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You didn't say what kind of car you have:
The OEM tire size for the sedan is 185/70-14, which has an aspect ratio of 0.70:1.
The OEM tire size for the wagon is 185-R14, which would have, if designated, be otherwise 185/81-14, meaning that the aspect ratio is 0.81:1. In other words, in European standards, if a tire is marked without any aspect ratio (e.g., 70, or 65), then the default is 81, or 0.81:1.
The reason for the wagon having a different aspect ratio is that it has a pronounced effect on the load rating -- the wagon's narrower profile (cross section width) tires are rated to carry more weight (without the additional cost and reduced fuel mileage from going to an "extra-load" tire that has more plies in the construction) appropriate for the expected use of a wagon.
I'm sure you don't have to worry about fitment, re "...that won't hit the front or rear fenders when cornering or going over bumps?..." I use tires that are huge compared to the OEM size, 205/55-16 Michelins on Volvo's Hydra 16x6.5 wheels, and have never had a problem. You could use any 14" tire without hesitation -- except for speedometer/odometer inaccuracy (I keep a GPS mounted in my dash so I don't worry about that).
But the problem with going to a 205 size is that you really should think about a wider (not taller) 14" wheel, because 205 is at the edge of the range of approved tire widths for a 14x5.5 wheel. In other words, such a wide tread tire like a 205 is sort of "pinched" by mounting the bead on such a narrow wheel considering the tread width.
A 195 would be better if you can't find a 185 for the stock wheels.
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