Take a look at the dimensions of the 165R15 on this page:
http://www.pepboys.com/tires/peptire...ic/eurometric/
And the P185/65R15 and the P195/60R15 on this page:
http://www.pepboys.com/tires/peptire...nce/futuragth/
Really not a whole lot of choices as far as tire size goes..