Franchise opportunities compared
Del Taco vs Sonic Drive-In
Reviewed figures from each brand's Franchise Disclosure Document (FDD), side by side. Each figure carries its FDD year and page. This is not a ranking or recommendation, and the two FDDs may cover different years and location groups.
Initial investment · Item 7
Del Taco
$1,041,200 – $3,321,000
2025 FDD · Item 7Sonic Drive-In
$1,485,200
2026 FDD · Item 7 · PDF p. 38Initial franchise fee · Item 5
Del Taco
Not available
Sonic Drive-In
Not available
Royalty · Item 6
Del Taco
2%
2025 FDD · Item 6 · PDF p. 21Sonic Drive-In
1%
2026 FDD · Item 6 · PDF p. 34Before you compare
- Del Taco figures come from its 2025 FDD and Sonic Drive-In figures from its 2026 FDD, so the years differ.
- Del Taco discloses more than one business format, so the investment range spans formats; the full report breaks them out.
- Item 19 figures cover the location groups each FDD names (Del Taco: 57, Sonic Drive-In: 8). Different groups are not directly comparable.
Financial commitment
Del TacoDel Taco
Sonic Drive-In
Del Taco
Sonic Drive-In
Del Taco
Sonic Drive-In
Del Taco
Sonic Drive-In
System scale & health
Del TacoDel Taco
Sonic Drive-In
Del Taco
Sonic Drive-In
Del Taco
Sonic Drive-In
Del Taco
Sonic Drive-In
Del Taco
Sonic Drive-In
Financial performance (Item 19), by location group
Del TacoItem 19 groups are shown separately and never combined. Revenue or sales figures are not profit. Net outlet change and turnover are Franopolis calculations from the disclosed counts; turnover is a count-based rate, not a measure of owner earnings.
Del Taco vs Sonic Drive-In: common questions
- Which costs less to open, Del Taco or Sonic Drive-In?
- Del Taco: $1,041,200 – $3,321,000 (2025 FDD · Item 7); Sonic Drive-In: $1,485,200 (2026 FDD · Item 7 · PDF p. 38). These are each franchisor's Item 7 estimated initial investment. The low end of the disclosed estimate is lower for Del Taco. At least one range spans several business formats. Estimates are not quotes, and the FDD years may differ.
- How do Del Taco and Sonic Drive-In royalties compare?
- Del Taco: 2% (2025 FDD · Item 6 · PDF p. 21); Sonic Drive-In: 1% (2026 FDD · Item 6 · PDF p. 34). Royalties as disclosed in Item 6; other recurring fees are listed separately.
- Do Del Taco and Sonic Drive-In disclose financial performance (Item 19)?
- Del Taco has reviewed Item 19 figures for 57 location groups; Sonic Drive-In has reviewed Item 19 figures for 8 location groups. Different location groups are not directly comparable, and revenue is not profit.
Answers restate the reviewed figures above. Not a ranking or recommendation.
Keep researching

Full Del Taco report
Every reviewed fee, Item 19 group, outlet table and territory disclosure
Full Sonic Drive-In report
Every reviewed fee, Item 19 group, outlet table and territory disclosure


