Here is the full list of all 45 Need for Speed achievements.
Win all the Prestige events
Win Gold on all Prestige events
Take a Snapshot with a Filter in Snapshot Pro Mode
Win five Drag Race events
Win events driving Ken's and Morohoshi's cars
Win an event in Eddie's Car
Reach REP Level 70
Complete 15 daily challenges
Reach Monthly Rank 10 by Completing Daily Challenges
Win all the events in a Speedlist
Tune a car to max drift or grip settings
Equip top end performance parts to each category of a car
Become the Ultimate Icon
Get a 350000 Drift Score in Mental Block with Ken's car
Put Ken's or Morohoshi's car in your garage
Become a Build Icon
Reach the top with your crew
Become a Speed Icon
Become a Style Icon
Become an Outlaw Icon
Meet the legendary builder Nakai-San
Reach REP Level 50
Fill each spot in your garage
Buy your first Hot Rod
Uncover the truth about the Outlaw
Complete a single-take of Ken's Gymkhana
Share a Wrap with the Need for Speed™ Community
Complete Eddie's Challenge
Beat Magnus' personal challenge
Get called out by other racers 50 times for your skills
Beat the Outlaw's "2 roadblocks in a pursuit" challenge
Complete the drift train mission with the Risky Devil crew
Reach REP Level 25
Max out all 5 scoring styles in a single moment
Compete against Amy's high horsepower contacts
Download a shared wrap
Find yourself a crew
Learn to drive with style
Beat Magnus' record time
Reach REP Level 10
Win three events in a row
Win any event with a tuned car
Purchase another car for your garage
Acquire your spot in the garage
Take your first snapshot