Don't forget the cost of insurance too - might be worth checking that out for each of the above cars.
Have you got a Pass Plus certificate - extra lessons in night driving, motorways etc that you take after passing your test - can also reduce your premiums.
And if you are insuring the car fully comp, put one of your parents on the policy as a named driver - it reduced my daughter's premium by just over £200 on her T reg 1.25 Fiesta!

Result!