Here is the full list of all 49 BAJA: Edge of Control HD achievements.
Finished a race in first place.
Finished a career race in 1st place.
Finish in 1st place in any league during your career.
Accumulate a total of 1 mile of distance traveled while airborne.
Finished a race in 1st, 2nd or 3rd with no body damage what so ever.
Completed an entire race without ever leaving the track.
Finish a race in 1st, 2nd or 3rd with no flat tires.
Finished a Baja 250 race.
Finished a Baja 500 race.
Finished a Baja 1000 race.
Completed 100% of the career!
Finished a race without any body panels attached to a vehicle.
Found every hidden Discovery in Free Ride.
Finished 1st in every race in Cabo San Lucas.
Finished 1st in every race in Canyon De Chelly.
Finished 1st in every race in Cocono Island.
Finished 1st in every race in Lake Powell.
Finished 1st in every race in Uyuni Salt Flats.
Finished 1st in every race in Nevada.
Finished 1st in every race in Painted Desert.
Finished 1st in every race in Mogollon Rim.
Finished 1st in every race in Canyon Lake.
Finished 1st in every Hill Climb race.
Finished 1st in every Open Class race.
Purchased 15 vehicles.
Purchased 25 vehicles.
Drove 1000 miles in all vehicles combined.
Drove 2000 miles in all vehicles combined.
Earn enough experience points to unlock the Unlimited VW race leagues.
Earn enough experience points to unlock the 4X4 Class race leagues.
Earn enough experience to unlock the Open-Wheel race leagues.
Earn enough experience to unlock the Mini Truck race leagues
Earn enough experience points to unlock the Full Size Truck race leagues.
Earn enough experience points to unlock the Class 1 race leagues.
Earn enough experience points to unlock the Trophy Truck race leagues.
Finished 1st in 5 Invitationals races.
Won three races in a row.
Watch all of the tutorial videos.
Play at least 5 hours in Multiplayer.
Use the clutch at least 5 times in one race.
Use the hand brake at least 5 times in one race.
Get fully repaired by the helicopter for the first time.
Have 1 million credits in your account.
Get fully repaired in the Hot Pit for the first time.
Complete the Baja 1000 in a Trophy Truck.
Finish 1st in a race with the AI and Laps set to 5 or more using a manual transmission.
Use preload at least 5 times in one race.
Roll your vehicle at least 3 times in a row.
Achieve a minimum top speed of 120 MPH.