Bacon alone does not define the breakfast. Arby’s Bacon, Egg & Cheese Croissant and SONIC’s brioche, Croissonic and burrito formats fall between 430 and 470 kcal in these source rows, yet their sodium and protein are not equal.
Read the cluster rather than choosing by the filling
Arby’s croissant is 430 kcal, 18 g protein and 1,010 mg sodium. SONIC’s Brioche Sandwich Bacon is 440 kcal, 20 g and 1,820 mg. Its Croissonic Bacon is 430 kcal, 18 g and 1,540 mg; Breakfast Burrito Bacon is 470 kcal, 25 g and 1,540 mg.
The two 430 kcal croissant-style entries tie on listed protein but differ by 530 mg sodium. The comparison does not prove that either restaurant uses identical bacon, eggs, cheese or bread.
Avoid attributing everything to one ingredient
A full breakfast difference can include portion, recipe and bread changes. It is not an isolated bacon experiment. Removing bacon from one order is not equivalent to substituting another published order with a convenient lower number.
Make the order practical
Confirm breakfast and regional availability before selecting a recorded format. A coffee, side of potatoes or extra sauce is separate from these food rows. The meaningful choice is an available complete breakfast with its documented portion, not a claim that one bread or meat is always better. The calorie range here is a description of four selected entries, not a recommendation for how much breakfast to eat.
| Restaurant / exact order | Serving | kcal | Protein (g) | Carbs (g) | Fat (g) | Fiber (g) | Sodium (mg) |
|---|---|---|---|---|---|---|---|
| Arby’s — Bacon, Egg & Cheese Croissant | 1 published order, 132 g; extra sides, sauce packets and drink excluded | 430 | 18 | 29 | 26 | 1 | 1010 |
| SONIC — Brioche Sandwich Bacon | 1 published order; extra sides, sauce packets and drink excluded | 440 | 20 | 38 | 23 | 2 | 1820 |
| SONIC — Croissonic® Sandwich Bacon | 1 published order; extra sides, sauce packets and drink excluded | 430 | 18 | 29 | 27 | 1 | 1540 |
| SONIC — Breakfast Burrito Bacon | 1 published order; extra sides, sauce packets and drink excluded | 470 | 25 | 35 | 25 | 1 | 1540 |
Sources and example boundaries
- Arby’s official U.S. nutrition information
Exact published order values and portion definitions; source edition 2026-06. Retrieved October 4, 2026.
- SONIC official U.S. nutrition information
Exact published order values and portion definitions; source edition not established. Retrieved October 4, 2026.
These are specific U.S. source-defined orders, not personalised recommendations or worldwide menus. Published values are estimates of standard portions. Extra items, unrecorded substitutions, prices and allergen safety are not inferred. Source retrieval is October 4, 2026; an older printed edition remains an older edition.