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FranchiseVerdict

BURGER KING vs Sonic

Franchise Comparison 2026

Both BURGER KING and Sonic are quick-service restaurants franchises. BURGER KING requires an investment of $348K – $3.3M while Sonic requires $670K – $2.5M. In terms of revenue, BURGER KING reports higher average unit revenue at $1.7M. On SBA loan performance, BURGER KING has a lower charge-off rate (7.3%) compared to Sonic (8.3%). FranchiseVerdict rates BURGER KING A (Top Quintile) and Sonic A (Top Quintile).

Investment Range
$348K – $3.3M
$670K – $2.5M
Franchise Fee
$50K
$15K
Royalty Rate
4.5%
5.0%
Average Revenue (Item 19)
$1.7M
$1.6M
SBA Charge-Off Rate
7.3% (275 loans)
8.3% (144 loans)
Total Units
6,650
3,412
Unit Growth (YoY)
N/A
N/A
Year Began Franchising
2022
1974
FDD Year
2026
2026