Clearly you are not going to accept any official source which is says ''Maul is faster than Vader.''
So arguing is pointless. Even though George Lucas himself said that Vader is crippled half droid half man and he wanted to be much more energetic and faster ; Darth Maul.
Doesn't really matter, it is just belong to his power set, it cannot be changed. His breathing apparatus and his heavy armor makes him slower than peak force sensitives.
Saying ''slow'' politely :
.
''Heavy outfit and breathing apparatus could make it difficult for him to launch a surprise attack.''
3 ABY - Tales 4
Bounty Hunter Stauz Czycz vs. Vader
Another example ; Vader fails to tag him.
Originally posted by Marco1907
Doesn't really matter, it is just belong to his power set, it cannot be changed. His breathing apparatus and his heavy armor makes him slower than peak force sensitives.Saying ''slow'' politely :
.
3 ABY - Tales 4
Bounty Hunter Stauz Czycz vs. Vader
Another example ; Vader fails to tag him.