Are their new achievements specific to the Porsche expansion pack?

Forza Motorsport Legacy Motorsport
1

I see the cars, track and badges. Any new achievements?

2

Yes. There are some that are single player, multiplayer, and others that can be done via either method or free play.

3

List at the bottom of the page.

4

Thank you guys!

5

Yes, there are 19 new achievements totalling 250 gamerscore.

6