Best fuel effiecient car for a low budget?

Question

I'm thinking of buying a car and my budget is about $5500 (It's myfirst car). Are there any cars (not new) out there that have a decent fuel efficiency?

I'm looking for a late 90's mid-size car

Answer 1

Toyota Echo 00 $4,000

Chevrolet Prizm 01-02 $4 to $6,000

Honda Insight 00 51 mpg

Hyundai Elantra 03

Toyota Echo 01-02