Quote:
Originally Posted by winkosmosis
IamIan, standard halogen headlight bulbs are only 55W each
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Good point, and good analysis above too.
DRLs are typically even less than the low beams, and don't include any other lights.
200-250W is, however, probably an accurate estimate for regular headlights once you factor in parking lamps, taillights, and the myriad of tiny 921 and 912 lights for side markers, interior illumination of dash equipment, ash tray, license light, etc.
New cars are probably less due to LED usage.