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CostillarvsPrime rib

beef · Approximate equivalent

These cuts are approximate equivalents — similar in character but with meaningful differences in preparation or exact cut.

Overlapping naming usage — "costillar" can also refer in Argentine usage to the loin-end rib roast (anatomically Prime rib). The dominant retail meaning is the asado plate-rib slab; Prime rib is anatomically the dorsal-rib roasting joint.

Translation takeaway

These are related cuts, but not perfect swaps. Use the table below to judge how close your local option is before buying.

Open CostillarOpen Prime ribSee substitutes
Keep this comparisonSave Costillar and Prime rib together for shopping, cooking notes, and future reference.
Costillar
Beef · Plate

The whole rib slab cut from the side of the steer for *asado* — typically the 7th through 11th ribs along the bone, with attached intercostal meat, plate fat, and matambre on top. …

TenderloinRoundBottom SirloinRibPlateChuckShort LoinBrisketFlankSirloinShankShank
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Prime rib
Beef · Rib

The standing rib roast is a large, bone-in roast taken from the same section as the ribeye steak, comprising up to 7 rib bones. It is prized for its dramatic presentation, deep…

TenderloinRoundBottom SirloinRibPlateChuckShort LoinBrisketFlankSirloinShankShank
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Names by country

CountryCostillarPrime rib
🇺🇸United StatesPrime rib
🇬🇧United KingdomRib roast
🇫🇷FranceCôte de bœuf
🇪🇸SpainCostillar entero
🇦🇷ArgentinaCostillar
🇲🇽MexicoRosbif de costilla
🇧🇷BrazilCostela premium
🇮🇹ItalyCostata di manzo intera
🇩🇪GermanyHochrippe (Prime Rib)

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