Here is the full list of all 47 Need for Speed: Most Wanted trophies - there are 35 bronze, 9 silver, 2 gold and 1 platinum.
Awarded for successfully collecting all Most Wanted trophies
Break through every Security Gate
Smash every Billboard
Jump over 200 yards (182.88 meters) through a Billboard
Unlock all the Pro mods on a car (Single Player)
Wreck 10 cops in a single pursuit in the Ford F-150 SVT Raptor
Finish first in every race, in every car (Single Player)
Get 5 or more NFS friends
Escape successfully from all Heat levels
Takedown 50 Cops
Drive every Car
Shut down Most Wanted car number 1: Koenigsegg Agera R (Single Player)
Find every Jack Spot
Own all the Most Wanted cars (Single Player)
Trigger every Speed Camera
Shut down Most Wanted car number 3: Bugatti Veyron Super Sport (Single Player)
Shut down Most Wanted car number 2: Pagani Huayra (Single Player)
Shut down Most Wanted car number 4: Lamborghini Aventador (Single Player)
Shut down Most Wanted car number 5: Porsche 918 Spyder Concept (Single Player)
Shut down Most Wanted car number 7: Lexus LFA (Single Player)
Use a Billboard and a Jack Spot to successfully evade a pursuit (Single Player)
Escape from the cops in the Marussia B2
Escape the cops with at least one blown tire
Unlock 3 Pro Mods in Multiplayer
Play a Custom Speedlist you have created (Multiplayer)
Customize your license plate and number in Multiplayer
Shut down Most Wanted car number 6: McLaren MP4-12C (Single Player)
Drive over 5 spike strips with re-inflates equipped
Shut down Most Wanted car number 8: Mercedes-Benz SL 65 AMG (Single Player)
Beat a friend’s Autolog Recommendation
Shut down Most Wanted car number 10: Alfa Romeo 4C Concept (Single Player)
Shut down Most Wanted car number 9: Shelby COBRA 427® (Single Player)
Move up the Most Wanted List for the first time
Repair a burst tire at a Bodyshop
Get Busted for the first time
Use a Jack Spot in a Pursuit (Single Player)
Takedown every racer at least once in a single race
Takedown your first Cop
Smash through a roadblock without crashing
Drive through a roadblock without hitting it
Takedown a friend in Multiplayer
Do a 250 yard (228.6 meter) drift
Trigger a speed camera at over 200mph (321.97km/h)
Smash a friend’s face on a billboard and beat their jump distance
Empty a full nitrous bar without hitting anything
Use a Bodyshop to paint or repair your car for the first time
Unlock a mod for a car in Multiplayer