Hi Stuppa, A good choice. We went for a 6300 on our Troll having lived with one on our Motorhome for eight years. Have mentioned in many previous posts that we are fair weather campers and appreciate that a full awning has many benefits. For us we don't feel we are on holiday until the awning is out, quickly followed with a glass of wine. Don't like the enclosed feeling of a full awning although you can of course get sides for your wind out. For us the full awning is heavy, mucky to take down, if wet needs to be dried out somewhere, you know the rest .Yes, 3.25M is the correct size and John from Rose Awnings Poole fitted ours. Good luck with the fitting, ours was bonded to the roof rather than any mechanical fixings which was our preference. We have a stand alone pop- up awning which we cable tie to the legs of the wind out and that becomes our 'Dining Room'. Works for us. .