Here is the full list of all 50 The Crew Motorfest achievements.
Spend 24 Hours in The Crew Motorfest
Spend 1 Million Bucks in one purchase
Complete 30 Challenges
Complete 6 Playlists
Complete 20 Photo Ops
Perform 31 Different Motorfest Feats
Reach Level 15
Complete all three timelines on the Motorfest Main Stage
Fully customize one vehicle (Visual parts and Livery)
Complete a custom event with a Crew of 4 players
Complete all activities of a Summit Contest
Stay still for 1 minute on the beach in front of the Royal Hawaiian Hotel
Complete 5 events in Main Stage Mode in the same session
Complete a Speedtrap instance with a boat
Stay in a Car meet car for 10 seconds or more
Submit 1 vehicle to the Custom show
Chain a 15 actions combo with Dynamic Freestyle
Chain two bike backflips while in the air and use fast fav with a plane, before reaching the ground
Fly under 5 differents bridges in the same session
Reach the summit of the volcano with a ground vehicle
Become a Motorfest Legend for the first time
Complete a Summit Contest event
Win by completing the event without hitting a wall, or track limits, driving in Ebisu Style
Win 5 custom events in the same session
Drive or Fly 5 Km in formation with a Crew member, in the same session
Destroy 3 vehicles in Demolition Royale in the same session
Transform into a monster truck twice in a single game of demolition royale
Join, or form a Crew
Try to leave Hawaii (boat or plane) by reaching the limit of the map
Own 30 Vehicles
Perform a donut move around the pineapple shop
Perform a donut move in the Ubisoft logo
Complete 15 Motorfest Events
Complete a Playlist for the first time
Fly through the "Rule the Streets" inflatable donut with a plane
Fly as high as possible
Reach maximum level on one vehicle
Participate in a Demolition Royale event
Overtake 12 players in the Grand Race in the same session
Participate in a Grand Race event
Use up the rewind feature fully 1 time
Reach 88 MPH (142 Km/h) with the Delorean DMC-12 and use the rewind feature
Vote for 5 cars in the Custom show in the same session
Use the fast travel feature for the first time
Take 3 photos in the same session
Find and open a Treasure
Travel 40 Kilometers (25 miles) anywhere in Hawaii in the same session
Equip your avatar with the casual tuxedo and drive an Aston martin car
Complete your Motorfest welcome for the first time
Own a vehicle in 10 different vehicle categories