My 8 and 11 year old do fine in the back seats. My 6'3" coworker on the other hand, not so much
You can still make it work, just not as comfortably.
I was curious about a full-on car seat fitting (not curious enough to have another child to find out lol )
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2016 Summit 1SS 49th Anniversary Commemorative Limited Plutonium Edition - M6, Solo Axleback & !RearCats, Ultra-Rare Cloth Seats, Forgestar CF5V 19x10-285/35 19x11-325/30
2001 NBM Trans Am WS6, Wifey's Grocery Getter - Torquer V2 cam, Racetronix Fuel Pump, Yank 3000 Stall, Transgo 1-2 kit, TSP LTs, Magnaflow, Strano Springs/Koni STR.T shocks, 17x9.5/17x11 TTIIs, Ed Wright tuned