Del Taco vs Sonic Drive-In: Menu Prices Compared (2026)
The short answer
Del Taco is the cheaper of the two. Of the 4 directly comparable items we could match across both menus, Del Taco is cheaper on 4 of them, by an average of $2.63 per item.
Deals Worth Knowing at Both
Del Taco
- The 20 Under $2 menu is the deepest value lineup in Mexican fast food โ a Value Taco at $1.29 and a cheeseburger at $1.99 from the same window.
- Two Value Tacos plus Value Fries comes to about $4.37, well under any combo on the board.
- Del Yeah! Rewards in the app gives a free item on signup, points on every order and a birthday reward.
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.
Del Taco vs Sonic Drive-In โ FAQ
Is Del Taco cheaper than Sonic Drive-In in 2026?
Del Taco is cheaper on most matched items โ 4 of 4. Across the whole menu Del Taco is the lower-priced of the two, at $3.49 for a typical item against $4.29 at Sonic Drive-In.
What is the price difference between Del Taco and Sonic Drive-In?
On matched items the average difference is $2.63, or about 9% overall. Del Taco averages $4.25 across 44 priced items; Sonic Drive-In averages $4.66 across 42.
Which has the cheaper entry price, Del Taco or Sonic Drive-In?
Del Taco starts at $1.29 (Value Taco) and Sonic Drive-In at $1.99 ($1.99 Snack Menu items).
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.