RFTs are quite heavy, though. You'd think that added unsprung weight (especially on today's larger wheels, putting the weight even further from the hub) would be even worse for fuel economy than a donut!
My CTS-V has a full spare. Not a donut. Not a steel wheel. A 5th Italian-made Speedline wheel At least they got that part right!
My CTS-V has a full spare. Not a donut. Not a steel wheel. A 5th Italian-made Speedline wheel At least they got that part right!
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