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