We have updated results for the Altima to include owner experiences through December 31, 2010. Other sources of car reliability information won't cover the months since April until the summer or even fall of this year.
Repair frequencies, in terms of repair trips per 100 cars per year:
2010: 17, better than average
2009: 46, about average
2008: 25, better than average
We have two additional statistics, "Nada-odds" and "Lemon-odds," to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop.
These stats, for the years with enough data:
2009: 67, 4
2008: 84, less than 1
Nissan Altima Lemon-odds and Nada-odds
Thank you, once again, to everyone who has been helping. We'll have further updates in May and August. With more participants, we could provide more precise information and cover all model years.
To see how competitors compare, and to sign up to help:
Nissan Altima reliability ratings and comparisons