Most common 2001 Infiniti Q45 problems
Share of the 5 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 →
2001 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…
2001 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 2001 Infiniti Q45 a good car?
Based on 5 owner complaints filed with NHTSA, the 2001 Q45 rates average: 33% fewer complaints than a typical year of the Q45 at the same age. It is one of the best Q45 years by this measure. 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 2001 Infiniti Q45?
The electrical system — 2 complaints, 40% of all complaints for this model year, most often about alternator/generator/regulator. Next are the speed control & acceleration (1) and seat belts (1).
How many recalls does the 2001 Infiniti Q45 have?
There is 1 recall for the 2001 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 2001 Infiniti Q45 problems happen?
The median mileage reported in complaints is about 295,000 miles; 0% 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.