I just bought a 2011 Nissan Altima 2.5s with 160,000 miles on it?

I just bought this car two days ago, it looks and drives perfect. I know that is a lot of miles but as long as the rental company kept up with maintenance it should have many more miles on it. Can I put another 50k-100k more miles on it in the future? Are Nissan Altima's up to par with Honda/Toyota?

No, not a honda/toyota. Bad reviews.