The Big Arch is one of McDonald’s newest and biggest burger ever. The burger is on sale in the US restaurants starting March 2026, and is available at participating locations for a limited time.
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Want to know what’s inside the McDonald’s Big Arch Burger?
2 quarter-pound beef patties (so approximately ½ lb total)
3 slices of white cheddar cheese
Lettuce + pickles
Raw + crispy onions
Special Big Arch sauce (tangy, slightly sweet, mustard/pickle flavor)
Sesame + poppy seed bun

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It’s basically a bigger, heavier, more “premium” version of a Big Mac. There are 1020 calories in the new Big Arch burger from McDonald’s which is almost double the 580 calories in a Big Mac. The weight of this new burger before cooking is 4 oz.

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Source: McDonald’s website
The Price of a Big Arch Burger in the US varies from as low as 7.50 in cheap locations to $10 in big cities, and over $12 in very expensive locations.
A combo meal that includes fries and drink is between $11 to $15.
Where to buy in the US?
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In-store
Drive-thru
Through the McDonald’s app (pickup or delivery)