canonical product
Titleist TSi4 2021
Driver
- 58
- live listings · 5 retailers
- $120–$495
- asking range
- $208
- fair, all conditions · 57 comps
- ~$180 · 21d
- clears at · 22 organic delists (180d) · delisted ≠ sold
buy now or wait?BUY
The value curve is flat — waiting buys you almost nothing.
≈ $0/mo depreciation (model)waiting 3 months ≈ $0 cheaper (model)clears ≈ $180 (measured · delisted ≠ sold)
forecast: product evidence · verdict recomputed nightly
The verdict
each line cites its basis- Buy window: the cheapest live copy sits $88 under the all-condition fair bar. — fair $208 · 57 comps
- Sellers ask ~$27 over what actually clears — offers near $180 are market-typical. — 22 organic delists, 180d · delisted ≠ sold
What it has been selling for
monthly medians since 2026-01Value over time
value model, curve fit on this product · 345 obs- $162–$290
- typically sells for
- −2%/yr
- value trend
- 90%
- held over 3 yrs
median model value by product age, 80% band — about 1 in 5 sales lands outside it · rebuilt nightly
Fair price by condition
- Average46 comps
- $214
- Below Average7 comps
- $160
Same band, for less
measured compsThe same club type, priced materially lower at fair — each fair on 5+ comps, each buyable today. Ranked by what you save, weighted by how well-measured the saving is. Nothing here is paid placement; there is none on this site.
Callaway Edge 2018
fair $110 · 17 comps17 live from $87
PXG 0811 GEN4 X 2021
fair $143 · 57 comps60 live from $104
Mizuno ST 230 MAX 2024
fair $165 · 306 comps381 live from $90
Mizuno ST Z 2021
fair $140 · 29 comps30 live from $112
PXG 0811 Gen2 X 2018
fair $130 · 18 comps19 live from $83
Live listings
cheapest first · 58 liveTitleist TSi4 Driver 9° Project X HZRDUS Smoke Red RDX 60 Graphite Regular Right Handed 45.75in
Below AverageRegular2nd Swing
Titleist TSi4 Driver 9° Accra FX-250 Graphite Stiff Left Handed 44.5in
Below AverageStiffLH2nd Swing
Titleist TSi4 Driver 9° Project X HZRDUS Smoke Yellow 60 Graphite X-Stiff Right Handed 45.5in
Below AverageExtra Stiff2nd Swing
Titleist TSi4 Driver 9° Project X HZRDUS Smoke Black RDX 60 Graphite Stiff Right Handed 44.5in
Below AverageStiff2nd Swing
Titleist TSi4 Driver 10° Mitsubishi Tensei AV Blue Raw 65 Graphite X-Stiff Right Handed 45.5in
Below AverageExtra Stiff2nd Swing
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver 9° Graphite Design Tour AD GP-5 Teal Graphite Senior Right Handed 45.0in
AverageSenior2nd Swing
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
AverageStiffGolf Avenue
Titleist TSi4 Driver
Above AverageStiffGolf Avenue
Titleist TSi4 Driver 9° Project X 5.5 Graphite Graphite Regular Right Handed 43.5in
AverageRegular2nd Swing
Titleist TSi4 Driver
Above AverageStiffGolf Avenue
Titleist TSi4 Driver 9° Mitsubishi Tensei 1K Red RIP 55 Graphite Regular Right Handed 45.75in
AverageRegular2nd Swing
Titleist TSi4 Driver 9° Aldila Tour Green 65 Graphite Regular Right Handed 45.75in
AverageRegular2nd Swing
Titleist TSi4 Driver 8° Project X HZRDUS Black Gen4 60 Graphite X-Stiff Right Handed 45.5in
AverageExtra Stiff2nd Swing
Titleist TSi4 Driver 9° Mitsubishi Tensei AV Blue Raw 55 Graphite Stiff Right Handed 45.25in
AverageStiff2nd Swing
Titleist TSi4 Driver 9° Mitsubishi Tensei AV White Raw 65 Graphite Stiff Right Handed 45.75in
AverageStiff2nd Swing
Titleist TSi4 Driver 10° Grafalloy ProLite Graphite Stiff Right Handed 45.5in
AverageStiff2nd Swing
Titleist TSi4 Driver
AverageStiffGlobalGolf
Titleist TSi4 Driver
Below AverageExtra StiffGolf Avenue