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The same Whopper costs $3.99 at one San Antonio Burger King and $7.89 at another

As fast food pricing becomes more data-driven, Drive Thru Index compared the pickup prices of the same items at 233 restaurants of five chains in the San Antonio area. Within each chain, prices for the same item differ by up to 98% from one restaurant to the next.

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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.

Burger King: a Whopper costs $3.99 at ten Burger King restaurants in San Antonio, Converse and Lytle, TX and $7.89 at the Burger King in San Antonio, TX, $3.90 (98%) more. Across its 37 restaurants in the San Antonio area, the median is $5.99, 5% below Burger King's US median of $6.29.

Sonic: a Sonic Cheeseburger costs $4.89 at three Sonic restaurants in Castroville, Lytle and San Antonio, TX and $6.49 at 27 Sonic restaurants in San Antonio, Castle Hill, Converse and Schertz, TX, $1.60 (33%) more. Across its 45 restaurants in the San Antonio area, the median is $6.49, 14% above Sonic's US median of $5.69.

Popeyes: a Classic Chicken Sandwich costs $4.99 at the Popeyes in San Antonio, TX and $6.59 at the Popeyes in San Antonio, TX, $1.60 (32%) more. Across its 27 restaurants in the San Antonio area, the median is $5.79, the same as Popeyes' US median of $5.79.

McDonald's: a Big Mac costs $4.79 at the McDonald's in San Antonio, TX and $5.50 at 33 McDonald's restaurants in San Antonio, Converse, Boerne and Schertz, TX, $0.71 (15%) more. Across its 99 restaurants in the San Antonio area, the median is $5.29, 12% below McDonald's US median of $5.99.

Chipotle: a Chicken Burrito costs $9.15 at the Chipotle in San Antonio, TX and $10.15 at the Chipotle in Universal City, TX, $1.00 (11%) more. Across its 25 restaurants in the San Antonio area, the median is $9.65, 2% below Chipotle's US median of $9.80.

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.

Lainattavia lauseita

The same Burger King Whopper costs $3.99 in San Antonio, TX but $7.89 in San Antonio, TX.

The same Sonic Cheeseburger costs $4.89 in Castroville, TX but $6.49 in San Antonio, TX.

The same Popeyes Classic Chicken Sandwich costs $4.99 in San Antonio, TX but $6.59 in San Antonio, TX.

The same McDonald's Big Mac costs $4.79 in San Antonio, TX but $5.50 in San Antonio, TX.

The same Chipotle Chicken Burrito costs $9.15 in San Antonio, TX but $10.15 in Universal City, TX.

Kuvat

Map of the San Antonio area marking the cheapest and most expensive restaurant of each chain. Burger King Whopper: $3.99 in San Antonio, TX, $7.89 in San Antonio, TX; Sonic Cheeseburger: $4.89 in Castroville, TX, $6.49 in San Antonio, TX.
Lataa PNG Lataa JPEG 3200 × 1800
Kuvateksti
The cheapest and most expensive Burger King Whopper and Sonic Cheeseburger in the San Antonio area, October 2, 2026. Image: Drive Thru Index
Vaihtoehtoinen teksti
Map of the San Antonio area marking the cheapest and most expensive restaurant of each chain. Burger King Whopper: $3.99 in San Antonio, TX, $7.89 in San Antonio, TX; Sonic Cheeseburger: $4.89 in Castroville, TX, $6.49 in San Antonio, TX.
Kuvaaja / lähde
Image: Drive Thru Index (drivethruindex.com)
Map of the San Antonio area marking the cheapest Burger King Whopper ($3.99 in San Antonio, TX) and the most expensive ($7.89 in San Antonio, TX).
Lataa PNG Lataa JPEG 2160 × 2160
Kuvateksti
The cheapest and most expensive Burger King Whopper in the San Antonio area, October 2, 2026. Image: Drive Thru Index
Vaihtoehtoinen teksti
Map of the San Antonio area marking the cheapest Burger King Whopper ($3.99 in San Antonio, TX) and the most expensive ($7.89 in San Antonio, TX).
Kuvaaja / lähde
Image: Drive Thru Index (drivethruindex.com)
Same item, different price: San Antonio: Burger King Whopper: $3.99 to $7.89 (+98%). Cheapest in San Antonio, TX, most expensive in San Antonio, TX; median $5.99, 5% below Burger King's US median.; Sonic Cheeseburger: $4.89 to $6.49 (+33%). Cheapest in Castroville, TX, most expensive in San Antonio, TX; median $6.49, 14% above Sonic's US median.; Popeyes Classic Chicken Sandwich: $4.99 to $6.59 (+32%). Cheapest in San Antonio, TX, most expensive in San Antonio, TX; median $5.79, the same as Popeyes' US median.; McDonald's Big Mac: $4.79 to $5.50 (+15%). Cheapest in San Antonio, TX, most expensive in San Antonio, TX; median $5.29, 12% below McDonald's US median.; Chipotle Chicken Burrito: $9.15 to $10.15 (+11%). Cheapest in San Antonio, TX, most expensive in Universal City, TX; median $9.65, 2% below Chipotle's US median.
Lataa PNG Lataa JPEG 3200 × 1800
Kuvateksti
Same item, different price: San Antonio, October 2, 2026. Image: Drive Thru Index
Vaihtoehtoinen teksti
Same item, different price: San Antonio: Burger King Whopper: $3.99 to $7.89 (+98%). Cheapest in San Antonio, TX, most expensive in San Antonio, TX; median $5.99, 5% below Burger King's US median.; Sonic Cheeseburger: $4.89 to $6.49 (+33%). Cheapest in Castroville, TX, most expensive in San Antonio, TX; median $6.49, 14% above Sonic's US median.; Popeyes Classic Chicken Sandwich: $4.99 to $6.59 (+32%). Cheapest in San Antonio, TX, most expensive in San Antonio, TX; median $5.79, the same as Popeyes' US median.; McDonald's Big Mac: $4.79 to $5.50 (+15%). Cheapest in San Antonio, TX, most expensive in San Antonio, TX; median $5.29, 12% below McDonald's US median.; Chipotle Chicken Burrito: $9.15 to $10.15 (+11%). Cheapest in San Antonio, TX, most expensive in Universal City, TX; median $9.65, 2% below Chipotle's US median.
Kuvaaja / lähde
Image: Drive Thru Index (drivethruindex.com)

Tiedotteen taustalla olevat faktat

Jokainen luku perustuu hintoihimme päivältä 2026-10-02, ja mukana on sivu, jolla se näkyy.

LukuArvoMissä nähtävissä
Burger King Whopper: $3.99 to $7.89 (+98%)Cheapest in San Antonio, TX, most expensive in San Antonio, TX; median $5.99, 5% below Burger King's US median.Katso sivu
Sonic Cheeseburger: $4.89 to $6.49 (+33%)Cheapest in Castroville, TX, most expensive in San Antonio, TX; median $6.49, 14% above Sonic's US median.Katso sivu
Popeyes Classic Chicken Sandwich: $4.99 to $6.59 (+32%)Cheapest in San Antonio, TX, most expensive in San Antonio, TX; median $5.79, the same as Popeyes' US median.Katso sivu
McDonald's Big Mac: $4.79 to $5.50 (+15%)Cheapest in San Antonio, TX, most expensive in San Antonio, TX; median $5.29, 12% below McDonald's US median.Katso sivu
Chipotle Chicken Burrito: $9.15 to $10.15 (+11%)Cheapest in San Antonio, TX, most expensive in Universal City, TX; median $9.65, 2% below Chipotle's US median.Katso sivu
Halvin Burger King Whopper (ravintolat)$3.99 (10)Converse, TX, Converse, TX, Lytle, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX
Kallein Burger King Whopper (ravintolat)$7.89 (1)San Antonio, TX
Halvin Sonic Sonic Cheeseburger (ravintolat)$4.89 (3)Castroville, TX, Lytle, TX, San Antonio, TX
Kallein Sonic Sonic Cheeseburger (ravintolat)$6.49 (27)Castle Hill, TX, Converse, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, Schertz, TX
Halvin Popeyes Classic Chicken Sandwich (ravintolat)$4.99 (1)San Antonio, TX
Kallein Popeyes Classic Chicken Sandwich (ravintolat)$6.59 (1)San Antonio, TX
Halvin McDonald's Big Mac (ravintolat)$4.79 (1)San Antonio, TX
Kallein McDonald's Big Mac (ravintolat)$5.50 (33)Boerne, TX, Converse, TX, Converse, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, San Antonio, TX, Schertz, TX
Halvin Chipotle Chicken Burrito (ravintolat)$9.15 (1)San Antonio, TX
Kallein Chipotle Chicken Burrito (ravintolat)$10.15 (1)Universal City, TX

Menetelmä, taustaa ja yhteystiedot

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 2, 2026, in US dollars. The area covers restaurants within 25 miles (40 km) of downtown of San Antonio, each restaurant counted in its nearest city. 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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