Skip to main content
Prime Rate:6.75%Fed Funds:3.64%5-Yr Treasury:3.88%10-Yr Treasury:4.25%30-Yr Treasury:4.83%30-Yr Mortgage:6.22%·Updated Mar 19, 2026Prime Rate:6.75%Fed Funds:3.64%5-Yr Treasury:3.88%10-Yr Treasury:4.25%30-Yr Treasury:4.83%30-Yr Mortgage:6.22%·Updated Mar 19, 2026
Rates
Side-by-Side Comparison

NAPA Auto Parts vs Ziebart Rustproofing

Quick Answer

NAPA Auto Parts vs Ziebart Rustproofing: NAPA Auto Parts costs $75K$850K to open; Ziebart Rustproofing costs $52K$238K. NAPA Auto Parts has 215 units, Ziebart Rustproofing has 14. SBA loan history: NAPA Auto Parts = 193 loans (6.7% default); Ziebart Rustproofing = 24 loans (37.5% default). The franchise with more SBA-funded units, lower default rate, and lower royalty load is the safer financing bet — see the comparison below.

NAPA Auto Parts vs Ziebart Rustproofing — Capital, Scale & Lending Analysis

Data-driven differentiation pulled from FDD filings and SBA 7(a) loan-level data. Each pairing reflects a unique combination of capital intensity, system scale, and financing path.

Capital Intensity

Ziebart Rustproofing requires the lower minimum capital commitment ($52K vs $75K for NAPA Auto Parts), a 46% spread.

System Scale & Tenure

On scale, NAPA Auto Parts operates 215 units to Ziebart Rustproofing's 14 — roughly 15× the system size. NAPA Auto Parts has been operating 101 years (founded 1925) versus 67 for Ziebart Rustproofing (founded 1959) — a 34-year tenure gap that affects unit-economics maturity and FDD revision history.

SBA Lending Profile

NAPA Auto Parts has the deeper SBA lending track record with 193 historical 7(a) approvals versus 24 for Ziebart Rustproofing. NAPA Auto Parts's peak SBA year was 2014 (23 loans); Ziebart Rustproofing's peak was 1995 (6 loans). NAPA Auto Parts's more recent peak generally indicates fresher lender appetite. Geographically, NAPA Auto Parts concentrates in MN (29 SBA-funded units) while Ziebart Rustproofing leads in OH (3) — pick the brand whose strongest state matches yours for warmest lender introductions. Average SBA loan size on funded NAPA Auto Parts deals is $342K vs $129K for Ziebart Rustproofing — useful as a sizing anchor when modeling your own unit.

Risk Signal

SBA default rates are 6.7% for NAPA Auto Parts and 37.5% for Ziebart Rustproofing — NAPA Auto Parts has the cleaner historical loss profile by 30.8 points. PeerSense FPI scores come in at 43 (Fair) for NAPA Auto Parts and 36 (Fair) for Ziebart Rustproofing, giving NAPA Auto Parts the stronger composite signal across SBA performance, lender appetite, and operational consistency.

NAPA Auto Parts
NAPA Auto Parts

Automotive Parts

43 7W
Ziebart Rustproofing
Ziebart Rustproofing

Automotive Parts

36

Health & Performance

FPI Score
43/100
36/100
Health Tier
Fair
Fair
Confidence
N/A
N/A
Lending Trend
Declining
N/A

SBA Lending

SBA Loans
193
24
SBA Volume
Default Rate
6.7%
37.5%
Peer Tier
major
growing

Investment & Costs

Total Investment
$75K$850K
$52K$238K
Franchise Fee
N/A
$54K
Royalty Rate
N/A
8%
Ad Fund
N/A
2%
Liquid Capital
N/A
N/A
Net Worth Required
N/A
N/A

Financial Performance (Item 19)

Item 19 Status
Not Disclosed
Not Disclosed

System Size & Operations

Total Units
215
14
Franchised Units
215
14
Company-Owned
Term Length
N/A
10 yrs

Brand Information

Year Founded
1925
1959
Franchising Since
1936
N/A
Years Franchising
90 yrs
N/A
Headquarters
Atlanta, GA
BOARDMAN, OH
Category
Automotive Parts
Automotive Parts
Website
FDD Year
N/A
N/A

Which Is Better — NAPA Auto Parts or Ziebart Rustproofing?

Lower upfront capital required

Ziebart Rustproofing

NAPA Auto Parts: $75K starting · Ziebart Rustproofing: $52K starting

More SBA lender confidence

NAPA Auto Parts

NAPA Auto Parts: 193 SBA loans · Ziebart Rustproofing: 24 SBA loans

Lower historical default rate

NAPA Auto Parts

NAPA Auto Parts: 6.7% · Ziebart Rustproofing: 37.5%

Larger system & brand presence

NAPA Auto Parts

NAPA Auto Parts: 215 units · Ziebart Rustproofing: 14 units

More lender financing options

NAPA Auto Parts

NAPA Auto Parts: 131 unique lenders · Ziebart Rustproofing: 21 unique lenders

Decision matrix uses publicly disclosed FDD and SBA loan data. Not a recommendation — your best franchise depends on capital, market, operating capacity, and risk tolerance.

Franchise Financing

Need Funding for NAPA Auto Parts or Ziebart Rustproofing?

PeerSense connects you with 500+ SBA lenders and capital sources. Our referral fee is established upfront and paid at closing. No retainers.

500+

SBA Lenders & Capital Sources

$0

Retainers or Consulting Fees

SBA 7(a)

10% Down Franchise Loans

About These Franchises

NAPA Auto Parts

No description available.

Ziebart Rustproofing

No description available.

NAPA Auto Parts vs Ziebart Rustproofing: Franchise Funding Comparison

Comparing NAPA Auto Parts and Ziebart Rustproofing is about more than brand preference — it's about which franchise fits your financial profile and funding strategy. Investment ranges from $52K to $850K.

Both brands have active SBA lending histories — NAPA Auto Parts with 193 SBA loans and Ziebart Rustproofing with 24. This means proven lender acceptance and established underwriting paths for franchise buyers.

SBA 7(a) loans are the most common franchise funding vehicle, offering up to $5M with as little as 10% down. PeerSense connects franchise buyers with the specific lenders who have approved loans for these brands — not generic referrals, but lenders with actual franchise lending track records.

Data sourced from SBA loan records, Franchise Disclosure Documents, and public filings. Updated regularly. Not financial advice — consult with a lending professional before making investment decisions.

NAPA Auto Parts vs Ziebart Rustproofing — Frequently Asked Questions

Which is a better franchise investment — NAPA Auto Parts or Ziebart Rustproofing?
Compare NAPA Auto Parts vs Ziebart Rustproofing franchise costs, FDD data, royalty rates, unit counts, and SBA lending history side by side above. The best franchise depends on your capital, market, and risk tolerance — not a single ranking. Use the decision matrix above to see which brand wins on each financing dimension.
How much does a NAPA Auto Parts franchise cost compared to Ziebart Rustproofing?
NAPA Auto Parts requires $75K–$850K in total initial investment with a N/A franchise fee. Ziebart Rustproofing requires $52K–$238K with a $54K franchise fee. All numbers come from official Franchise Disclosure Document filings.
Can I finance NAPA Auto Parts or Ziebart Rustproofing with an SBA loan?
Both brands appear on the SBA Franchise Directory and have funded SBA 7(a) loans: NAPA Auto Parts has 193 SBA loans on record; Ziebart Rustproofing has 24. SBA 7(a) is the most common franchise financing vehicle, offering up to $5M with 10% down. PeerSense routes your deal to lenders who have already approved the brand.
Which has a lower SBA default rate — NAPA Auto Parts or Ziebart Rustproofing?
NAPA Auto Parts: 6.7% historical SBA default rate. Ziebart Rustproofing: 37.5% historical SBA default rate. Lower default rates mean lenders quote tighter rates and underwrite faster.