Here is the full list of all 45 Project CARS achievements.
Made your brakes reach a temperature of 1000° C
Crashed on or before the first corner then went on to win the race
Won a Quick Race Weekend with Full Damage, Mechanical Failures, and Tire Wear (must be 5+ laps)
Created and saved a Pit Strategy
Earned all other Trophies/Achievements
Won the LMP1 World Championship within ten seasons
Defended a Career Championship for three consecutive years
Won three Career Championships in three different motorsport disciplines
Completed three Historic Goals and became a racing legend!
Signed 8 Endorsement deals
Received 12 Invitations
Completed every Practice, Qualifying, and Race session in every round in a Career Championship
Won every race in a Career Championship
Won the same Career Championship two years consecutively
Won a Team Championship two years consecutively
Won your first Accolade
Won 22 Accolades
Received more than 500 messages from your fans
Won more than 50 events with your Signature Car
Have an Affinity greater than 50% in all car classes
Won more than 20 events at your Favorite Location
Took a photo of your Signature Car at your Favorite Location
Drove faster than 333 km/h for over 6.66 consecutive secs
Had a reaction time of less than 0.2 secs off the starting grid
Entered and exited the pit lane without losing a position (cannot be in last place)
Performed three consecutive laps within 0.1 sec of each other
Overtook a car using Formula A KERS
Got pole position in qualifying, fastest lap in the race and won whilst leading every lap
Completed a 24 hour race using only realtime progression (and why not stream it?!)
Braked to a standstill from 100-0 km/h within 2 secs
Got all four wheels in the air for more than 0.88 secs
Lapped an opponent in a race
Completed a Quick Race Weekend lap of Azure Circuit in reverse from cockpit view without collisions
Driven the speed limit (50 km/h) in an Italian car and appreciated the Azure coastal scenery (Free Practice not allowed)
Ran the California Highway in under 9 mins in a US car
Crashed into the AI counterpart of an SMS employee
Entered and completed more than 25 Online races
Finished on the podium more than 50 times in an Online Public race
Won an Online Public race using manual gears, and no driving aids, from cockpit view
Won three Online Public races in a row without being involved in a major collision
Completed more than 3 Online races with 50% of them avoiding a major collision
Set a Pole Position time in an Online Public qualifying session
Beat a Ghost from the Time Trial Leaderboards
Set a time at 50 locations (variations and reverse layouts not necessary)
Participated in 20 Driver Network Community Events