE CAR WITH THE EMERGENCY BRAKE ENGAGED TO CAUSE THE AXLE, BRAKE LININGS AND DRUMS TO OVER HEAT AND FATIGUE. THE CAR REQUIRED A SIGNIFICANT NUMBER OF NEW REPLACEMENT PARTS IN THE ACEL/BRAKE ASSEMBLY AREA THAT REQUIRED $2,158.64 IN PARTS AND THE TOTAL BILL WAS $3,113.70. WHILE NO ONE WAS INJURED IN THIS EVENT, IT WAS ONLY BECAUSE THE INCIDENT OCCURRED ON A SURFACE STREET A LOW SPEED AS OPPOSED TO AN INTERSTATE HIGHWAY. MY CONCERN IS THAT WE, THE DRIVERS OF THE VEHICLE THAT WAS PURCHASED NEW, ARE RETIRED AND MONITOR OUR VEHICLES CLOSELY. THERE IS A "INDICATOR LIGHT" THAT SHOULD COME ON AUTOMATICALLY WHILE DRIVING OR ATTEMPTING TO DRIVE WITH THE EMERGENCY BRAKE PARTIALLY OR FULLY ENGAGED. THIS NEVER HAPPENED. I TESTED THIS LIGHT SINCE THE REPAIRS AND IT IS FUNCTIONAL AT THIS TIME. I WOULD LIKE TO KNOW IF OTHERS WITH A INFINITY Q-45 MIGHT HAVE HAD A SIMILAR EXPERIENCE AS OUR VEHICLE WAS NOT KNOWINGLY DRIVEN WITH THE EMERGENCY BRAKE ENGAGED. *JB
DT: CONTACT STATED THAT A RECALL 03V098000 CONCERNING WHEELS CAME OUT ON THIS VEHICLE BEFORE HE PURCHASED IT AND NOTHING WAS DONE TO CORRECT THE PROBLEM BY THE PREVIOUS OWNER OR THE DEALER WHO SOLD IT TO HIM. THE VEHICLE SHIMMIED, AND THE TIRES WERE WEARING OUT TOO SOON. THE DEALER INDICATED TO THE CONTACT THEY KNEW NOTHING ABOUT THE RECALL. THE MANUFACTURER TOLD HIM IT WAS TOO LATE TO HAVE WORK COMPLETED UNDER THE RECALL. *AK
WHILE DRIVING 25-30 MPH VEHICLE HIT A POT HOLE AND IT VIBRATED UNCONTROLLABLY. DRIVER WAS PULLED OVER AND NOTICED THAT THE REAR LEFT TIRE WAS FLAT. VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT THE TIRE NEEDED TO BE REPLACED. *AK SECOND TIRE DEVELOPED A BUBBLE ON OUTSIDE YET THE TIRE HAD NO SIGN OF DAMAGE ON THE OUTSIDE, THIS HAPPENED AT 42,538 MILES. CONSUMER HAS BOTH FAULTY TIRES. THE DEALER STATED THAT THE LEFT REAR RIM AND TIRE WERE BENT AND REPLACED REAR TIRE AND RIM MOUNT AND BALANCED THE TIRES. *BF *NM
TRANSMISSION WOULD SHIFT HARD WHILE SHIFTING FROM FIRST TO SECOND GEAR, AND VEHICLE WOULD VIBRATE UNCONTROLLABLY. DRIVER TOOK THE VEHICLE TO THE DEALER FOR INSPECTION, AND MECHANIC COULD NOT DUPLICATE THE PROBLEM. ALSO, VEHICLE WAS OPERATING AS DESIGNED. *AK
VEHICLE VIBRATES AT SPEEDS STARTING AT 50 MPH THROUGH 80 MPH. VIBRATION CAN BE FELT THROUGHOUT CABIN. *LA
CAR VIBRATES DURING 50 - 80 MPH. *AK
DEALERSHIP DOESN'T HAVE THE REPLACEMENT WHEELS FOR THE ALLOY WHEEL RECALL 03 V 098 000. CONSUMER HAS BEEN WAITING FOR 2 MONTHS.*AK
WHEN AUTO REACHES SPEED OF 60 MPH THRU 79 MPH THERE IS A VIBRATION THROUGHOUT CAR. *AK