Most common 2000 Infiniti Q45 problems
Share of the 9 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Infiniti Q45 complaints by model year
Best Q45 years: 2003, 2005, 2001. Years to avoid: 2002. Compare all years →
2000 Infiniti Q45 recalls (1)
Wheels
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.
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 remedy within a reasonable…
What 2000 Infiniti Q45 owners say
Suspension
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.
Vehicle vibrates at speeds starting at 50 MPH through 80 MPH. Vibration can be felt throughout cabin.
Wheels & tires
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. 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.
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.
2000 Infiniti Q45 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 4.1L 8-cyl | 4-speed automatic | RWD | 16 / 21 / 18 |
EPA ratings. Class: Midsize car.
Frequently asked questions
Is the 2000 Infiniti Q45 a good car?
Based on 9 owner complaints filed with NHTSA, the 2000 Q45 rates average: 1.3× as many complaints as a typical year of the Q45 at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2000 Infiniti Q45?
The suspension — 4 complaints, 44% of all complaints for this model year. Next are the wheels & tires (4) and transmission & drivetrain (1).
How many recalls does the 2000 Infiniti Q45 have?
There is 1 recall for the 2000 Infiniti Q45, the most recent from March 19, 2003 (wheels). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Infiniti Q45?
The best years by complaints, compared at the same age, are 2003, 2005 and 2001. Years to avoid or approach with caution: 2002. See the full Infiniti Q45 years comparison.
At what mileage do 2000 Infiniti Q45 problems happen?
The median mileage reported in complaints is about 35,000 miles; 100% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.