Trouble with armrests is that you tend to rest your arm on them! And then when a tyre blows out at speed (70mph max of course!) as happened to me in my Audi 100 on the M42 a few years ago, in the dark, overtaking two lanes of trucks, the steering wheel pulls sharply and your fighting to keep it straight. That's when you find the armrest's in the way!! I had more of an elbow rest in the Audi so it was out of the way. But the
Ibiza rest is long and if you're around six foot or more and sit well back ...........