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2 min read

Costco vs Sam's Club: 2026 Comparison Guide

Costco offers superior product selection and quality, particularly in organic and premium items, while Sam's Club provides a lower entry membership cost but with a narrower range. Both warehouse clubs are implementing AI and technology upgrades in 2026, though Costco maintains a larger market presence and membership base.

Costco

Costco

Membership-based warehouse club offering bulk products and premium Kirkland Signature private label.

Consumers prioritizing quality, organic options, and are willing to pay a premium for curated selections and brand reputation.

Score71%
VS
Sam's Club

Sam's Club

Membership-based warehouse club offering bulk quantities and wholesale pricing with 599 US locations.

Budget-conscious shoppers seeking convenient warehouse access and value, especially those prioritizing fresh convenience foods and basic grocery items.

Score63%
63 attributes8 differences15 pros/cons

Quick Answer

AI Summary

Costco offers superior product selection and quality, particularly in organic and premium items, while Sam's Club provides a lower entry membership cost but with a narrower range. Both warehouse clubs are implementing AI and technology upgrades in 2026, though Costco maintains a larger market presence and membership base.

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Our Verdict

AI-assisted

Costco remains the leader in product quality and brand prestige with superior organic and premium selections, justifying its slightly higher membership fee. Sam's Club offers competitive pricing and more locations with improving technology and fresh food offerings, making it suitable for value-conscious shoppers. The choice depends on whether quality and selection or lower entry costs and convenience matter more to you.

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Costco

Choose Costco if

Consumers prioritizing quality, organic options, and are willing to pay a premium for curated selections and brand reputation.

Sam's Club

Choose Sam's Club if

Best pick

Budget-conscious shoppers seeking convenient warehouse access and value, especially those prioritizing fresh convenience foods and basic grocery items.

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Key Differences at a Glance

  • Membership Fee (Gold/Basic):Sam's Club wins($50/year vs $60/year)
  • Product Selection Quality:Costco wins(Premium, organic, and higher-end options vs Limited organic and premium options)
  • Premium Membership Option:$120/year (Executive) vs $110/year (Plus)
See all 8 differences

Key Facts & Figures

50 numeric metrics compared

MetricCostcoSam's ClubRatio
Annual Revenue(USD Billions)$238 Billion
Membership Fee(USD/year)$65
Average Employee Wage(USD/hr)~$26
Basic Annual Membership Cost($)Costco GoldSam's Club Basic
Premium Membership Cost($)Costco ExecutiveSam's Club Plus
US Store Locations(stores)CostcoSam's Club
Annual Membership Cost (Gold/Basic)(USD)$65
Total Club Locations(stores)870+
Annual Revenue (2026)(billions USD)$280+
Annual Revenue per Store(millions USD)Costco: $300+ million
Customer Satisfaction (Net Promoter Score)(NPS points)Costco: 80+
Average Employee Wage(USD hourly)Costco: $28-32
Inventory Turnover(times per year)Costco: 11-12x
Online Order Fulfillment(delivery time days)Costco: 2-3 days
Global Employee Count(thousands)Costco: 300+ thousand
Product Return Rate(percentage)Costco: 3-4%
Annual Membership Fee(USD)$60-130
Product SKU Count per Store(items)3,600-4,0003,500-4,000
US Store Locations(stores)570+599
Average Transaction Value(USD)$120-150$150-$200
Estimated Annual Savings Threshold(USD)$2,000 to break-even
Kirkland/Great Value Private Label Market Share(percent of sales)35-40%
Customer Satisfaction Score (ACSI)(points (0-100))84
Total Store Locations (2025)(stores)600+600+
Gold Membership Annual Cost(USD)$50$50
Executive Membership Annual Cost(USD)$110$110
Fuel Center Locations(locations)500+500+
Private Label Products Available(SKUs)1,500+ (Member's Mark)1,500+ (Member's Mark)
Major Promotional Sales Events Per Year(events)12-1512-15
Annual Membership Cost(USD)$45-$110$45-$110
Per-Unit Price on Bulk Staples(USD per unit)$0.85$0.85
Total Product SKUs(millions)3,700-4,0003,700-4,000
Grocery Product Mix(percent of inventory)25-30%25-30%
Private Label Savings vs National Brands(percent discount)15-30% (Member's Mark)15-30% (Member's Mark)
Estimated Break-Even on Membership (annual savings needed)(months)2-3 months2-3 months
Bulk Item Savings vs Retail(percent)10-15%10-15%
Fuel Discount Availability(cents per gallon)10-30¢ (all members)10-30¢ (all members)
Minimum Typical Purchase(USD)$100+$100+
Return Policy Window(days)45 days45 days
Member's Mark/Great Value Brand Savings(percent)20-30% (Member's Mark)20-30% (Member's Mark)
Annual Membership Fee (Gold/Basic)(USD)$50$50
Global Warehouse Locations(locations)599599
Private Label Product Count(products)1,2001,200
Member Satisfaction Rate(%)82%82%
Average Annual Spending Per Member(USD)$2,100$2,100
Rotisserie Chicken Price(USD)$4.98$4.98
Product Selection (SKUs)(items)3,500-4,0003,500-4,000
Bulk Item Price Advantage(% discount vs. retail)20-40%20-40%
Gasoline Discount(¢ below market)10-15¢10-15¢
Private Label Quality Rating(out of 5.0)4.14.1

Sourced from publicly available data ·

Key Differences

8 attributes compared head-to-head

Costco
2Costco
Sam's Club leads3 ties
Sam's Club
3Sam's Club
  • Membership Fee (Gold/Basic)

    Costco

    $60/year

    Sam's Club

    $50/year(winner)

  • Product Selection Quality

    Costco

    Premium, organic, and higher-end options(winner)

    Sam's Club

    Limited organic and premium options

  • Premium Membership Option

    Costco

    $120/year (Executive)

    Sam's Club

    $110/year (Plus)

  • Food Court Access

    Costco

    Members only (2026 policy change)

    Sam's Club

    Members available

  • Technology Integration (2026)

    Costco

    Digital ordering system, scan-and-go

    Sam's Club

    AI improvements, digital upgrades

Full Comparison

Costco
Sam's Club
Annual Revenue(USD Billions)
$238 Billion
Annual Revenue per Store(millions USD)
Costco: $300+ million
Market Capitalization(trillions USD)
Costco: $450+ billion
Membership Fee(USD/year)
$65
Annual Membership Fee (Gold/Basic)(USD)
$50
Average Employee Wage(USD/hr)
~$26
Basic Annual Membership Cost($)
Costco Gold
Sam's Club Basic
Premium Membership Cost($)
Costco Executive
Sam's Club Plus
Annual Membership Cost (Gold/Basic)(USD)
$65
Annual Membership Cost(USD)
$45-$110
Per-Unit Price on Bulk Staples(USD per unit)
$0.85
Show 5 more attributes
Private Label Savings vs National Brands(percent discount)
15-30% (Member's Mark)
Bulk Item Savings vs Retail(percent)
10-15%
Member's Mark/Great Value Brand Savings(percent)
20-30% (Member's Mark)
Bulk Electronics Price Competitiveness(%)
15-20% below average
Bulk Item Price Advantage(% discount vs. retail)
20-40%
US Store Locations(stores)
Costco
Sam's Club
Total Club Locations(stores)
870+
Global Employee Count(thousands)
Costco: 300+ thousand
Global Warehouse Locations(locations)
599
Organic Product Availability
Extensive range
Limited selection
Product SKU Count per Store(items)
3,600-4,000
3,500-4,000
Total Product SKUs(millions)
3,700-4,000
Private Label Product Count(products)
1,200
Product Selection (SKUs)(items)
3,500-4,000
Private Label Brand Recognition
Kirkland Signature (premium)
Member's Mark (value)
Digital Technology Features (2026)
Digital ordering, scan-and-go
AI integration, store upgrades
Food Court Access Policy
Members only (2026 change)
Member availability
Fresh Food Menu Updates (2026)
Prescription pricing adjustments
Ready-to-serve upgrades, natural ingredients
Annual Revenue (2026)(billions USD)
$280+
Geographic Coverage(states)
12+ countries global
Private Label Brands(tiers)
Kirkland Signature (extensive)
Private Label Products Available(SKUs)
1,500+ (Member's Mark)
Projected Comp Sales Growth (2026)(percent)
Stable/Conservative
Promotional Frequency(strategy)
Conservative, selective
Customer Satisfaction (Net Promoter Score)(NPS points)
Costco: 80+
Product Return Rate(percentage)
Costco: 3-4%
Customer Satisfaction Score (ACSI)(points (0-100))
84
Average Employee Wage(USD hourly)
Costco: $28-32
Inventory Turnover(times per year)
Costco: 11-12x
Online Order Fulfillment(delivery time days)
Costco: 2-3 days
Annual Membership Fee(USD)
$60-130
US Store Locations(stores)
570+
599
Average Transaction Value(USD)
$120-150
$150-$200
Estimated Annual Savings Threshold(USD)
$2,000 to break-even
Estimated Break-Even on Membership (annual savings needed)(months)
2-3 months
Kirkland/Great Value Private Label Market Share(percent of sales)
35-40%
Bulk Purchase Minimum Requirement(typical qty)
Multi-packs/cases standard
Total Store Locations (2025)(stores)
600+
Gold Membership Annual Cost(USD)
$50
Executive Membership Annual Cost(USD)
$110
Fuel Center Locations(locations)
500+
Major Promotional Sales Events Per Year(events)
12-15
Grocery Product Mix(percent of inventory)
25-30%
Fuel Discount Availability(cents per gallon)
10-30¢ (all members)
Minimum Typical Purchase(USD)
$100+
Return Policy Window(days)
45 days
Return Policy Duration (General)(days)
90 days
Member Satisfaction Rate(%)
82%
Average Annual Spending Per Member(USD)
$2,100
Rotisserie Chicken Price(USD)
$4.98
Gasoline Discount(¢ below market)
10-15¢
Private Label Quality Rating(out of 5.0)
4.1

Pros & Cons

10 pros·5 cons across both

Costco
Sam's Club
Costco

Costco

+5-2

Pros

Extensive organic and premium product selection
Highly regarded Kirkland Signature private label brand
Strong technology integration with digital ordering and scan-and-go
Executive membership rewards up to $110 cash back annually
Expanding with new store openings and stand-alone gas stations in 2026

Cons

Higher membership fees ($60-$120 annually)
Members-only food court access restricts non-member benefits
Sam's Club

Sam's Club

+5-3

Pros

Lower entry-level membership at $50/year
More locations (600+ US stores)
Member's Mark private label brand improving with natural ingredients
Upgraded ready-to-serve fresh food menu in 2026
AI-powered improvements enhancing shopping experience

Cons

Limited organic and premium product selection compared to Costco
Membership fee increases narrowing the price advantage
Less robust private label recognition and quality reputation

Frequently Asked Questions

5 questions

  1. Costco offers significantly more organic and premium products compared to Sam's Club. While Sam's Club carries some organic options, Costco's extensive selection of organic items justifies the slightly higher membership fee for health-conscious shoppers.

  2. Sam's Club Basic ($50/year) is $10 cheaper than Costco Gold ($60/year). However, Costco's superior product quality, brand reputation, and selection often provide better value despite the higher cost. The choice depends on your shopping priorities and purchase patterns.

  3. Costco is launching digital ordering systems and expanding scan-and-go technology, plus introducing stand-alone gas stations. Sam's Club is implementing AI improvements and store upgrades to enhance the shopping experience. Both are modernizing their operations.

  4. Sam's Club currently operates over 600 US locations compared to Costco's 570+ stores. However, Costco is actively opening new stores in 2026, so this gap may narrow.

  5. Kirkland Signature (Costco) has stronger brand recognition and is generally perceived as higher quality. Member's Mark (Sam's Club) is improving with simpler, more natural ingredients as of 2026, but Kirkland still maintains a premium reputation.

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