Quote:
Originally Posted by ERMBA
Trying to save weight on a 5000-lb+ compact sedan is hilarious/pointless...IMHO.
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Reducing rotating mass is largely a good thing, as is reducing unsprung mass. Add some light wheels, and the ride might be smoother. Efficiency will improve somewhat. Acceleration will improve a little. Nothing huge. There may be some downsides to ride, with the tire no longer absorbing as much energy from the road and instead transferring that energy into the suspension, but if your suspension is smart like many i4s have, probably not an issue.
I bet a large part replacement budget and stripping out the interior could save several hundred pounds. Seat swaps. Insulation removal. Stereo gone. Remove speakers. Or, i