Quote:
Originally Posted by RobertSmalls
40W is miniscule; true. But HID lamps deliver more lumens per watt, so a 35W HID is as bright as a 55W halogen. Also remember that 40W is 0.05HP of pure electricity, which takes about 0.1HP at the alternator shaft. If you do an enormous amount of nighttime driving, or if legislation requires that you drive with the headlights on, you stand to save a few gallons of gas a year.
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OP was comparing 35W HID to 55W HID.
I'd still rather go with the brighter lights if I were doing lots of night driving. Saving a small amount of fuel isn't as important as improving your ability to see where you are going.
Mike