I can tell you Simmons 3 piece wheels are $700 ea in 17x 7.5". (Simmons are popular with production type race cars.)
If the weight was so critical then the wife's Mazda 6 would have handled better with the old 15" steel wheels. I can tell you the 17" ones are a lot heavier, but light years ahead in handling.
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2016 Kuga Titanium 2.0l EcoBoost
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