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