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Rubio's Coastal Grill

Classic Steak Taco Duo

Classic Steak Taco Duo at Rubio's Coastal Grill has 540 calories, 30g protein, 40g carbs and 28g fat — sourced from FastFoodNutrition.org (mirrors Rubio's official data) cross-checked against rubios.com official menu PDF, not AI guesses. 2 Classic Guacamole Steak Tacos, no sides.

Classic Steak Taco Duo
540calories
30gprotein
40gcarbs
28gfat
High protein
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At Rubio's Coastal Grill, the Classic Steak Taco Duo is a solid high-protein order. That works out to 5.6g of protein per 100 calories — 3g below the 33g Rubio's Coastal Grill average. Its macros land at roughly 22% of calories from protein, 30% from carbs and 47% from fat.

Source: FastFoodNutrition.org (mirrors Rubio's official data) cross-checked against rubios.com official menu PDF ↗, last verified Jul 2, 2026. Menus change periodically; values may vary by location. How we verify →

See all 16 Rubio's Coastal Grill meals →  ·  Highest-protein Rubio's Coastal Grill meals →

More from Rubio's Coastal Grill

Classic Steak Taco Trio with Black Beans · 53g protein Classic Chicken Taco Trio with Citrus Rice · 44g protein Grilled Mahi Mahi Taco Trio with Citrus Rice · 44g protein Classic Chicken Taco Trio with Fire-Roasted Corn · 43g protein Salsa Verde Shrimp Taco Trio with Mexican Rice · 38g protein Salsa Verde Shrimp Taco Trio with Quinoa Brown Rice · 38g protein

Classic Steak Taco Duo — common questions

How much protein is in the Classic Steak Taco Duo at Rubio's Coastal Grill?
The Classic Steak Taco Duo has 30g of protein. It also has 540 calories, 40g carbs and 28g fat, per FastFoodNutrition.org (mirrors Rubio's official data) cross-checked against rubios.com official menu PDF.
How many calories are in the Classic Steak Taco Duo?
The Classic Steak Taco Duo at Rubio's Coastal Grill has 540 calories, according to FastFoodNutrition.org (mirrors Rubio's official data) cross-checked against rubios.com official menu PDF.
Is the Classic Steak Taco Duo high in protein?
Yes — at 30g of protein it clears the 30g high-protein bar.
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