Race Driver: GRID Unlockables

1st and 2nd at Global (25) - Get a 2-1 at Global Level
Airborne (15) - Get the car airborne for 1 second
Back To Front (10) - Cross the finish line in first place in reverse
Beat Codies (30) - Beat the developer or anyone who has beaten the developer online
Car Wreck (5) - Cause insane damage to your car
City Slicker (20) - Race in every city
Combo King (20) - Get a x50 Drift Multiplayer
Corporate Power (10) - Fill all your sponsor slots
Driver for Hire (10) - Race for a team from every region
Filthy Rich (25) - Earn enough to buy a brand new Lamborghini Murcielago GTR
First Wheels (5) - Buy your first car
First Win! (10) - Win your first race
First Xbox LIVE Win (10) - Win your first ranked Xbox LIVE race
Five Xbox LIVE Wins (30) - Win 5 ranked Xbox LIVE races
Flashback & Win (5) - Use the Flashback feature and win the race
Full Rep (10) - Earn the full reputation available on EXTREME difficulty
Gentleman Driver (30) - Win an entire GRID World Event without making contact with other cars
Global License (20) - Unlock your Global License
Globe Hopper (30) - Race at every location
Gotta Drive 'Em All (30) - Drive every car 30 points
Hard Charger (20) - Win a 12 car race starting from the back of the Grid
Head 2 Head (30) - Win your first Head 2 Head race
High Mileage (30) - Drive 750 miles in a single car
Hire & Fire (10) - Hire a new teammate with a higher rank than your current one
Hot Lap (20) - Beat the original lap record on any track
Keep Drifting (10) - Drift your car for 5 seconds
Keep Rolling (10) - Roll your car 20 times
Last Man Standing (20) - Be the last survivor of a single player Demolition Derby
Le Mans Legend (30) - Win a Le Mans 24 Hour race on Pro Mode.
Le Mans Rookie (15) - Complete your first Le Mans 24 hour race
Long Haul (40) - Drive a total of 1000 miles
New Kid on the Block (5) - Complete your first race
Online Elite (30) - Obtain the 'Elite' rank in the Xbox LIVE game mode.
Online Legend (50) - Obtain the 'Legend' rank in the Xbox LIVE game mode.
Power Seller (25) - Sell a car for more than you paid for it
Record Breaker (10) - Complete a lap of Okatama Grand Circuit in under 90 seconds
Road Block (10) - Be involved in a 3 car pile-up
Seasoned Pro (30) - Win all Event Trophies
Short Haul (30) - Drive a total of 500 miles
Speed Demon (10) - Reach 200mph in any car in a GRID World race
Spin & Win (10) - Complete a 360º spin and still win the race
Stick Shift (10) - Win a race using manual transmission
Sunday Drivers (30) - Finish a race at least one lap ahead of the rest of the field in GRID World or Race Day
Team Win (20) - Take your team to win its first Event
Top of Team Leaderboard (35) - Top the Team Leaderboard
Top of the Tree (35) - Top the Driver Leaderboard
Touge King (20) - Win a Touge Event on EXTREME difficulty
When Will I Be Famous? (20) - Get onto a Hall of Fame Leaderboard
Winning Streak (15) - Win all races in an Event
You Again? (20) - Lap an opponent in a 12 car GRID World race

Sourece: www.gamesradar.com