Check which dishes and portions you want to cook before comparing oven volume. A wide tray can be more useful than extra internal height, while a large exterior may still hold only a small pan. Measure usable space and door access.

Decide whether you mainly toast, bake, roast or use convection cooking. Extra named functions are useful when the oven controls the task effectively. They do not eliminate the need for suitable cookware or placement.

Pans and cooking space

Compare the usable rack and tray dimensions with your existing cookware. Allow room for heat circulation and follow loading guidance. Multiple rack positions can help, but closely packed trays do not always cook evenly. Check whether the supplied tray, rack and crumb tray match the version offered.

Temperature and workflow

Look for useful temperature adjustment, timer behavior and clear controls. Convection changes heat circulation rather than guaranteeing the same result for every recipe. For repeated cooking, ease of preheating and handling hot trays matters. A large glass area may aid visibility but does not describe insulation or temperature consistency.

Placement and cleanup

Follow clearance and countertop requirements, including space above and behind the oven. Keep power and cables arranged as instructed. Check access for crumbs and permitted cleaning of interior surfaces. Include suitable trays or replacement parts where needed. Choosing a bigger oven is practical only if it fits safely and serves your actual portions.