CVT technology is decades old, but has never been mass-scale commercially
viable until just a couple years ago. Because of the reduction in number of
moving parts CVT transmission have generally had more long-term durability
than typical transmissions. So far, the reliability of the Altima, and other
2007 Nissan products, has been very good. To get a better gauge of long-term
viability of CVT vehicles look at their quality record in Japan, which is
excellent, where they have been produced for several years and are subjected
to much more stop-and-go driving.

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