A Brisbane District Court trial last year was told Christie Lee Kennedy, 38, had been married to David Larkin for almost a decade when she found out he was having an affair with Zowie Noring in March 2021.
Using a phone locator app, Kennedy quickly tracked down her husband and discovered him talking with his lover by the side of the road at Wavell Heights, in Brisbane's north.
Kennedy accelerated towards them, on the wrong side of road "for some time", before driving into the duo, crown prosecutor Jennifer O'Brien told the jury.
The mother of two also got out of her car, grabbed Ms Noring by the hair and repeatedly punched her while screaming obscenities, the court was told.
She was found not guilty with a majority jury verdict on two counts of malicious acts with intent to disable.
But the jury was discharged after being unable to reach a verdict on two alternative charges of assault occasioning bodily harm while armed.
Due to face a retrial this week on those charges, she instead pleaded guilty on Monday to a downgraded charge of dangerous driving. She had earlier pleaded guilty to an assault charge stemming from the same incident.
Kennedy was sentenced on Monday to a nine-month suspended jail sentence, disqualified from driving for nine months and ordered to pay Mr Larkin and Ms Noring $5000 each.
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