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Comment by Retric | Hacker News Reader

2k is IMO a poor price point as it’s too much for the minimal utility but not enough for meaningful power. IMO solar roofs are useful at the low end for ~400$ ICE cars could top off their battery and run a solar fan to keep the temperature down when parked in the sun. Not a huge deal, but still a nice luxury feature.

Or a significantly more expensive solar roof could add meaningful highway mileage per year. You both largely offset its cost via less charging and have the option for a low speed crawl to a charging station.

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I'd be surprised if solar panels in the roof were less than $2,000. An android-auto enabled head unit is like $500. Heated seats are often $1000 and that's "just" resistive wire. A cover for your truck bed is like $700. Premium carpet mats are $250. Unlocking your tailgate using a remote beeper instead of a physical key costs $300.

> IMO solar roofs are useful at the low end for ~400$

So I agree with this, but I don't believe that would be an option, at least without some DIY aspect.

Car options are priced independently from what they actually cost to manufacture. A cheap luxury car will often include a host of features that cost quite a bit when you added as features to a lower end car. And sometimes it’s the reverse where missing features in luxury cars ends up being almost as expensive as the cheap cars they come standard in.

It’s a combination of price discrimination and the overhead of having multiple different specs being manufactured independently of whatever the actual differences are.

> at least without some DIY aspect.

Solar car battery chargers already exist for less than 30$. I’m assuming the overhead of including it into the cars design and modifying body panels etc significantly increases costs. But it’s the kind of thing Subaru could add to every car for diversification without significantly impacting final price.

Yep. So I’m expecting it to cost me $2,000 as the consumer, and I wouldn’t want to spend that. If costs some trivial amount, I’d love to have a battery that basically never dies.

It's worth noting simple solar 'trickle chargers' can be had for less than 100 bucks, today. They are awesome for such things like additional confidence while overlanding in a remote location, or for a trailer with a winch, or an electric boat lift on a dock without shore power.

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