My H11 cheapo HIDs in my 2nd gen Insight hold up fairly well for over 5 year now.
One lamp failed quickly, but I had a replacement. The ballasts are original.
They are easily 4 or 5 times as bright as the halogens they replaced. If I have to replace them I'll most likely go for HID again.
Then user Natalya has just installed LEDs in her G2 Insight and they look the deal:
http://ecomodder.com/forum/showthread.php/2010-insight-hyper-black-34574-5.html#post563527
Some more on that on InsightCentral (but the photo's won't show if you're not a member):
What did you do to your G2 Insight today? - Insight Central: Honda Insight Forum
Not as cheap, but affordable nonetheless. The heatsinks on them are wide but not deep.
https://www.superbrightleds.com/more...ink/4445/9995/
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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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