Motorists and small businesses could save millions of pounds on new and used cars claims a new finance guide.
The book is being released as Experian, the credit information services company, reveals that automotive finance fraud has surged by 34% during the first half of 2010.
Mr Hill reveals that "The economy is tough, lenders are short of money and applicants are not as credit worthy as they were. This has led to desperation causing many in the industry to act fraudulently. Everyone needs to be vigilant and be aware of the dangers exposed in my book and information videos".
High interest rates, charges and penalties are being applied, often without the knowledge of the customer until it happens. Along with bad selection of finance products, this is leading to millions of pounds being wasted as well as in some cases severe hardship. Commenting on this Mr Hill says, "I know what it's like to lose a home, as it happened to me in the last recession, so I'm very sensitive to the pain that this can cause. But these days more help is at hand. That's why I have dedicated a whole section of the book to preparing for the worst, in order to avoid it if possible, and how to deal with it if it happens."
He continues: "There is only very weak regulation covering vehicle finance, so customers are at the mercy of many unscrupulous dealers, brokers and internet companies, none of whom are legally obliged to provide you with best advice."
"Consumer and small business vehicle finance - including personal loans - accounts for more than £40bn a year. No wonder the banks, building societies and finance companies would prefer the information contained in my book and videos remained a secret, and outside the control of regulatory authority with any teeth. This is a long overdue opportunity for consumers to get a fair deal."
Mr Hill believes that up to 70 per cent of car finance is either inappropriate for customers' needs, or more expensive than it should be with drivers in cars that could be much better and newer at less cost.
Graham Hill's guide explains how to prepare for finance, It also explains some of the most popular finance options, covers areas and methods to be wary of, and offers tips on securing the best deal.
"Contrary to popular belief, cash may not be the cheapest way to fund cars because consumers and small businesses can miss out on millions of pounds' worth of car manufacturer bonuses hidden away in the monthly payments of a lease, as I've explained in a set of info-videos" says Mr Hill.