Leasing is about paying for what you use, not paying for the whole value of the vehicle.
You’re not buying the vehicle. You're paying to use it as your vehicle for a set period.
You can arrange a lease yourself, but it requires working with a funder, stockist, and dealer group to secure your loan, agreement and vehicle. A broker (such as Autotrader Leasing) takes all the hassle out of this and does it all for you.