Here is the full list of all 19 Death Toll achievements.
Run someone over
Hop in a vehicle with a team mate
Join a team
No turning back now
Kill 100 players
Kill 200 players
Pop 25 tires
Die from your own doing
Destroy a vehicle
Fly in a plane
Pickup a briefcase
Get a motorcycle airborne for 5 seconds
Repair 25 vehicle parts
Hop in a helicopter with 2 other team mates
Make a kill from a long distance
Escape the island with all brief cases
Pickup all 4 cases
Win a match without killing
Complete the Intro