I wanted to know if the Costco ball still embarrasses a Pro V1, or if that story is five years stale. Calling the launch-week (and lawsuit-week) bluff is the whole point of this one.

Few golf products have generated as much debate as the Kirkland Signature golf ball. When Costco launched its three-piece urethane ball at roughly $1.25 per ball, the internet lost its mind, Acushnet filed a lawsuit, and millions of golfers wondered if they’d been overpaying. Here’s an honest look at where things actually stand.

Kirkland Signature

The Kirkland Signature is a three-piece urethane-covered golf ball sold exclusively through Costco. At roughly $30 for a box of 24, it’s the most aggressive price-per-ball proposition in the urethane category. Independent testing from Golf Digest, and various launch monitor comparisons have consistently shown it performing within a reasonable margin of major brand tour balls on driver distance and greenside spin.

The limitations are real: Costco’s supply is inconsistent, the ball is sometimes unavailable for months, and some testing has shown slightly more ball-to-ball variation in compression compared to Titleist’s manufacturing. For a golfer who goes through three or four balls a round, availability is a practical problem.

Price: ~$30 for 24 (~$1.25/ball)

Titleist Pro V1

The Pro V1 is the benchmark. It’s the best-selling premium golf ball in the world, used by more tour professionals than any other ball, and manufactured to tolerances that are essentially the tightest in the business. The 2024-generation Pro V1 delivers mid-spin performance with a soft urethane cover and excellent all-around consistency. What it offers that the Kirkland can’t reliably match is consistency — not just in feel and performance, but in availability. You can buy Pro V1s in any golf shop, any day, in any quantity you need.

Price: ~$54/dozen (~$4.50/ball)

Head to Head

Performance gap: Smaller than most Pro V1 loyalists would admit. For most amateur golfers, the measurable difference is marginal on full shots and modest on short game spin.

Consistency: Pro V1 wins clearly. Tighter manufacturing tolerances and near-zero ball-to-ball variation.

Availability: Pro V1 wins completely. Kirkland’s supply through Costco can disappear for extended periods with no notice.

Value: Kirkland Signature, if you can get it. The $3.25/ball savings adds up fast over a season.

Best for: Kirkland for golfers who play frequently, don’t lose many balls, and can stockpile when available. Pro V1 for golfers who want the most consistent premium ball without supply concerns.

The Bottom Line

The Kirkland Signature is genuinely good and the gap to a Pro V1 is smaller than the price difference suggests. But availability is a real limitation for competitive golfers with upcoming events. The Pro V1 earns its premium partly through performance and mostly through the peace of mind of consistent supply.