The man who died in Friday afternoon's collision on the A358 at Bicknoller has been named by police as Philip Sayers.
Mr Sayers, 88, died at Musgrove Park Hospital in Taunton on Friday night after being involved in a collision at the junction of Halsway Hill and Upcott Lane at around 3pm that afternoon.
A Volvo car driven by Mr Sayers, from the Taunton area, was in collision with a Suzuki Swift.
Two casualties were cut free from the Suzuki by fire crews and airlifted to Frenchay Hospital in Bristol.
Avon and Somerset Police have this morning renewed their appeal for anyone who witnessed the incident to contact the collision investigation unit on 101.