Horses only get to upgrade to level 50, regardless of type. That's the advantage of buying a real horse, instead of the starter "freebie" one: you can get a higher capacity or speed ultimately, total.
-First-Wave Closed Beta Tester of the Psijic Order, aka the 0.016 percent. Exploits suck. Don't blame just the game, blame the players abusing them! -Playing since July 2013, back when we had a killspam channel in Cyrodiil and the lands of Tamriel were roamed by dinosaurs.
________________ -In-game mains abound with "Nerf" in their name. As I am asked occasionally, I do not play on anything but the PC NA Megaserver at this time.