Hi emily and welcome to the forum
Your debts are quite low to make an IVA viable, but there are some practitioners who will take on work at the lower end. Have you also considered a Debt Management Programme which might be more appropriate?
If your parents are going to fund the balloon payment for you, you will not be able to repay them during the IVA and they will have to rank as a creditor under the proceedings. Also creditors may well ask them to forego their right to receive a dividend payment.
You might be better just trading the car in now for a newer one which will last for the duration of the IVA. Take the agremeent out over five years, to keep the repayments as low as possible. HP payments are allowable expenditure during an IVA, but you must still have some disposable income left to offer to your creditors.
Regards, Melanie Giles, Insolvency Practitioner for over 20 years.
For further details contact me at
http://www.melaniegiles.com and view my IVA blog at:
http://melaniegiles.blogs.iva.co.uk