Betty Laird, 88, suffered fatal spinal injuries when the Renault Kangoo she was a passenger in was struck on Old Lane, Beeston, Leeds, in September 2014.
The jury was told a VW Passat was driven into the side of the Kangoo in order to make fraudulent injury compensation claims from insurance companies.
Today Raja Hussain ,31, was sentenced to 15 years for manslaughter and conspiracy to commit fraud.
Sabbir Hussain, 25, was sentenced to 12 years for manslaughter and conspiracy to commit fraud.
Shahrear Islam-Miah, 26, who was cleared of manslaughter, was sentenced to four years for conspiracy to commit fraud.
A fourth man, Muhammed Ubaidullah, 24, was sentenced to 6.5 years after pleading guilty to manslaughter, conspiracy to commit fraud and attempting to pervert the court of justice.
These men set out that day to deliberately cause a crash purely motivated by greed for money from a bogus insurance claim. Instead their actions cost Betty Laird her life and left her family absolutely devastated.