Here is the full list of all 40 SRX: The Game achievements.
Win a race
Win 10 races
Win 25 races
Win 50 races
Win 75 races
Win 100 races
Win 200 races
Complete a 100% length race
Win a 100% length race
Race at every track
Win a race in split-screen
Create a character
Create a custom car
Complete a season in a Sprint 305 Car
Complete a season in a Stadium Truck
Complete a season in a Late Model Car
Complete a season in an SRX car
Win a season in a Sprint 305 Car
Win a season in a Stadium Truck
Win a season in a Late Model Car
Win a season in an SRX car
Complete one season in Career
Complete 5 seasons in Career
Complete 10 seasons in Career
Start a team racing Sprint 305 Cars
Start a team racing Stadium Trucks
Start a team racing Late Model Cars
Start a team racing SRX Cars
Win a race in Career mode
Earn $5,000,000 in Career
Buy a part in Career
Complete a race in Online Multiplayer
Complete 10 races in Online Multiplayer
Win a race in Online Multiplayer
Win 10 races in Online Multiplayer
Earn a 5-Star Rating for a Sprint 305 team
Earn a 5-Star Rating for a Stadium Trucks team
Earn a 5-Star Rating for a Late Model team
Earn a 5-Star Rating for an SRX team
Fully employ a team