Grill'd · Lamb & Wagyu
Oscar Piastri Wagyu BurgerGrill'd calories & macros
A Grill'd Oscar Piastri Wagyu Burger (Charcoal Bun) has 684 calories (2,862 kJ), with 30.4 g protein, 43.6 g fat and 29.4 g carbs per serve. That is about 33% of the 8,700 kJ daily intake used on Australian food labels.

C4.4 g protein per 100 kcal - average protein density on Macro Menu's S to F scale
Open in the Macro Menu appAll Grill'd items
Full nutrition (Charcoal Bun)
| Per serve | Amount |
|---|---|
| Energy | 2,862 kJ (684 kcal) |
| Protein | 30.4 g |
| Fat, total | 43.6 g |
| - saturated | 12.4 g |
| Carbohydrate | 29.4 g |
| - sugars | 3.6 g |
| Sodium | 1,140 mg |
As published by Grill'd.
Oscar Piastri Wagyu Burger sizes and options
| Option | kcal | kJ | Protein g | Fat g | Carbs g | Sat fat g | Sugars g | Sodium mg |
|---|---|---|---|---|---|---|---|---|
| Charcoal Bun | 684 | 2,862 | 30.4 | 43.6 | 29.4 | 12.4 | 3.6 | 1,140 |
| SuperBun | 899 | 3,761 | 42.0 | 54.6 | 13.9 | 14.6 | 5.8 | 1,013 |
| Gluten Free | 815 | 3,410 | 29.8 | 50.4 | 41.8 | 17.0 | 6.5 | 1,176 |
Lowest: Charcoal Bun at 684 kcal. Highest: SuperBun at 899 kcal - a 215 kcal spread.
Customise it: what swaps change
Per-serve totals after a common change. Modifier figures are Macro Menu estimates unless Grill'd publishes the component itself.
| Change | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| As sold | 684 | 2,862 | 30.4 | 43.6 | 29.4 |
| No Mayo / Sauce (-152 kcal) | 532 | 2,226 | 29.9 | 27.6 | 27.2 |
| No Cheese (-70 kcal) | 614 | 2,569 | 26.4 | 37.6 | 29.4 |
| No Spanish Onion (-4 kcal) | 680 | 2,845 | 30.3 | 43.6 | 28.5 |
How it compares with other Grill'd lamb & wagyu
Of the 6 lamb & wagyu on the Grill'd menu, Oscar Piastri Wagyu Burger ranks 4th of 6 for protein and is the 3rd lowest in calories. The category average is 678 kcal, so this one is above average by 6 kcal.
| Item | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Baa Baa (Lamb) (5 options) | 571 | 2,389 | 26.3 | 36.2 | 32.1 |
| Zorba The Sheep (5 options) | 662 | 2,770 | 29.3 | 44.6 | 32.8 |
| Oscar Piastri Wagyu Burger (3 options) | 684 | 2,862 | 30.4 | 43.6 | 29.4 |
| Grand Brie (5 options) | 696 | 2,912 | 38.1 | 45.6 | 36.0 |
| Wagyu Wunder (5 options) | 712 | 2,979 | 38.8 | 47.1 | 29.1 |
| Bonfire BBQ (5 options) | 741 | 3,100 | 40.2 | 48.2 | 32.2 |
Sorted by calories, showing the items either side of this one. See every Grill'd lamb & wagyu item.
Quick answers
How many calories are in a Grill'd Oscar Piastri Wagyu Burger?
Oscar Piastri Wagyu Burger at Grill'd ranges from 684 to 899 calories depending on the option. The Charcoal Bun is 684 kcal (2,862 kJ).
How much protein is in Grill'd's Oscar Piastri Wagyu Burger?
30.4 g of protein in the Charcoal Bun, which works out to 4.4 g per 100 kcal - rated C (average) for protein density on Macro Menu.
How many kJ is that?
2,862 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 2,862 kJ is roughly 33% of an 8,700 kJ day.
Is it a lower-calorie choice at Grill'd?
Within Grill'd lamb & wagyu it is the 3rd lowest of 6. The lowest-calorie option in that category is Baa Baa (Lamb) at 571 kcal, and the highest-protein is Bonfire BBQ with 40.2 g.
Compare it with
The closest burgers by calories, at the other chains and on this menu.
More Grill'd lamb & wagyu
Grand Brie696 kcal · 38.1 g protein
Zorba The Sheep662 kcal · 29.3 g protein
Wagyu Wunder712 kcal · 38.8 g protein
Bonfire BBQ741 kcal · 40.2 g protein
Baa Baa (Lamb)571 kcal · 26.3 g proteinGrill'd full menuHighest protein at Grill'dLowest calorie at Grill'dOther restaurants
Source: Grill'd's own ordering API - the same menu feed their app uses, per-bun tables included (api.digital.grilld.com.au), per serve as sold. Last checked against the live menu on 11 September 2026. Every source.