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- Feb 2, 2020
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- Telsa Model 3 LR AWD
It's only heavier if they include a mechanical sun roof, otherwise the frame and thin safety glass are much lighter than the metal and its support structure. Tesla did it for both lower weight and ease of mfg with the top load.It'll certainly be heavier and there are performance costs to the weight and maybe not everyone likes the sun overhead but there's a reason why so many premium vehicles are moving towards them.
Weight makes for reduced range so no EV mfg would go glass roof where range is so important if glass added weight. They go glass for lower weight and ease of mfg.
There's no getting away from the heat issue, folks denying it are denying the physics. Many end up dark tinting the roof to help. I got the internal shade.
Funny part is it only impresses rear seat passengers as driver can't see it. When over head they have to wear hats to get away from the glare.
Now a solar PV glass roof would be cool in every way. Just running an air circulating fan to keep car to ambient saves on AC and, on EV's, saves on battery heating. A few extra kW to the battery would be good also. That would be an expensive option but I think EV'ers would pay for it.