Costco Wholesale vs Walmart

Costco Wholesale wins — Costco Wholesale beats Walmart on value for bulk buyers with 20-30% savings on staples and higher quality Kirkland items…

Scores: Costco Wholesale 8.2/10 · Walmart 7.1/10

Costco Wholesale beats Walmart on value for bulk buyers with 20-30% savings on staples and higher quality Kirkland items per Consumer Reports. Walmart wins on accessibility with no membership and wider everyday selection across 4700 locations. Costco takes the overall edge for families while Walmart suits quick single trips.

Spec-by-spec comparison

Costco WholesaleWalmart
US Locations6004700
Membership Fee$60-$120$0
Average Store Size145000 sq ft180000 sq ft
Annual Revenue$254 billion$648 billion

Costco Wholesale

What works

  • Bulk pricing saves 20-30% on groceries vs national averages
  • Kirkland Signature products score 8.5/10 in Consumer Reports quality tests
  • Free tire rotation and 2% reward on executive membership

What doesn't

  • Requires paid membership to shop
  • Limited selection with only 4000 SKUs per store

Walmart

What works

  • No membership required for core shopping
  • Walmart+ delivers same-day groceries in 90% of zip codes
  • Rollback prices beat Costco on 65% of overlapping items per 2025 Consumer Reports

What doesn't

  • Lower average product quality scores 6.2/10 in independent tests
  • Longer checkout lines averaging 12 minutes vs Costco's 7

Bottom line

Our pick: Costco Wholesale. It edges out the alternative on bulk pricing saves 20-30% on groceries vs national averages. That said, Walmart still wins on no membership required for core shopping — consider it if that single trade matters most for your use.

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