The Qi4D is TaylorMade's most complete driver with top-tier consistency and adjustability, but the Qi10 provides nearly identical distance and ball speed at roughly a third of the cost on the used market.
Their scorecard
Forgiveness: 5/5 — Maintains spin well on toe/low hits
Looks at address: 5/5 — Infinity carbon crown & clean head shape
What they rate
Qi4D offers outstanding spin control and roll radius tech on miss-hits
4-way adjustable weight system in Qi4D allows fine-tuned dispersion
Qi10 represents exceptional second-hand market value for fast ball speeds
What they don’t
Qi4D comes with a premium full-retail price tag
Peak total distance gap between the two models is minimal (under 5 yards)
The Qi4D is TaylorMade's most complete driver with top-tier consistency and adjustability, but the Qi10 provides nearly identical distance and ball speed at roughly a third of the cost on the used market.
Qi4D offers outstanding spin control and roll radius tech on miss-hits
4-way adjustable weight system in Qi4D allows fine-tuned dispersion