Sonic Drive-In vs Whataburger: Menu Prices Compared (2026)
The short answer
Neither chain is clearly cheaper. Across the 4 comparable items, the two split the wins evenly, with an average gap of $0.37 per item โ which one costs you less comes down to what you order.
Make Sonic Drive-In and Whataburger at Home
Whichever of the two wins on price, cooking the favorites at home beats both. These are the sauces, mixes and kitchen tools that get closest to the real thing.
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Deals Worth Knowing at Both
Sonic Drive-In
- Happy Hour from 2:00 to 4:00 PM every day takes 50 percent off all drinks and slushes โ the single biggest recurring discount in fast food.
- The Sonic app frequently offers half-price burgers on Tuesdays and free items with a purchase.
- Upgrading to a Route 44 (44 oz) for $0.60 more is the cheapest per-ounce drink on the menu, especially during Happy Hour.
Whataburger
- The Honey Butter Chicken Biscuit at $3.99 is the best price-to-satisfaction item on the entire menu โ and it is available for twelve hours a day.
- Whataburger Rewards in the app runs frequent free-item offers and points on every order.
- Ordering a Whataburger Jr. at $3.19 instead of the full Whataburger saves over $3 for a similar build at smaller size.
Sonic Drive-In vs Whataburger โ FAQ
Is Sonic Drive-In cheaper than Whataburger in 2026?
They are close. Across 4 matched items the two chains split the result evenly, with an average difference of only $0.37 per item.
What is the price difference between Sonic Drive-In and Whataburger?
On matched items the average difference is $0.37, or about 32% overall. Sonic Drive-In averages $4.66 across 42 priced items; Whataburger averages $6.87 across 44.
Which has the cheaper entry price, Sonic Drive-In or Whataburger?
Sonic Drive-In starts at $1.99 ($1.99 Snack Menu items) and Whataburger at $1.99 (Apple Slices).
Are these prices the same at every location?
No. Both chains let franchise owners set prices, so figures move by a dollar or more between markets and run highest at airport, stadium and highway locations. Treat these as the typical U.S. price, not a quote.