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FranchiseVerdict

AAMCO vs Big O Tires

Franchise Comparison 2026

Both AAMCO and Big O Tires are automotive franchises. AAMCO requires an investment of $235K – $353K while Big O Tires requires $512K – $1.9M. In terms of revenue, Big O Tires reports higher average unit revenue at $2.8M. On SBA loan performance, Big O Tires has a lower charge-off rate (14.5%) compared to AAMCO (28.5%). FranchiseVerdict rates AAMCO C (Average) and Big O Tires B (Above average).

Investment Range
$235K – $353K
$512K – $1.9M
Franchise Fee
$40K
$18K
Royalty Rate
7.5%
5.0%
Average Revenue (Item 19)
$937K
$2.8M
SBA Charge-Off Rate
28.5% (586 loans)
14.5% (352 loans)
Total Units
560
461
Unit Growth (YoY)
N/A
N/A
Year Began Franchising
1963
1982
FDD Year
2023
2025