2003 Nissan Altima Consumer Review: Beware the Catalytic Converter

2003 Nissan Altima - Consumer Review

Average Consumer Rating

433 Total Reviews

3.5 SE Sedan (3.5L V6 5-speed Manual)

Build Quality
Reliability Value
1 of 1 people found this review helpful
Beware the Catalytic Converter
By Anniee on


2003 Nissan Altima 3.5 SE 4dr Sedan (3.5L 6cyl 5M)


Originally car was great-looking and drove beautifully. Last year started to drive rough and didn't pass emissions. Had to pay $1200 to replace 4 valve cover gaskets. Was driving on major interstate at 60 MPH in the fast lane and the car suddenly stopped dead. Scariest moment of my life. The dealer is saying pay $1300 for catalytic converter. This apparently a HUGE problem with Nissan Altimas. Get yours checked before the 8 yr. 80,000 mandatory replacement expires, because Nissan won't replace if you are at 80,001. Disappointing at best and no longer have confidence in car.

Best Features

The look of the car is awesome!

Worst Features

Paint is a bit cheap and thin and is easily scratched. The middle console should be more durable. There are problems with the catalytic converters on an ongoing basis.
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