Compare Irn Bru and Rockstar

Using Irn Bru and Rockstar - Original as representative products.

• Rockstar - Original has more calories than Irn Bru

Irn Bru

Rockstar

Product

Irn Bru

Rockstar - Original

Category

Soda

Energy

Serving Size

11.2 oz

16 oz

calories

65

270

sugar

16g

63g

sweeteners

Aspartame, Sugar/Sucrose

Sugar/Sucrose

Caffeine

30

160

Where to buy

Coming Soon

Coming Soon

Irn Bru

Irn Bru has 65 calories and 16 grams of sugar in a 11.2 oz serving.

Learn more at https://www.agbarr.co.uk/our-brands/irn-bru/

Rockstar - Original

Rockstar - Original has 270 calories and 63 grams of sugar in a 16 oz serving.

Learn more at https://www.pepsicobeveragefacts.com/Home/product?formula=BACX513&form=RTD&size=16&PBF