What is better the old aprilia rs125 or the new model?
Get an old one. I wouldn’t spend 4K on a 125, it’s absurd when you think you could get a used Blackbird or a Fireblade for that money. Also, the difference in performance is neglible between old and new, there’s only so much you can squeeze out of a 125. Save your money until you can legally ride a big bike. If you do buy used, make sure you get a FSH, don’t touch anything without. And make sure it’s stamped by a proper dealer, if not, just walk away. Remember they need an engine rebuild every 10k miles. They can be a nightmare to fix when they go wrong. PS, don’t let your desire for the bike get the better of you. They’re gorgeous little bikes 🙂 But stay focused and you should get a good deal.