Strongest Uchiha clan member's Key abilities

Sasuke Uchiha

Mangekyō Sharingan, Eternal Mangekyō Sharingan, Rinnegan, Jūgo's Clan's Kekkei Genkai, and Snake Manipulation.

Madara Uchiha

Mangekyō Sharingan, Eternal Mangekyō Sharingan, Rinnegan, Wood Release, and Illusion.

Obito Uchiha

Mangekyō Sharingan, Rinnegan, Wood Release, Eternal Mangekyō Sharingan.

Mangekyō Sharingan, Rinnegan, Eternal Mangekyō Sharingan.

Itachi Uchiha

Ninjutsu, Mangekyō Sharingan

Izuna Uchiha

Shisui Uchiha

Mangekyō Sharingan, Rinnegan, Eternal Mangekyō Sharingan.

Shin Uchiha

Mangekyō Sharingan, Kamui technique.

Fugaku Uchiha

Sharingan And Other Abilities Were Not Seen In The Naruto Series 

Kagami Uchiha

kekkei genkai, Sharingan, casting subtle genjutsu.

Sarada Uchiha

Sharingan, Fire Release, Lightning Release, Wind Release, Shurikenjutsu.