The two-vehicle crash happened around 1:40 p.m. at Bricher Road and Fisher Drive in Geneva, police said.
A 85-year-old Geneva man driving a 2005 Toyota Corolla attempted to turn onto Bricher Road from Fisher Drive when his vehicle was struck by a BMW X3 that was traveling on Bricher, Geneva police said.
The 85-year-old driver and his 88-year-old wife who was a passenger in the vehicle, were both killed in the crash. They have not yet been identified.
The BMW was driven by an 18-year-old man, police said. There were also three passengers, ages 18 to 19. Their vehicle caught fire after the crash, but was extinguished.
One BMW passenger was taken to a hospital, and the driver and another passenger were treated at the scene for injuries.
No charges have been filed and the crash remains under investigation, Geneva police said.
No further information was immediately available.