Nearly impossible with proper airspace unless you make it quite a bit taller than the second row. 4 15s or 2 18s is what will comfortably fit in a Tahoe. Meade's box is far from ideal.
Meade's box is like 24 cubes IIRC and his box is notched at the bottom to allow for the batteries. If you have the power for 4 Contralto 18s I'd suggest going with 4 15s for the motor force. Although 2 18s on plenty of power is still stupid loud in the right box.