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