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Wheel repair cost between $125 and $275 per wheel-depending on wheel size and damage. Typically the repair cost is still less than a new wheel depending on the style, size, and age of the wheel. Factory and aftermarket wheels can cost anywhere from $100 to over $1000 per wheel.
Thankfully, they are within a short drive of me. http://www.wheelcollision.com/. They list their prices here: http://www.wheelcollision.com/wccsvcs.html. I've had them repair minor bend in a wheel for $75 and also refinish a set for around $350 (was a few years ago).