Nine in ten people in the UK who buy a car use finance. The sector is the second largest lender to consumers in the UK after mortgages. But the industry is bracing itself for a Supreme Court judgement which could see lenders forced to pay out tens of billions in compensation for selling deals with 'secret' commissions. File on 4 Investigates hears from industry insiders and those who tried to raise the alarm on a scandal that some believe could rival PPI.
Reporter: Helen Catt Producer: Phil Kemp Technical Producer: Nicky Edwards Production Coordinator: Tim Fernley Editor: Lisa Baxter
Available Podcasts from File on 4 Investigates
Subscribe to File on 4 Investigates
We are not the BBC, we only list available podcasts. To find out more about the programme including episodes available on BBC iPlayer, go to the File on 4 Investigates webpage.