The 3.3 in the 1st gen Xterra is a dog and it gets awful gas mileage. Overall, Nissan just seems to have less polish than Toyota does. But Nissans are pretty reliable, just like Yotas.
The 2nd gen Xterra is actually pretty nice, but I'd take a 3rd or 4th gen over it still. I have had a 2nd gen...