PPG's blunt read on Diet Coke (Large): about $2.69 and ~196 cal before you negotiate with a drive-thru mic. Listed sample: $2.69 USD (estimate) · about 196 calories (estimate). Your local McDonald's board may differ by store, tax, and date.
Fountain Diet Coke Small educational estimate. Fountain lineup varies by store. Large size educational estimate. High-contrast estimate plate — not an official quote.
Price context for Diet Coke (Large)
Independent guides show ranges because franchise restaurants set many figures. Use $2.69 as a planning anchor for Diet Coke (Large), then verify on the board or trusted app for your ZIP code. Price Plate Guide does not sync to restaurant POS systems.
Calories & build variables
The ~196 calorie estimate assumes a standard public build. Removing sauces, upsizing drinks, or adding protein can move the total substantially. Treat this as a hypothesis for Diet Coke (Large), not a lab assay.
When shoppers compare this item
People open Diet Coke (Large) when they want a familiar beverages option. Compare cents and calories against sibling cards in the same filter chip on our homepage—curiosity metrics, not medical advice.
Customization literacy
Plain builds reduce surprises. Extra cheese, bacon, guacamole, or premium protein usually change both price and calories. Ask locally about upcharges before you assume a modification is free.
Allergen & cross-contact reminder
Shared kitchens mean risk. Price Plate Guide cannot certify allergens for any McDonald's restaurant. Speak with staff and use official allergen resources.
How Price Plate Guide presents photos
Cards use free Unsplash/Pexels food photos matched loosely to item type—burgers, tacos, drinks, desserts—never official trademarked product photography. Branding is the PPG letter mark only.
Site-specific note (PPG/fountain-diet-coke-small-large · seed e4): If the number looks tidy, remember tidy is still estimated. For Diet Coke (Large), that means weighing the $2.69 estimate against your real appetite and the beverages alternatives on Price Plate Guide.
Site-specific note (PPG/fountain-diet-coke-small-large · seed f2): Combo Math category exists because upsells hide in plain sight. For Diet Coke (Large), that means weighing the $2.69 estimate against your real appetite and the beverages alternatives on Price Plate Guide.
Site-specific note (PPG/fountain-diet-coke-small-large · seed 79): Amber warnings are a design choice about humility, not official caution icons. For Diet Coke (Large), that means weighing the $2.69 estimate against your real appetite and the beverages alternatives on Price Plate Guide.
Site-specific note (PPG/fountain-diet-coke-small-large · seed 3c): PPG would rather under-promise than sound like a national price list. For Diet Coke (Large), that means weighing the $2.69 estimate against your real appetite and the beverages alternatives on Price Plate Guide.
Site-specific note (PPG/fountain-diet-coke-small-large · seed 1e): If the number looks tidy, remember tidy is still estimated. For Diet Coke (Large), that means weighing the $2.69 estimate against your real appetite and the beverages alternatives on Price Plate Guide.
Site-specific note (PPG/fountain-diet-coke-small-large · seed 8f): Combo Math category exists because upsells hide in plain sight. For Diet Coke (Large), that means weighing the $2.69 estimate against your real appetite and the beverages alternatives on Price Plate Guide.
Related: category filter on the homepage, the calories hub, locations primer, and disclaimer. Educational review window: 2026. Voice seed for this page: darkPPG.