Here is the full list of all 39 Tony Stewart's All-American Racing achievements.
Start a team racing Legend Cars
Start a team racing Street Stock Cars
Win a season in a Modified Car
Complete one season in Career
Complete a season in a Modified Car
Win 25 races
Fully upgrade a Modified Car
Win 10 races
Win a race in Career mode
Buy a part in Career
Create a custom car
Start a team racing Modified Cars
Create a character
Win a race
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
Win 4 split-screen races in one session
Complete a season in a Street Stock Car
Complete a season in a Legend Car
Win a season in a Street Stock Car
Win a season in a Legend Car
Complete 5 seasons in Career
Complete 10 seasons in Career
Earn $5,000,000 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 Street Stock team
Earn a 5-Star Rating for a Legend team
Earn a 5-Star Rating for a Modified team
Fully upgrade a Street Stock Car
Fully upgrade a Legend Car