Beef Sirloin vs Impossible Burger
Side-by-side macro comparison. Beef Sirloin vs Impossible Burger per their standard serving sizes.
Impossible Burger
per 4oz patty, 113g
Macro Comparison Table
| Macro | Beef Sirloin | Impossible Burger | Difference |
|---|---|---|---|
| Calories | 206 cal | 240 cal | -14% Beef |
| Protein | 27g | 19g | +42% Beef |
| Carbs | 0g | 9g | -100% Beef |
| Fat | 10g | 14g | -29% Beef |
Differences shown relative to Beef Sirloin. Positive = Beef Sirloin has more.
Quick Take
Beef Sirloin delivers 206 calories per serving with 27g protein, 0g carbs, and 10g fat. Impossible Burger delivers 240 calories with 19g protein, 9g carbs, and 14g fat. The most meaningful difference: Beef Sirloin saves 34 calories per serving — meaningful over a week of meals. For protein density per calorie, Beef Sirloin wins at 52% of calories from protein.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Beef Sirloin gives you 34 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Beef Sirloin delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Impossible Burger brings 240 calories — useful when you're chasing a surplus and struggling to eat enough. Beef Sirloin delivers 27g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.
For Keto / Low-Carb
Both Beef Sirloin and Impossible Burger are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Beef Sirloin or Impossible Burger?
Beef Sirloin has more protein: 27g vs 19g per serving. That's a difference of 8g.
Which has fewer calories, Beef Sirloin or Impossible Burger?
Beef Sirloin has 206 calories per serving vs 240 calories in Impossible Burger — a difference of 34 calories.
Is Beef Sirloin or Impossible Burger better for keto?
Beef Sirloin is the better keto choice at 0g carbs per serving vs 9g carbs in Impossible Burger.
Is Beef Sirloin or Impossible Burger better for weight loss?
For weight loss, Beef Sirloin gives you more calorie flexibility (34 cal less per serving). For preserving muscle during a deficit, Beef Sirloin delivers more protein per calorie. Most people on cuts benefit from Beef Sirloin.
Which Is Better for Your Goal?
🔥 Weight Loss
Beef Sirloin
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Beef Sirloin
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Beef Sirloin
Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.
Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.
Find Your Personal Macros
The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:
→ Calculate My Macros (Free)Related Comparisons
Other ways Beef Sirloin and Impossible Burger stack up:
Full Beef Sirloin guide • Full Impossible Burger guide • All comparisons