TaylorMade says the Qi4D addresses the spin consistency issues that plagued the Qi35. Two years of Most Wanted data and 26 overlapping testers gave us the receipts.
Golf companies have been making performance claims for as long as anyone remembers. And TaylorMade? Yeah, they’ve certainly made their fair share of distance claims before transitioning to more forgiveness-centric messaging in recent years.
While 2026 and Qi4D promised a return to a more speed-focused approach to driver design, notable in the company’s talking points wasn’t a promise of 10 more yards (nobody actually says that anymore). It was an assertion that the significant spin consistency issues that showed up in the Qi35 had been addressed and resolved. With Qi4D, says TaylorMade, you’ll get significantly reduced spin variation across the face.
Testable claims are the best kind, so that’s what we did.
How we got here
To understand why this spin consistency stuff matters, you need to understand what happened with the Qi10 and Qi35. TaylorMade went hard after MOI (moment of inertia), the property that determines how much the clubhead resists twisting on off-center hits. Higher MOI is often used interchangeably with “forgiveness.” And while I’d argue there’s plenty more to forgiveness than MOI, it has, nevertheless, been the industry’s forgiveness benchmark for years.
With the Qi35, I’d posit that TaylorMade overcooked things a bit. And to their credit, they’ve more or less acknowledged as much. In the pursuit of higher MOI, the Qi35 appeared to give up some ball speed, which felt strange coming from a company that has built its identity on being the “distance” brand. That’s not the focus of this piece but it’s relevant context.
What is the focus is what happened on the face. TaylorMade’s own fitting accounts reported that Qi35 spin rates were all over the place depending on where golfers struck the ball. Hit it center, get one spin number. Hit it a quarter-inch low, get a meaningfully different one. Hit it high … you see where this is going.
Here’s the thing that makes this interesting from a forgiveness standpoint. MOI went up. By that traditional measure, the Qi10 and Qi35 were more forgiving than previous TaylorMade drivers (by plenty) but spin consistency went down. If you think spin consistency is part of the forgiveness equation (and you probably should), a driver that maintains ball speed on off-center hits but delivers wildly different spin depending on where you catch it is doing half the job. You’re keeping your speed but your ball flight is unpredictable.
Big picture? That’s a tension worth paying attention to as the industry continues to chase MOI numbers.
The test
We tested the full Qi4D lineup (Core, LS, Max, Max Lite) as part of our 2026 Most Wanted Driver test and the full Qi35 lineup in our 2025 test. Between the two tests, 26 of our testers participated in both years: same humans, same testing protocols, different clubs, one year apart. While admittedly not a perfect comparison, it does give us a rare, paired comparison.
Across the two tests, we’re working with roughly 3,800 shots with TaylorMade drivers and more than 37,000 shots across the full field. Every shot we collect includes face impact data from Foresight GCQuad, telling us exactly where on the face each shot was struck and what the resulting backspin was.
As most golfers know, every driver produces more backspin when you hit it low on the face and less when you hit it high. That’s physics. The question isn’t whether this happens. The question is how much spin variation there is between impact points.
To answer that question, we looked at three metrics.
Spin gradient
A measurement of how many rpm of spin change for every millimeter you move up or down on the face. Think of it as the sensitivity dial. A steep gradient means spin is highly responsive to a vertical miss. A flatter gradient means the club delivers consistent spin regardless of where you catch it. This is the headline number.
Zone-mean spread
We divided each tester’s strike pattern into three zones—low, center, high—and measured the difference in average spin between the highest and lowest zones. It answers the question every golfer actually cares about: how many rpm of spin variation should I expect between a low-face hit and a high-face hit?
R-squared
Regression tests tell us what percentage of a club’s total spin variation is explained by vertical impact location alone. If TaylorMade truly flattened the vertical spin response, this number should drop; vertical strike location should explain less of the overall spin picture.
All three metrics were calculated at the individual tester level first and then aggregated as averages. This approach prevents faster swingers (who naturally generate more spin) from distorting the club-level numbers.
The results
At the risk of spoiling the suspense, TaylorMade’s claim of improved spin consistency holds up. And it’s not subtle.
Across all four Qi4D models, the spin gradient dropped approximately 50 percent compared to their respective Qi35 predecessors. To put a number on it: the Qi35 Standard had a gradient of 37 rpm per millimeter. That means a shot struck 10 millimeters lower than center would spin roughly 370 rpm more than a centered strike. With the Qi4D Standard, that same 10-millimeter miss costs about 196 rpm—nearly half the penalty.
The pattern held across the entire lineup. The Max Lite showed the largest gradient reduction at 52 percent. The Max and LS were close behind. And it wasn’t just the averages improving. The vast majority of individual testers saw the improvement, too. On the Max, 24 of 26 testers had a lower spin gradient on the Qi4D than on the Qi35. That’s not a statistical artifact. That’s a real engineering change showing up in real swings.
The zone-mean spread tells the same story in more practical terms. On the Qi35 Max, the median difference in spin between the low-face zone and the high-face zone was 703 rpm. On the Qi4D Max, that dropped to 404 rpm. That’s roughly 300 rpm of spin variation removed from the equation. Across all four models, the zone spread dropped between 39 and 50 percent.
In 2025, vertical impact location explained about half of the total spin variation on TaylorMade drivers. In 2026, it explains about a quarter. The remaining variation comes from factors like swing speed and horizontal miss, things that are more about the golfer’s swing than about where they happen to catch the face vertically. The Qi4D Max showed the largest R-squared drop: from 0.545 to 0.194, a 64-percent reduction. Vertical strike location went from being the dominant factor in spin variation to a secondary one.
Every one of these improvements was statistically significant.
From bottom of the class to the top
In isolation, you could argue the numbers don’t mean much. To put this in context, you need to know where TaylorMade stood relative to everyone else.
In 2025, the four Qi35 models ranked 22nd, 25th, 26th and 31st out of 37 drivers on spin gradient, in the bottom third of the field. Clubs like the PING G440 MAX and Callaway Elyte Triple Diamond were delivering meaningfully more consistent spin across the face.
By comparison, in this year’s test, the four Qi4D models rank second, third, fourth and sixth out of 42 drivers. Bottom-third to top of class in a single generation. Only the Srixon ZXi Max edges them out at No. 1, just barely.
Is the improvement a happy accident or because an engineering team identified a specific problem and threw resources at solving it?
Probably the latter.
Bringing it home
So what does more consistent spin actually do for you on the course? More consistent spin contributes to more consistent results. That’s the theory. Here’s the data.
Across all models and testers, the Qi4D produced a median distance consistency of 8.8 yards versus 11.4 for the Qi35. In practical terms, the gap between a tester’s longest shots and shortest shots shrank from about 26 yards on the Qi35 to about 20 on the Qi4D. That’s six fewer yards of “what’s it going to do this time?” on every swing.
Three-quarters of testers saw tighter distance dispersion on the Qi4D and carry distance tells the same story. The improvement isn’t just showing up in one metric. It’s consistent across the board, exactly what you’d expect if the underlying cause (more consistent spin) is real.
That’s the kind of improvement you’re likely notice on the course.
Is this an industry-wide improvement?
One more question worth asking: Did the entire industry get better at spin consistency in 2026 or does the data suggest this degree of improvement is specific to TaylorMade?
Using the same 26 overlapping testers, we compared TaylorMade’s year-over-year gradient improvement against the improvement across all other drivers in the test. TaylorMade improved by 16.5 rpm/mm. The rest of the field? 0.3 rpm/mm.
Essentially zero.
This is not the proverbial rising tide lifting all boats. Data from 2026 driver testing suggests a specific, targeted engineering fix that shows up in TaylorMade’s product and nowhere else in our dataset.
I’d be remiss not to point out that if it’s not broken to begin with, there’d be no real need for a fix.
The bottom line
TaylorMade said they fixed the spin consistency problem. The data strongly suggests they did just that. The improvement is large, it’s consistent across all four models, it shows up in the vast majority of individual testers, and it’s statistically significant by every measure we applied. TaylorMade went from the bottom third of the field in spin consistency to the top of it in a single product cycle.
That doesn’t make the Qi4D the best driver for every golfer. Distance, accuracy, other forgiveness metrics, and a dozen other factors still matter. But on the specific question of whether TaylorMade addressed the vertical spin consistency issues that plagued the Qi35, the answer is unambiguous.
They fixed it. And it wasn’t close.
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