Shane Clark had been awake for four days, smoking ice, before the incidents on November 25 and 26 last year.

Judge Howard Mason said his actions could have caused great harm to other people on the road following a "shocking tirade of vulgar abuse" against his partner.

Clark broke up with the victim four days before the attack, and moved in with his sister in Benalla.

He borrowed a Volkswagen Golf from a friend and drove to her home about 11.30pm on the 25th.

He called her a slut, accused her of sleeping with other men and put his hands on her chest.

She said she would call the police and Clark grabbed a fork from the kitchen and scratched his neck, chest and face.

The 32-year-old said he would slit her throat and threatened to kill himself.

He grabbed her by the throat and again threatened to kill her.

"Enjoy your sleep tonight, I'll be back and when I see you I'm gunna slit your f---ing throat," he said as he left.

Clark sent the victim a text message at 2.23am the following day and posted a goodbye message on Facebook, leaving her distressed.

Police removed the woman from her home before two Wangaratta officers went out in search of Clark.

They found him at a recreation reserve and one officer positioned their van to block Clark from leaving.

He reversed back and forward and accelerated straight at the police car, hitting the left passenger side, before hitting it again.

Clark drove away and passed the victim's home.

Two other officers saw him at Glenrowan and were concerned about his "extreme" driving.

A constable was getting out of the police car to set up road spikes before a sergeant screamed to get back in.

"He's going to f---ing ram us," he said moments before the car was struck at up to 60km/h near the intersection of Gladstone Street and Beaconsfield Parade.

IN OTHER NEWS:

The impact flung the sergeant into the police car's pillar and Clark continued to drive on Gladstone Street.

Police pursued and tried to stop his vehicle by nudging it.

The car hit gravel near the CFA building, hit a culvert, scraped two trees and landed heavily.

The vehicle was destroyed.

Clark's dog was in the car at the time, tied to the gear stick.

Judge Mason said it was lucky the police weren't seriously injured.

"Emergency workers such as police regularly put their lives at risk in service to the community," he said.

Clark will be eligible for parole in three years.