Hammond said all charges “will be kept under review as the investigation progresses”.
UK media reported that Doyle was a businessman and former marine, with three teenage children.
Hundreds of thousands of Reds fans had gathered in Liverpool city centre when scenes of joy turned to horror.
Images on social media showed the car ploughing through a crowd, running over people and others bouncing off its bonnet.
Four people, including one child, were trapped under the vehicle, which had to be lifted to remove them, fire services said.
In other clips circulating online, the vehicle was seen being halted and swarmed by angry fans, who smashed the back windows as police sought to hold them back.
Police quickly ruled out terrorism, as well as releasing that the suspect was a white British man, revealing his ethnicity in a rare move to quell misinformation online.
