Orange Pikmin are the upgrade to Tangerine Pikmin and the downgrade to Red Pikmin from Pikmin 1 2 &3. they are similar to the Tangerine Pikmin, but lose some speed and now move 1.25x faster then normal Pikmin. But what they lose in speed, they gain in power, hitting 0.5x harder then normal Pikmin and can now go through much higher heat including blue flames.

Orange Pikmin
Full Name Orange Pikmin