So I have the center console cup holders built in along with the dash pull outs. The CC ones are awesome the can hold a 32oz Gatorade bottle!!! But that means losing your bench or doing/getting that out from the bottom cup holder but really if you have 2 drinks thee more important one or just more likely to spill goes into the deep one just rules on logic. Or get you a rear seat that has the pull down armrest with cup holders in it? Here’s pics of my CC holder and rear seat with armrest down to see cup holders it will be a lil different do to mine being a Escalade vs Tahoe Yukon with cloth seats.
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The front part, where the cup holders are, is very similar to what my '99 LT (leather seats) Suburban has. I haven't tried to see if the back part opens up like yours; that's a cool little desk for a mobile office. I have the larger part of the second row seat folded, for more load carrying capacity. When I go to a swap meet, I have the heavy boxes and totes on that part so the weight is ahead of the axle. For a small toy show, like last weekend, I can put all my boxes there, and load in/out through the side door instead of the back.
If I load my Burb carefully, I can fill it up about to the headliner and it just levels it out, the way it sits.
It's hardly ever empty; always things to carry for work,or stuff that just needs to stay in the truck. And there's only 3 of us at the most, riding in it, so the seat configuration works.