Internal oven dimensions for Dome Gen 2 Series ovens can be found here:
Dome (Gen 2): Width 604mm (23.8”) x Depth 498mm (19.6”) x Height 226mm (8.9”)
-This means 40% more cooking space than the original Dome. Room for two 10” pizzas, one 16” pizza, two full roasting trays (10" x 14"), or fire-cooked sides to feed a crowd.
Dome XL (Gen 2): Width 724mm (28.5”) x Depth 543mm (21.4”) x Height 238mm (9.4”)
-This means 90% more cooking space than the original Dome. Room for three 10” pizzas, two 12” pizzas, one 18” pizza, three full roasting trays (10" x 14"), or fire-cooked sides to feed a crowd.