The best formation should depend on your own players. If your players' are most good at pace, 4-4-2 or 3-4-3 formations may be all right. They are all attacking formation because they offer plenty of width in attack which makes it suitable for those who love crossing. There are totally 25 formation in FIFA  Ultimate Team Coins, and the best formation depend on your players attributes. Here is our recommend best formation for your different players.
Good Pace Players Formation : 4-1-2-1-2One of most popular formations in FUT 16, this formation has good defensive security in midfield with good pace and defensively, it has been one of the most balanced formation in FUT 16.
CAM With Good Defending Players Formation : 3-5-2It’s really solid formation in FUT 16. especially when you have a excellent CAM like Mesut Ozil or Thomas Muller. This formation provides 5 or even 7 elements to defend when you need to hold on a result. Suitable for those who like to dominating.
Good Passing Players Formation : 4-2-3-1With good passing. 4-2-3-1 formation has three of attacking players increasing the range of offensive possibilities. And the two ADM’s give plenty of cover at the back.
ST with Good Shooting Players Formation : 4-3-34-3-3 formation is famous by Barcelona in last few years. This formation is good at playing a counter attacking game. To make the success rate to fifa coins score. You need a ST with good shoot and pace.
Good Dribbling Players Formation : 4-5-1There are 5 players in midfield. You can keep the ball with good dribbling. 4-5-1 is also the favorite formation for many European teams.