2021 [1]: Titleist launches the TSi4, built around a compact 430cc low-spin head with forward weighting. 2026: the Titleist GTS4 is on shop shelves. This page puts the two side by side and gives a straight verdict on whether the old club still earns a place in your bag.
The TSi4 in 2021: what it was
The TSi4 was built around a compact 430cc low-spin head with forward weighting. It was aimed at better players who wanted a lower, more penetrating flight. At 430cc, the head is smaller than the 460cc maximum most drivers use now.
Is the TSi4 worth buying in 2026? A strong used buy
It is recent enough that the face and shaping are close to current models, and it is fully adjustable. For most club golfers, a well-kept TSi4 at a used price is better value than paying full price for the Titleist GTS4.
What Titleist changed after the TSi4
The models below are the Titleist drivers we cover that came after the TSi4. Each one is a step you skip by buying the old club.
| Year | Model | Main change | Prices |
|---|---|---|---|
| 2022 | Titleist TSR3 | SureFit CG track for draw or fade bias | Check Price |
| 2022 | Titleist TSR4 | A 430cc low-spin head | Check Price |
| 2023 | Titleist TSR1 | A lightweight build for moderate swing speeds | Check Price |
| 2026 | Titleist GTS4 | Current model | Check Price |
Then vs now: TSi4 vs Titleist GTS4
| Spec | Titleist TSi4 | Titleist GTS4 |
|---|---|---|
| Release year | 2021 [1] | 2026 [2] |
| Head size | 430cc | 460cc |
| Adjustable hosel | Yes | Yes (SureFit) |
| Weighting | — | Low-spin weighting |
| Lofts | Adjustable via sleeve | 8°, 9°, 10° |
| Launch price (new) | — | $699 ($899 premium shaft) |
| Price | Check Price | Check Price |
We list only specs we could tie to a source. A dash means we could not confirm the figure. We do not have our own launch-monitor numbers for either club.
Who should still buy one?
- Buy it if you already hit a low ball flight with enough speed, and you like a compact look.
- Skip it if you can stretch to a recent used model (the last three or four years) — the forgiveness gap is bigger than the price gap.
Check current listings on Amazon
Buying a used TSi4: checklist
- Sleeve and wrench: make sure the adapter comes with it and that it fits the Titleist system you have. Ask the seller which setting it is in.
- Face: look for cracks, dents or a caved-in look at the centre. A cracked face can't be repaired.
- Crown: sky marks and paint chips are cosmetic; dents are not.
- Shaft and grip: check the flex label. A worn grip costs little to replace; a shaft that is too stiff costs you carry.
- Price check: we could not verify current used prices, so compare recent sold listings before you buy (eBay sold listings).
FAQ
When did the Titleist TSi4 come out?
2021.
Is the Titleist TSi4 still a good driver?
A strong used buy. It is recent enough that the face and shaping are close to current models, and it is fully adjustable. For most club golfers, a well-kept TSi4 at a used price is better value than paying full price for the Titleist GTS4.
Is the TSi4 adjustable?
Yes, it has an adjustable hosel.
What replaced the TSi4?
Titleist's current equivalent is the Titleist GTS4 (2026). Launch price: $699 ($899 premium shaft).
Sources
- Titleist UK — Previous driver models (official release years)
- Titleist Newsroom — Titleist Introduces NEW GTS Drivers (13 May 2026)