There's a couple of sites that have some interesting takes on what the Rivian stock is going to look like in 2025. I'm not sure how accurate they are obviously but it's something to think about for people that are invested for the long haul.

Panda Forecast:

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Market Realist:

Currently, Lucid Motors is trading at a price-to-2025 sales multiple of 2.7 times. If we apply a similar multiple to Rivian on a valuation of $80 billion, the company should have sales of $30 billion by 2025. Similarly, the revenue-to-2025 EBITDA multiple for Lucid comes out to be 22 times. To justify a valuation of $80 billion, Rivian will have to deliver an EBITDA of $3.5 billion by 2025, applying Lucid’s multiple. That’s far easier said than done.

Remember how Tesla had to go through production hell as far as execution is concerned? The market might be overestimating Rivian’s prospects currently. It has the potential to challenge Tesla. However, there's still a lot that needs to be done by the company before its proposed valuation starts to make sense from a logical standpoint.