Vehicle Data Hub

2003 Infiniti QX4 problems

The 2003 Infiniti QX4 has 25 complaints on file with NHTSA. The largest share (36%) concerns suspension. Next are body & structure (24%) and brakes (12%).

At a glance

Complaints
25 filed with NHTSA
Most reported
Suspension 36% of complaints
Crashes and fires
2 and 0
Injuries and deaths
4 and 0
Typical mileage
123,000 miles 18 complaints with mileage

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Suspension 36%
  • Body & structure 24%
  • Brakes 12%
  • Steering 8%
  • Air bags 4%
  • Drivetrain & axles 4%
  • Engine 4%
  • Fuel system 4%
  • Wipers, windshield & visibility 4%

When problems show up

Complaints by mileage, 2003 Infiniti QX4 Complaints by odometer reading in 20,000-mile steps. The median is about 123,000 miles. 0k to 20k miles: 2 complaints 20k to 40k miles: 0 complaints 40k to 60k miles: 0 complaints 60k to 80k miles: 2 complaints 80k to 100k miles: 4 complaints 100k to 120k miles: 0 complaints 120k to 140k miles: 3 complaints 140k to 160k miles: 1 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 2 complaints 200k+ miles: 4 complaints 040k80k120k160k200k miles Typical: 123,000 miles
Based on 18 complaints that include mileage. 11% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles2
20k to 40k miles0
40k to 60k miles0
60k to 80k miles2
80k to 100k miles4
100k to 120k miles0
120k to 140k miles3
140k to 160k miles1
160k to 180k miles0
180k to 200k miles2
200k+ miles4

What the data shows

Of the 18 complaints that include odometer readings, half describe a problem before roughly 123,000 miles.

Safety-related details: 2 complaints mention a crash; 4 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2003 ranks 7th most-complained-about out of 7 model years of the Infiniti QX4 with enough data (1 complaint in that window). It is also covered by 3 safety recall campaigns.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

Tl*the contact owns a 2003 infiniti qx4. The contact stated the steering wheel became unresponsive while changing lanes. As a result the vehicle was involved in a rollover crash. A police report was filed and all four passengers in the vehicle suffered minor injuries. One of the passengers also sustained a dislocated shoulder. The vehicle was destroyed. The vehicle was not taken to have the failure diagnosed or repaired. The manufacturer was not made aware of the failure.

Reported at 95,000 miles, April 2011 CrashInjury

While driving at 35 MPH on a dry single lane paved road, I unavoidably ran my infiniti qx4 SUV over a tree branch in the road. The tree branch briefly became entangled under the vehicle and then was expelled. Once the tree branch was released, my ABS light came on. I took my vehicle to my inifiniti dealer who put the vehicle on a lift.

Reported at 5,900 miles, October 2003 Crash

There was a severe pulsation in the rear of the vehicle when the brake were applied. The dealership serviced the vehicle over 20 times.

Reported at 6,000 miles

Tl* the contact owns a 2003 infiniti qx4. The contact stated while attempting a turn at 20 MPH, the vehicle stalled without warning. The contact exited the vehicle and found the rear axle was extended three feet from the vehicle. The vehicle was towed to an authorized dealer. The dealer advised there was not a recall for the failure and any repairs would be at his expense. The vehicle was not repaired. The approximate failure and current mileages were 74,000.

Reported at 74,000 miles, July 2010

Fuel filler neck has corroded causing gas to leak on to tire and brakes while filling gas tank. Recall of previous model.

Reported at 95,000 miles, November 2014

Other model years of the QX4

Best and worst years for the Infiniti QX4