The car exploded in front of a restaurant that is located near a hospital, according to al-Sumaria.
Videos and photos allegedly showing the aftermath of the explosion have since emerged online.
Since the defeat of the Daesh* terrorist group in 2017, explosions have been rare in Iraq's oil-rich Basra.
No group has claimed responsibility for the explosion so far.
*Daesh (IS/ISIS/ISIL) is a terrorist organistion banned in Russia.