South Australian Police have arrested a teenager following an alleged hit-and-run crash at Morphett Vale on Tuesday night.
Police have also released details of a second wanted man.
A 20-year-old man from Sellicks Beach was killed in the crash on Flaxmill Road at about 9:50pm on Tuesday.
Police said he was a passenger in a Toyota Hilux that was involved in a collision with a Ford sedan.
Police will allege the Ford failed to stop and was later found "burnt out in a gully" off the Southern Expressway at Reynella.
The driver of the Toyota, a 22-year-old from Morphett Vale, suffered non-life-threatening injuries and was taken to Flinders Medical Centre.
Police arrested the 19-year-old Ford passenger on Wednesday morning.
"It will be alleged he was a passenger in the Ford," a police statement said.
On Wednesday night, police named Michael Henley, 22, of Morphett Vale, as the suspected driver.
Mr Henley is described as caucasian, 177cm tall, with a slim build.
