Drivers across the UK have been "ripped off" with "billions of pounds" lost, according to experts at a consumer rights group. warned individuals may have been "charged inflated prices" on

is that discretionary commission arrangements may have been unfair. The FCA is set to conclude its review soon to be awarded to road users. However, "millions" of , and electric car owners could be affected and owed back money.

Speaking to Express.co.uk, a spokesperson for Consumer Voice said: "Millions of consumers have lost billions of pounds because they were charged inflated prices as a result of secret commission deals.

"The vast majority of car finance customers have said they're concerned about this practice and complaints have been queuing up at the ombudsman.

"Consumers need clarity to find out if they've been ripped off and get back what they're owed.

Martin Lewis has been urging motorists to file a complaint with car finance firms if

Earlier this week, Martin suggested with a final decision likely to come this summer.

Consumer Voice and Martin Lewis have previously suggested that road users could expect to receive around £1,100 in compensation payouts when the probe is completed.

New research from Consumer Voice found that over eight in ten (84%) of the individuals polled expressed concern about dealers being paid a commission.

Meanwhile, 44% of the 2,050 people surveyed between 10-15 January 2025 didn't know whether their dealer received some commission for arranging their finance deal.

A whopping 23% of those affected found out after signing an agreement and only 5% claimed they were certain that no commission had been paid on their policy.

A Consumer Voice spokesperson added it was entirely possible for many road users to have overpaid for their finance deal "without knowing".

A spokesperson told Express.co.uk: "Most car finance loans arranged through a dealer will involve commission and prior to 2021 many of these were for so-called discretionary commission arrangements.

"These arrangements saw lenders let brokers and car dealers raise the interest on car finance agreements to increase the amount they get on commission, meaning customers overpay without knowing."