Canon 5DmkIV was $3499 at time of release in 2016.
Accounting for cumulative inflation of 6.8% that would be $3,738.89 today*.
But inflation can't be the only indicator, because the 5D mkIII was also $3499 at release in 2012. That would give it a value of $3,908.46 in 2020*.
Going all the way back to the mkII, it had the bargain price of $2699.99 at release in 2008. That would be $3,215.23 in 2020*.
So we are all over the map as far as what a 5D typically nets.
So Canon can do one of several things:
A) Keep the recent tradition and price it at $3499.99 like the previous 4 & 3 iterations.
B) Tack on inflation and round up price at $3799,99
C) Reason that the upgrades in specs and technology are so incredibly significant that they can push it all the way to $3999.99 and still boast that they kept it under $4k.
Some other thoughts. I bought a 5DmkIV a few months before the EOS R was announced. So I weighed heavily "upgrading" so shortly after buying the 5DIV. There were so many similarities, that it made no sense to switch so early. Same sensor, identical IQ, same Dual Pixel AF system and the tradeoffs did not give me a big enough reason to switch. Like trading dual card slots for a variangle screen, or superior weather sealing for access to the wonderful, albeit limited, RF lens lineup. What was noticeable is that with all that "equivalence" I struggled with, the EOS R was significantly cheaper than the 5DIV. Like almost a thousand dollar difference. Today, that price for the EOS R is even more way down. So maybe there's something to be said about manufacturing cost for a mirrorless system being significantly lower than for a
DSLR. Maybe that's why for all the incredible spec jumps, they can still keep the cost at a "5D level?"
So maybe there's another option?
D) Manufacturing cost keep the price nice and tidy and maybe accounting for an economy in shambles we get it at a jaw dropping $3299.99. After all that would put it right around the cost of the last Canon camera that was a generational game-changer: the 5DmkII.
*inflation calculated using
https://www.usinflationcalculator.com/