The driver of the SUV, a 26-year-old Singaporean tourist, appeared in the Dunedin District Court today on a charge of dangerous driving causing death.
He has been remanded in custody and will appear in court again tomorrow.
Balclutha police said they want to speak to the driver of the truck that was being overtaken, described as being red with silver trim on the side with a solid back and double doors.
It was travelling northbound at the time of the crash around 1.20pm.
Anyone with information should contact Balclutha Police on (03) 418 0203 or call Crimestoppers anonymously on 0800 555 111.