I’m looking to buy a quad. I mostly ride on trails in the woods but also some gravel/dirt roads, fields, and some mud. I’ve heard the ex is very reliable and great for trails but I want the power of the 450. I need some help, please give your choice and why

I’m looking to buy a quad. I mostly ride on trails in the woods but also some gravel/dirt roads, fields, and some mud. I’ve heard the ex is very reliable and great for trails but I want the power of the 450. I need some help, please give your choice and why