Taking out £5,000, for example, would cost you £5,803.80 in total if paid back over five years with a monthly payment of £96.73.
Best-buy personal loan
The personal loan market has been extremely competitive this year, but most of the action has been focused on larger loans of between £7,500 and £15,000.
Hitachi's new rate is only beaten by the peer-to-peer lender Zopa, which is offering a rate of 5.7%.
Peer-to-peer lenders work in a slightly different way by cutting out the middleman – the bank – to make rates cheaper for borrowers and lenders.
Compare peer-to-peer saving
The next best rate is 6.4% and is offered by Clydesdale Bank, Yorkshire Bank, Sainsbury's Bank and Tesco Bank as you can see from the table below.
When applying for a personal loan the headline rate may not be the one you're offered. This is because lenders are only required to offer this rate to 51% of successful applicants. It's all dependent on your own financial situation.
One way to suss out the likelihood of getting accepted for a loan is to check your credit score before applying.
Compare loans – rates from 5%