Miss Proctor said Mr Guest, a car valeter, was cut and grazed and later complained of pain and flashbacks.
Robinson had at first lied to police in saying that his dashcam was broken and not in his car.
“There was a substantial risk of danger in particular to Mr Guest and those in their gardens next to the dirt path,” the prosecutor added.
Simon Killeen, defending, said Robinson lived with his wife and was under additional stress because of her illness at the time. “What he did was completely out of character,” the barrister said. “He’s highly unlikely to be back before this court again.”
Robinson claimed Mr Guest had struck his wing mirror but the defendant made the “appalling” decision to pursue him afterwards, Mr Killeen added.
Judge Timothy Petts imposed a driving ban of three years and four months and sentenced Robinson to eight months in prison on March 15.
Judge Petts said Robinson had reacted “in a grossly disproportionate way” when the dispute with Mr Guest began.
He added: “For anyone to use their car as a weapon as you were doing to settle a grudge with a more vulnerable road user is highly dangerous and the sentence has to reflect that. You were driving completely out of control.
“It’s no thanks to you the injuries were not more serious than they were.”
