Making a down
payment can substantially reduce your monthly payment amount. If you
think you might ever want to end your lease early, an initial down
payment can reduce or eliminate the cost of early termination.
It is not
however necessary, most car lease and
car hire contracts require a deposit of 3
monthly instalments as an initial payment, followed by 3, 6, 11, 23, 35, or 47 further payments, dependent on the contract period chosen.
More Advice about Car Leases.