Drive Thru
Index

發布於2026-10-05

The same 5 oz. Sirloin Steak Rare costs $9.89 at one Illinois Golden Corral and $19.99 at another

As fast food pricing becomes more data-driven, Drive Thru Index compared the pickup prices of the same items at 589 restaurants of five chains in Illinois. Within each chain, prices for the same item differ by up to 102% from one restaurant to the next.

資料截至 。

重點事實

Fast food chains are collecting more and more data about their customers through mobile apps and loyalty programs: accounts with their details, and what they order and when. They are also experimenting with AI and data-driven pricing. Meanwhile the same item can cost very different amounts from one restaurant to the next, and customers cannot see why. Drive Thru Index publishes every restaurant's real price, every day, so anyone can check.

Golden Corral: a 5 oz. Sirloin Steak Rare costs $9.89 at the Golden Corral in Bloomingdale, IL and $19.99 at the Golden Corral in Cicero, IL, $10.10 (102%) more. Across its 11 restaurants in Illinois, the median is $13.99, 4% above Golden Corral's US median of $13.49.

KFC: a Chicken Sandwich costs $3.99 at six KFC restaurants in Belleville, Caseyville, Collinsville, Granite City and O'Fallon, IL and $7.29 at four KFC restaurants in Freeport, Morris, New Lenox and Sycamore, IL, $3.30 (83%) more. Across its 93 restaurants in Illinois, the median is $5.39, the same as KFC's US median of $5.39.

Dairy Queen: a OREO Blizzard costs $4.59 at the Dairy Queen in Roscoe, IL and $7.99 at six Dairy Queen restaurants in Peoria, Bartonville, Creve Coeur, East Peoria and Morton, IL, $3.40 (74%) more. Across its 207 restaurants in Illinois, the median is $6.19, 3% above Dairy Queen's US median of $5.99.

Cinnabon: a MiniBon costs $3.75 at the Cinnabon in Chicago Ridge, IL and $5.99 at the Cinnabon in Schaumburg, IL, $2.24 (60%) more. Across its 15 restaurants in Illinois, the median is $4.99, the same as Cinnabon's US median of $4.99.

Burger King: a Whopper costs $5.79 at five Burger King restaurants in Flora, Galesburg, Mount Carmel, Olney and Paris, IL and $9.19 at the Burger King in Chicago, IL, $3.40 (59%) more. Across its 263 restaurants in Illinois, the median is $6.19, 2% below Burger King's US median of $6.29.

Anthony Gherghetta, an Australian software developer who built Drive Thru Index, started it after reading some of the buzz about AI being used to set fast food prices: he wanted to see whether it was true, and how big the price differences between restaurants really were. Prices bear out the contrast he noticed. In Australia, 97% of McDonald's restaurants charge within 10% of the typical Big Mac price; in the US, 53% do. The gap between the cheapest and the dearest tenth of restaurants is 10% of the typical price in Australia and 33% in the US.

“I kept reading that fast food chains were starting to use AI and customer data to set prices, so I wanted to see if it was true and how big the differences really were. In Australia, where I’m from, a Big Mac costs much the same wherever you buy it. In the US the price changes from one restaurant to the next. Fast food apps now know what you order, when and where, but customers can’t see how prices are set. So I built Drive Thru Index to check every restaurant, every day,” said Gherghetta.

可引用語句

The same Golden Corral 5 oz. Sirloin Steak Rare costs $9.89 at one restaurant in Bloomingdale, IL but $19.99 at another in Cicero, IL.

The same KFC Chicken Sandwich costs $3.99 at one restaurant in Belleville, IL but $7.29 at another in Freeport, IL.

The same Dairy Queen OREO Blizzard costs $4.59 at one restaurant in Roscoe, IL but $7.99 at another in Peoria, IL.

The same Cinnabon MiniBon costs $3.75 at one restaurant in Chicago Ridge, IL but $5.99 at another in Schaumburg, IL.

The same Burger King Whopper costs $5.79 at one restaurant in Flora, IL but $9.19 at another in Chicago, IL.

圖片

Map of Illinois marking the cheapest and most expensive restaurant of each chain. Golden Corral 5 oz. Sirloin Steak Rare: $9.89 in Bloomingdale, IL, $19.99 in Cicero, IL; KFC Chicken Sandwich: $3.99 in Belleville, IL, $7.29 in Freeport, IL.
下載 PNG 下載 JPEG 3200 × 1800
圖說
The cheapest and most expensive Golden Corral 5 oz. Sirloin Steak Rare and KFC Chicken Sandwich in Illinois, October 5, 2026. Image: Drive Thru Index
替代文字
Map of Illinois marking the cheapest and most expensive restaurant of each chain. Golden Corral 5 oz. Sirloin Steak Rare: $9.89 in Bloomingdale, IL, $19.99 in Cicero, IL; KFC Chicken Sandwich: $3.99 in Belleville, IL, $7.29 in Freeport, IL.
來源署名
Image: Drive Thru Index (drivethruindex.com)
Map of Illinois marking the cheapest Golden Corral 5 oz. Sirloin Steak Rare ($9.89 in Bloomingdale, IL) and the most expensive ($19.99 in Cicero, IL).
下載 PNG 下載 JPEG 2160 × 2160
圖說
The cheapest and most expensive Golden Corral 5 oz. Sirloin Steak Rare in Illinois, October 5, 2026. Image: Drive Thru Index
替代文字
Map of Illinois marking the cheapest Golden Corral 5 oz. Sirloin Steak Rare ($9.89 in Bloomingdale, IL) and the most expensive ($19.99 in Cicero, IL).
來源署名
Image: Drive Thru Index (drivethruindex.com)
Same item, different price: Illinois: Golden Corral 5 oz. Sirloin Steak Rare: $9.89 to $19.99 (+102%). Cheapest restaurant in Bloomingdale, IL, most expensive in Cicero, IL; median $13.99, 4% above Golden Corral's US median.; KFC Chicken Sandwich: $3.99 to $7.29 (+83%). Cheapest restaurant in Belleville, IL, most expensive in Freeport, IL; median $5.39, the same as KFC's US median.; Dairy Queen OREO Blizzard: $4.59 to $7.99 (+74%). Cheapest restaurant in Roscoe, IL, most expensive in Peoria, IL; median $6.19, 3% above Dairy Queen's US median.; Cinnabon MiniBon: $3.75 to $5.99 (+60%). Cheapest restaurant in Chicago Ridge, IL, most expensive in Schaumburg, IL; median $4.99, the same as Cinnabon's US median.; Burger King Whopper: $5.79 to $9.19 (+59%). Cheapest restaurant in Flora, IL, most expensive in Chicago, IL; median $6.19, 2% below Burger King's US median.
下載 PNG 下載 JPEG 3200 × 1800
圖說
Same item, different price: Illinois, October 5, 2026. Image: Drive Thru Index
替代文字
Same item, different price: Illinois: Golden Corral 5 oz. Sirloin Steak Rare: $9.89 to $19.99 (+102%). Cheapest restaurant in Bloomingdale, IL, most expensive in Cicero, IL; median $13.99, 4% above Golden Corral's US median.; KFC Chicken Sandwich: $3.99 to $7.29 (+83%). Cheapest restaurant in Belleville, IL, most expensive in Freeport, IL; median $5.39, the same as KFC's US median.; Dairy Queen OREO Blizzard: $4.59 to $7.99 (+74%). Cheapest restaurant in Roscoe, IL, most expensive in Peoria, IL; median $6.19, 3% above Dairy Queen's US median.; Cinnabon MiniBon: $3.75 to $5.99 (+60%). Cheapest restaurant in Chicago Ridge, IL, most expensive in Schaumburg, IL; median $4.99, the same as Cinnabon's US median.; Burger King Whopper: $5.79 to $9.19 (+59%). Cheapest restaurant in Flora, IL, most expensive in Chicago, IL; median $6.19, 2% below Burger King's US median.
來源署名
Image: Drive Thru Index (drivethruindex.com)

新聞稿背後的事實

每個數字皆來自我們2026-10-05的價格資料,並附上本站顯示該數字的頁面。

項目數值查看頁面
Golden Corral 5 oz. Sirloin Steak Rare: $9.89 to $19.99 (+102%)Cheapest restaurant in Bloomingdale, IL, most expensive in Cicero, IL; median $13.99, 4% above Golden Corral's US median.查看頁面
KFC Chicken Sandwich: $3.99 to $7.29 (+83%)Cheapest restaurant in Belleville, IL, most expensive in Freeport, IL; median $5.39, the same as KFC's US median.查看頁面
Dairy Queen OREO Blizzard: $4.59 to $7.99 (+74%)Cheapest restaurant in Roscoe, IL, most expensive in Peoria, IL; median $6.19, 3% above Dairy Queen's US median.查看頁面
Cinnabon MiniBon: $3.75 to $5.99 (+60%)Cheapest restaurant in Chicago Ridge, IL, most expensive in Schaumburg, IL; median $4.99, the same as Cinnabon's US median.查看頁面
Burger King Whopper: $5.79 to $9.19 (+59%)Cheapest restaurant in Flora, IL, most expensive in Chicago, IL; median $6.19, 2% below Burger King's US median.查看頁面
最便宜的Golden Corral 5 oz. Sirloin Steak Rare(門市)$9.89 (1)Bloomingdale, IL
最貴的Golden Corral 5 oz. Sirloin Steak Rare(門市)$19.99 (1)Cicero, IL
最便宜的KFC Chicken Sandwich(門市)$3.99 (6)Belleville, IL, Belleville, IL, Caseyville, IL, Collinsville, IL, Granite City, IL, O'Fallon, IL
最貴的KFC Chicken Sandwich(門市)$7.29 (4)Freeport, IL, Morris, IL, New Lenox, IL, Sycamore, IL
最便宜的Dairy Queen OREO Blizzard(門市)$4.59 (1)Roscoe, IL
最貴的Dairy Queen OREO Blizzard(門市)$7.99 (6)Bartonville, IL, Creve Coeur, IL, East Peoria, IL, Morton, IL, Peoria, IL, Peoria, IL
最便宜的Cinnabon MiniBon(門市)$3.75 (1)Chicago Ridge, IL
最貴的Cinnabon MiniBon(門市)$5.99 (1)Schaumburg, IL
最便宜的Burger King Whopper(門市)$5.79 (5)Flora, IL, Galesburg, IL, Mount Carmel, IL, Olney, IL, Paris, IL
最貴的Burger King Whopper(門市)$9.19 (1)Chicago, IL

研究方法、關於我們與聯絡方式

Drive Thru Index reads every restaurant's menu from each chain's own ordering app every day; these are the latest pickup prices collected on or before October 5, 2026, in US dollars. The area covers every restaurant in Illinois. Each chain is compared only with itself, on its own signature item, and only where it has at least 5 restaurants in the area; prices are never compared between chains or converted between currencies. The cheapest and most expensive restaurants leave out airports and similar special sites, which are reported separately.

About Drive Thru Index: Drive Thru Index (drivethruindex.com) publishes the menu price of every item at every restaurant of the biggest fast food brands, collected each day from the chains' own ordering apps. As pricing becomes more data-driven, it exists so that customers can see what each restaurant really charges and how it compares with others nearby. It covers the US, Canada, Australia, New Zealand, the UK, Ireland, Spain, Mexico and the Netherlands. Brands are only compared with themselves, and prices are never converted between currencies. Its figures are free to quote with attribution: "Source: Drive Thru Index".

The images with this release are free to use with the credit "Image: Drive Thru Index (drivethruindex.com)".

Media contact: anthony@drivethruindex.com

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不屬於新聞稿內容:這些報導佐證了文中唯一一句背景說明,供記者提問時參考。

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