The McDonald's BLT with Grilled Chicken Extra Value Meal offers a balanced mix of protein, veggies, and a classic bacon, lettuce, and tomato sandwich with a grilled chicken fillet. The meal often includes fries and a drink. On the other hand, Burger King's DASANI Water is a zero-calorie, caffeine-free beverage, ideal for those seeking a hydrating option. Comparatively, while both meals have their unique merits, the McDonald's meal provides a filling meal with variety, while the Burger King DASANI Water focuses on a healthier beverage choice. Nutritional details may vary, so it's essential to check specific menus for accuracy.