Full list of all 50 Full Auto achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox 360.
Finished in 1st place in 100 Races
Killed 1,000 Opponents
Survived every event in this series
Achieved Rank Level 10 in Xbox Live play
Survived every event in the Street Races series in Career Mode
Achieved Rank Level 9 in Xbox Live play
Achieved Rank Level 8 in Xbox Live play
Achieved Live Level 7 in Xbox Live play
Achieved Rank Level 6 in Xbox Live play
Achieved Rank Level 5 in Xbox Live play
Achieved Rank Level 4 in Xbox Live play
Achieved Rank Level 3 in Xbox Live play
Achieved Rank Level 2 in Xbox Live play
Achieved Rank Level 1 in Xbox Live play
Finished in 1st place in 50 Races
Won a Lap Knockout set to Master AI Difficulty
Won a Down-and-Back set to Master AI Difficulty
Killed 500 Opponents
Killed five Opponents in rapid succession
Killed 250 Opponents
Won a Point-to-Point set to Master AI Difficulty
Won a Circuit set to Master AI Difficulty
Finished in 1st place in 25 Races
Accumulated 1,000,000 Wreck Points
Killed 100 Opponents
Accumulated 500,000 Wreck Points
Killed eight Opponents in rapid succession
Killed three Opponents in rapid succession
Finished in 1st place in 10 Races
Accumulated 100,000 Wreck Points
Accumulated 50,000 Wreck Points
Accumulated 10,000 Wreck Points
Finished a Race and won a Full Auto Medal
Finished a Race and won a Semi Auto Medal
Win a Semi Auto Medal in every Race in Career Mode
Win a Full Auto Medal in every event in Campaigns