What is a Dirty Soda at Taco Bell?
A Taco Bell Dirty Soda is a fountain drink with cream and syrup added, in the brand’s own words; six lines were on the menus read, and the nutrition menu carries 17 flavors at three sizes.
TB Menus review deskReviewed 19 September 2026Prices read 19 September 2026 at 452 restaurantsHow every figure gets here
What it is, in the brand’s words
“A twist on our iconic Mountain Dew Baja Blast with a sweet, vanilla creme swirled in.” That is Taco Bell’s own description of Mountain Dew Baja Blast Dirty Soda. The ordering menu also sells the cream as an add-on to a plain fountain drink under the name Make it Dirty, which the product pages price at $0.30 to $0.50.
On the menus read
The nutrition menu carries 17 Dirty Soda flavors; the Dirty Sodas page lists every one at every size, including the flavors no menu read listed.
What the cream adds
At 16 ounces Mountain Dew Baja Blast Dirty Soda carries 270 calories against 220 for the plain Mtn Dew Baja Blast, so the cream and syrup add 50 calories at that size on the records.
Allergens
The Dirty Soda records carry no allergen statement, so this site marks none of them free of milk; the cream is a dairy question the statement does not answer, and the shared-kitchen caution applies.
Questions
What is a Taco Bell Dirty Soda?
A fountain drink with cream and syrup added, in the brand’s own description quoted above.
How much is a Dirty Soda?
$2.79 to $4.59 (median $3.49, 439 restaurants), read on 19 September 2026.
Does a Dirty Soda have dairy?
No allergen statement is published for the records, so this site does not mark them either way; the cream is the reason to ask.
Does a Dirty Soda have caffeine?
No caffeine figure is published for any Dirty Soda record.
Can I make any drink dirty?
The product pages carry a Make it Dirty add-on for the fountain lines, priced per restaurant.
Which Dirty Soda has the fewest calories?
The Dirty Sodas page ranks every flavor by size.