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!


really awful
Crashes / Fires:
2 / 0
Injuries / Deaths:
3 / 0
Average Mileage:
93,955 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 body / paint problems

body / paint problem

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2005 Nissan Altima Owner Comments (Page 13 of 14)

« Read the previous 20 complaints

problem #31

Jul 112012


  • 98,000 miles


Today while performing an oil change on my girlfriends 2005 Nissan Altima I noticed a large hole in the floor of the car. There is a large rusted out hole, only on one side of the vehicle that goes completely through to the inside. In exactly the same place on the opposite side of the car there is no rust at all. This car is washed regularly, and has no rust on the paintwork anywhere. Upon looking it up on the internet there appears to be many many people with this issue, and Nissan is trying to cover it up and not cover the replacement of parts that are clearly defective. Please help me hold them accountable.

- Everett, MA, USA

problem #30

Jul 022012

Altima 4-cyl

  • 103,000 miles
Rusted floor pan on passengers side had a 12" hole.

- Greenville, MI, USA

problem #29

Jun 012012

Altima 4-cyl

  • 88,000 miles
My 2005 Nissan Altima 2.5S has 88,500 miles on it. It is in excellent condition, except for the floor pans under the vehicle (driver and passenger sides) that are rusting through. It is apparent that this is a known problem for these vehicles and Nissan has not issued a recall. I need this fixed, as this is a safety concern for 2 reasons: Structural integrity and fumes entering vehicle. I was informed by my local Nissan dealer that the only proper repair is to completely replace the floor pan metal. The estimate for this was around $2500. I have a 2 year old son and a daughter on the way. I cannot afford a new vehicle at this time, and Nissan needs to step up and fix this!

- Jeffersonville, IN, USA

problem #28

Jun 012012

Altima 4-cyl

  • 96,000 miles


Noticed an object hanging from underside of passenger floor area. Upon examination found floorpan area completely rusted through and hanging piece was part of rusted floor pan.

- Rockton, IL, USA

problem #27

May 252012


  • 89,000 miles
The contact owns a 2005 Nissan Altima. The contact stated that the vehicle was taken to the dealer for a trade-in and the contact was informed that the floor boards on the passenger side of the vehicle were rusted. The dealer advised the contact that the vehicle was dangerous to drive and they would not take the vehicle. The manufacturer was notified and advised him to contact the dealers. The failure mileage was 89000.

- Seven Hill, OH, USA

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problem #26

May 162012


  • 83,692 miles
While jacking my 2005 Nissan Altima up upon looking underneath I noticed a 4 inch by 4 inch patch of rust. After further inspection I noticed that it was rusted all the way through to the carpet inside the car. Six months ago when I was working on my car there was not rust at all. I take care of my car and inspect the car for any problems. There are no recalls for this by Nissan and this needs to be fixed. After researching I found this is a common problem with 02 - 05 Altima and is a serious safety issue.

- Newburgh , NY, USA

problem #25

Apr 092012

Altima 4-cyl

  • Automatic transmission
  • 55,000 miles


The contact owns a 2005 Nissan Altima. The contact stated that the vehicle was taken to an independent mechanic for routine maintenance when the mechanic advised the contact that there were rust spots under the driver and passenger seats, underneath the vehicle. In addition, the mechanic discovered rust over the entire front end of the vehicle. The manufacturer was contacted and advised that they could provide no assistance because the warranty was expired. The vehicle was repaired. The failure mileage was 55,000 and the current mileage was 56,903.

- Lititz , PA, USA

problem #24

Mar 072012


  • miles
I have a 2005 Nissan Altima sl and took my car into conicelli Nissan back in February of this year for an order change and something else minor. Conicelli Nissan brought to my attention that the floor pan was rusted on the passenger side front. I was told to contact the body shop of conicelli which I did and they in turn told me that they can not do the repair because of the rust and they didn't want to be held accountability for it and perhaps risk a law suit further down the line. My complaint is the car is only 8 years old with 60,000 miles on it and I have taken it to two different body shops and they are amazed that the floor pan has rusted already being that the car is only 7 years old and in very good condition. This seams like a known problem with Nissan cars and it doesn't make any sense and the customers want answers now. It will cost me at least $1,000 to get this taken care of and I don't have that kind of money. I need someone to contact me to get to the bottom of this ongoing issue.

- Philadelphia, PA, USA

problem #23

Mar 152012

Altima 4-cyl

  • 111,000 miles
Passenger side underbody rusted completely through.

- Peoria, IL, USA

problem #22

Feb 272012

Altima 4-cyl

  • 100,148 miles
I have a 2005 Nissan Altima that I just took in for a front end check and was notified that the floorboard on the driver side is completely rusted out, I can actual touch the carpeting through this large hole. I can not believe this, the car is only 7 years old. I have searched this on the internet and it seems to be a very common complaint, why isn't Nissan do anything about this" how many complaints need to be made before something is done about this" obviously this a manufacturer defect.

- Melrose Park, IL, USA

problem #21

Nov 152011

Altima 6-cyl

  • Automatic transmission
  • 95,000 miles


The contact owns 2005 Nissan Altima. The contact had taken the vehicle to an authorized dealer for an unrelated repair and the technician noticed that the front driver and passenger side floorboards were completely rusted. The vehicle was then taken to an independent mechanic for repair. The manufacturer was notified of the failure. The approximate failure mileage was 95,000. Updated 02/22/12 the brakes were replaced, as well as the ac line that was leaking. Updated 03.05.12

- Middleburg Heights, OH, USA

problem #20

Feb 092012


  • miles
I purchased my car in January of 2006 used with about 3,800 miles. I've taken my vehicle several time to Nissan dealer for my 15,000 mile service and also they replace my suspension on a recall. I discovered today that my front passenger floorboard is completely rusted out, I mean if it wasn't for the interior carpet I could put my whole arm down in the hole. I've done research and it seem to be a very common problem with model and year. Nissan has lifted my car numerous time and has not once mentioned seeing rust, which at this point is now out of warranty. This could've been fixed and still under warranty months ago. I was my car all the time and even in winter, I understand that rust is natural on a car, but when you see that this happens more than often on this particular model they should do something about it. Either extend the warranty out further or recall. My car is no even that old and this is upsetting that I going to shell out some major bucks to get this fixed properly.

- Oak Park, IL, USA

problem #19

Jan 282012


  • 103,000 miles
The contact owns a 2005 Nissan Altima. The contact stated the driver and passenger side floor panel was completely covered with rust and the only thing holding it in place was the carpet. The vehicle was taken to the dealer who advised him that the floor panel needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and he had not received a response. The failure and current mileage was approximately 103,000.

- Elington, CT, USA

problem #18

Mar 012011

Altima 6-cyl

  • 62,000 miles
Car purchased new,05 Altima ser 3.5, $30,000 price tag. Noticed rust at approx 3/11, took to dealer they claimed never having seen anything like it before told me to contact Nissan Corp and file complaint, I did ( file #[xxx]) dealership also took pictures and sent them to Nissan. " [xxx]" Nissan regional specialist ( ex: # 457225) stated it was not there problem "rust happens". rust in floorboards on passenger side of vehicle. Vehicle has now 67,000 miles and now carries my new born son, born 5/09/11. Why isn't this being addressed, where's is the governments protection of my family and I " there are so many complaints about the same issue online and in blogs. What are U waiting for" [xxx] information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Phila, PA, USA

problem #17

Mar 022010

Altima 4-cyl

  • miles
What once was two decent sized rust areas on the floorboard of my Nissan Altima is now two gaping holes in which you can see and put your hand straight through and touch the ground outside if it wasn't for the carpet. I first noticed it when I was getting an oil change and my mechanic pointed out to me. The it all made sense because when ever it rained or snowed badly in my area I would always have wet floors and at first I thought something was leaking but I now know it's the two rust corrosion spot in the floorboard. And some days the odor from the wetness on the carpet is pungent. One is on the driver side and the other is right on the passenger side. I was looking through my warranty and vehicle info books that came with the vehicle and it definitely shows that rust warranty is lifetime or something to that nature I am going to look at it once again and ensure if that information is correct.

- Edison, NJ, USA

problem #16

Dec 022011

Altima 4-cyl

  • miles
My 2005 Nissan Altima driver side floor has rotted until there are holes in the floor. The floor need to be patched.

- Monroeville, PA, USA

problem #15

Nov 072011

Altima 6-cyl

  • miles
I filed a complaint with Nissan North America regarding rust damage on my 2005 Altima 3.5 SE w/67,000 mi. After being referred to my dealership for an investigation a rep with Nissan regional Consumer Affairs says that unfortunately my warranty doesn't cover rust after 5 years. I asked if it''s Nissan''s position that I was negligent in maintaining my vehicle. How else would you explain a 6 yr low-mileage car having extensive rust issues" would they at least admit to partial responsibility and help with the cost of repairs" everything on my car is still like new except premature rusting through the floorboards on both the driver's side and passenger side. I explained I've diligently maintained this vehicle with the hopes of it lasting for years based on the reputation of imported cars. It's been garaged during most inclement weather. I explained how shocked I was when I saw all the complaints, forums, and blogs regarding this issue. There seems to be a problem either with the material (durasteel) or the manufacturing process of all the gen 3 and 4 Altima that allows water to infiltrate between the metal on the floorboards causing premature rust through. There are plastic plugs that become dislodged or are not installed correctly. Nissan will not stand behind their product and help with the repairs. Nissan has been required to extend the warranty on the rear subframe so they are aware of issue with the metals they're using. Regardless, I will never own another Nissan. Please check and if you're facing the same expensive repair, call Nissan Consumer Affairs @ 800-647-7261 and ask to file a complaint. They will be surprised and say "this is the first we've heard of this." don't waste your time waiting for a reply. Immediately file a complaint with the better business bureau and NHTSA. Your Nissan rep will cheerfully give you the numbers.

- Lincoln, NE, USA

problem #14

Nov 092011


  • miles
I purchased my 2005 Nissan Altima 2.5S used in November of 2006. It had approximately 33,000 miles on it. Five years later, the car has 101,000 miles on it and the passenger side floorboard has major rust damage; so much that you can actually touch the interior rubber floorboard of the car from the outside. I have yet to take it to a Nissan dealership, since I know my warranty is expired, but I have had many professionals take a look and they are rendered speechless over the damage. I have been told numerous times that the damage is obviously a factory defect, a car that's only a few years old should not have that kind of damage and that it would cost well over $1000 to repair. I have maintained my vehicle well and haven't had any other major problems with it; just the usual replacements. I've put a new battery in it recently, I've had the brakes replaced twice, rotors once; it currently needs a new serpentine belt, lower ball joint and the muffler is showing rust, so that will be a replacement in the near future. I've read about people who live in cold, snowy areas having these problems as well, due to salt and chemical exposure. I wash and dry my car after every snow, including the undercarriage, to remove these chemicals. I do not park in wet areas, grass or dirt. My car has always been on concrete. Nothing in my car leaks, I've never had standing water in it, I've never had wet floors. This is a defect that Nissan needs to take full responsibility for. I am beyond overwhelmed with the hundreds of complaints I've read in regards to this problem; this affects so many Nissan owners, so it's obviously not a problem caused by owner neglect. The driver side of my car looks fantastic; no rust damage whatsoever, so once again, that proves that I am not negligent or responsible for the rust damage on the passenger side; Nissan is.

- Covington, KY, USA

problem #13

Oct 272011

Altima 4-cyl

  • 86,000 miles
I have just discovered that my 2005 Nissan Altima is rusting under the driver side and also under the passenger side. Under the driver side the rusting is worse, I can just peel off the the rusting area with my bare hands. I know that this type is problem is common with these vehicles, I have seen several pictures published by other Nissan Altima owners on the internet. My car has 86000 miles on it and it is 6 years old. I did not expect such a serious defect on a relatively young car, which was garaged a well cared for ever since a bought it new.

- Franklin, MA, USA

problem #12

Oct 052011


  • 104,000 miles
The contact owns a 2005 Nissan Altima. The contact stated the floor boards on the driver and passenger side were rotten. The vehicle was taken to the dealer who stated the repair cost would be $440 per side in order to repair the floor boards and they were out sourcing the repairs to a body shop. The vehicle was taken to a local mechanic who will replace the floor boards at the owners expense for $600. The manufacturer was notified but offered no assistance. The failure mileage was 104,000.

- North Attleboro, MA, USA

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