4WD cars roll more smoothly over speed bumps than 2WD cars do. But in winter I'd rather have 2WD with snow tries than 4WD with all season tires. And you lose about 10% in FE.
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
lifetime FE over 0.2 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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