Clarkson previously said he has reservations about the EU.
However, he backed Remain and even made a video with his co-host James May during the 2016 Brexit referendum campaign.
In January 2019, as the UK remained in deadlock with the EU over withdrawal talks, the TV star branded Brexit a “cluster****”.
He told Express.co.uk: “It’s a complete clusterf***.
“It’s exactly – I don’t like to speak for my colleagues – what we predicted 18 months ago.
“If someone said ‘Richard Hammond, you are going to present Britain’s Heaviest Sheepdog, you’ve got three days’ you wouldn’t be able to.”