Irn Bru has 65 calories and 16 grams of sugar in a 11.15 oz serving.
Learn more at https://www.agbarr.co.uk/our-brands/irn-bru/
Thums Up has 140 calories and 35 grams of sugar in a 11.83 oz serving.
Learn more at https://www.coca-colaindia.com/brands/thums-up-brand/thums-up-nutritional-value