Cinnabon Delights Coffee is available both hot (16 oz) and Iced (20 oz) for $1.79. They basically add a Cinnabon-flavored creamer to their regular coffee for these, so if you prefer your coffee black, it's a no go.
Nutritional Info - Taco Bell Cinnabon Delights Coffee (423g)
Calories - 160 (Calories from Fat - 10)
Fat - 1g (Saturated Fat - 1g)
Sodium - 40mg
Carbs - 34g (Sugar - 32g)
Protein - 3g