When changing wheel sizes, you've got two things to think about. First, you'll want to try and find a tire with a similar diameter, so it doesn't throw off the speedometer and odometer too much. Secondly, larger wheels usually come with wider tires, which may not have adequate clearance in your car. Depending on which model you've got, your tires are either 175/65R14, or 185/65R14. Using that larger tire as an example, you'd find that the size 195/40R17 is fairly close in height, and with the width not much more, clearance is less likely to be an issue. However, you'd also have to find 17'' wheels roughly that narrow.
Of course, there are other side effects. Your ride will definitely worsen - bigger wheels are heavier unsprung mass, and with less sidewall, your tires are less compliant over bumps. The effect on handling is more or less a wash - the heavier wheels are a demerit, but less sidewall means sharper reflexes.
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