Notes: The 2005 Nissan Altima has two fairly significant problems with the floor pan rusting through & motor mounts breaking.

Altima owners report that up to a basketball-size hole develops under the floor mats where the floor pan metal rusts through. Average repair cost is over $1,000.

The broken motor mounts are less of a problem - they break at ~75,000 miles average & it's $400 to fix. Still, motor mounts should not break!


fairly significant
Crashes / Fires:
0 / 2
Injuries / Deaths:
0 / 0
Average Mileage:
11,500 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 Nissan Altima electrical problems

electrical problem

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2005 Nissan Altima Owner Comments

problem #2

Jan 192007

Altima 4-cyl

  • Automatic transmission
  • 18,000 miles


- while driving at 30 mph the 2005 Nissan Altima caught on fire. The contact smelled a burning odor, but wasn't quite sure where it was coming from until a bystander informed her that the vehicle was on fire. The fire started underneath the vehicle by the accelerator pedal, continuing to burn underneath the hood. The insurance company stated that the cause of the fire was the main wiring harness. The contact could provide pictures of vehicle if needed. The failure and current mileage were both 18000.

- Owings Mill, MD, USA

problem #1

Jul 122005

Altima 6-cyl

  • Automatic transmission
  • 5,000 miles
I purchased a new 2005 Nissan Altima 3.5 sl on April 2005, the car caught fire while parked in my garage on July 12, 2005 due to a pinched wire stated by Nissan. It has now been 6 weeks and Nissan is still not done repairing my car. Nissan refuses to replace this car with another identical car. Nissan has not been cooperative with me on this matter, they have been giving me the run around on this matter since day one!!! Nissan did not offer to give me a loaner car, I had to rent a car myself for 6 weeks straight. Nissan refuses to pay my rental expense and the damages done to my garage due to this fire. Nissan also refuses to pay for smoke damages to my house.

- Kennesaw, GA, USA

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