“Tyson continues to show remorse for his actions and these sanctions are an expression of our disappointment,” Adelaide head of football Adam Kelly said.
“It is crucial that he receives appropriate education on the significant risks and danger of driving while under the influence of alcohol, and road safety more broadly.
“We are thankful that no one was hurt and the club will continue to provide Tyson with the necessary support to ensure he can push through this difficult period.”
Stengle, 21, expressed his remorse in a statement.
“I know that I have let a lot of people down and I want to apologise for what were some poor decisions,” he said.
“I am determined to win back the trust of my teammates and coaches, and that starts with focusing on my training and working hard.”
With the AFL home and away fixture reduced to 17 total games, Stengle will miss a quarter of the remaining 16 regular-season matches.
Stengle has played three AFL games for Adelaide since joining the Crows via a trade at the end of 2018, having previously made two appearances for Richmond.
He featured in round one this year, kicking a goal in the Crows’ loss to Sydney.