Here is the full list of all 15 Speedy Girls - there are Dream Team achievements.
Complete 30 races
Complete 10 races
Complete 20 races
Maximize the characteristics of any car
Chat with all girls
Receive gratitude from Lee Seungmi
Become a sponsor of Lee Seungmi
Receive gratitude from Daniela
Become a sponsor Daniela
Receive gratitude from Natasha
Become a sponsor of Natasha
Receive gratitude from Hanna
Become a sponsor of Hanna
Receive gratitude from Simone
Become a sponsor of Simone