The driver of the pickup was pronounced deceased at the scene.
The passenger was airlifted to a nearby trauma centre with life-threatening injuries where they were later pronounced deceased.
The driver has been identified as 76 year old Robert Geffs and the passenger as 29 year old Mark Albrecht, both were from the Tiverton Area.
Anyone with information about the incident are asked to contact the Wellington County OPP or anonymously to Crime Stoppers.