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2016 Outback Premium 2.5 CVT w/EyeSight+SRVD
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Questions occasionally come up on this forum and elsewhere about the light transmission (visible, IR, and UV) of current-generation Outback/Legacy windows. See the attached PDF file for two tables of light transmission data I have compiled from information provided by SOA in April/May/August 2015 and October 2017. I will attempt to keep this file updated as I acquire more information. Any authoritative additions/updates are appreciated.

The glass information listed below represents calculated reference values, and may not represent actual values determined by testing.

For the Outback:

Front windshield - 0% for both UVA and UVB
Front door glass - 20% UVA & 1% UVB
Moonroof - 10% UVA & 1% UVB
Rear door glass with dark tint - 5% UVA & 1% UVB
Rear door partition glass with dark tint - 5% UVA & 1% UVB
Rear quarter glass with dark tint - 10% UVA & 1% UVB
Rear glass with dark tint - 5% UVA & 1% UVB

Solar Penetration levels:

Front windshield - 45%
Front door glass - 45%
Moonroof - 15%
Rear door glass with dark tint - 20%
Rear door partition glass with dark tint - 15%
Rear quarter glass with dark tint - 20%
Rear glass with dark tint - 25%

Visible Ray Light Transmittance Values:

Front windshield - 75%
Front door glass - 75%
Moonroof - 20%
Rear door glass with dark tint - 20%
Rear door partition glass with dark tint - 20%
Rear quarter glass with dark tint - 25%
Rear glass with dark tint - 25%

And for the Legacy:

Front windshield - 0% for both UVA and UVB
Front door glass - 20% UVA & 1% UVB
Moonroof - 5% UVA & 1% UVB
Rear door glass with dark tint - 0% UVA & 1% UVB
Rear door partition glass with dark tint - 0% UVA & 1% UVB
Rear quarter glass with dark tint - 0% UVA & 1% UVB
Rear glass with dark tint - 0% UVA & 1% UVB

Solar Penetration levels:

Front windshield - 45%
Front door glass - 45%
Moonroof - 15%
Rear door glass with dark tint - 20%
Rear door partition glass with dark tint - 15%
Rear quarter glass with dark tint - 20%
Rear glass with dark tint - 25%

Visible Ray Light Transmittance Values:

Front windshield - 75%
Front door glass - 75%
Moonroof - 20%
Rear door glass with dark tint - 20%
Rear door partition glass with dark tint - 20%
Rear quarter glass with dark tint - 25%
Rear glass with dark tint - 25%

[Source: Personal correspondence, Subaru of America, October 20, 2017]
N.B. I'm not so sure about "rear quarter glass" in a Legacy.
 

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