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Live · checked today · 5 UK retailers tracked
Callaway Great BIG Bertha II + Driver vs Mizuno ST-G 440 Driver
Quick verdict
Checked daily across 5 UK retailers
Price and availability verdict
Callaway Great BIG Bertha II + Driver is currently £26.99 used, while Mizuno ST-G 440 Driver is currently £169.95 used. Against tracked history, Callaway Great BIG Bertha II + Driver is at its lowest tracked price and Mizuno ST-G 440 Driver is 19% above its lowest tracked price. Callaway Great BIG Bertha II + Driver is currently available from 2 UK retailers, versus 3 for Mizuno ST-G 440 Driver.
Callaway
Great BIG Bertha II + Driver
£26.99 used No change around usual Buy £26.99 → at UK Used Golf ClubsDeal intelligence
Should you buy now, or wait?
The Callaway Great BIG Bertha II + Driver is at its lowest tracked price today. The Mizuno ST-G 440 Driver has more room: its tracked low is £199.95.
Callaway · Great BIG Bertha II + Driver
Not enough data yet
Today £19.95 · typical £19.95 · lowest £19.95
Mizuno · ST-G 440 Driver
Not enough data yet
Today £237.95 · typical £279.95 · lowest £199.95
On sale 2 times in the last 3 months
Head to head
Category leaders, from the data on this page
- Cheapest new Great BIG Bertha II + £26.99 vs £237.95
- Closest to its tracked low Great BIG Bertha II + 0% above vs 19%
- Most retailers in stock ST-G 440 3 vs 2
- Cheapest used Great BIG Bertha II + from £26.99 vs £169.95
Where to buy
5 UK retailers, checked daily
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Callaway · Great BIG Bertha II + Driver
No change
since 16 April 2026
Lowest £19.95 on 16 April 2026
Mizuno · ST-G 440 Driver
↑ £11
since 9 April 2026
Lowest £199.95 on 24 July 2026
New vs used
From used listings we track
Callaway · Great BIG Bertha II + Driver
NEW £26.99
USED FROM £26.99
Mizuno · ST-G 440 Driver
NEW £237.95
USED FROM £169.95
Used prices average 92% of new · 3 used listings tracked
Availability by build
Which configurations are in stock right now
| Build | Callaway Great BIG Bertha II + Driver | Mizuno ST-G 440 Driver |
|---|---|---|
| Regular · 11° · Used | 2 retailers · from £26.99 at UK Used Golf Clubs → | — |
| Extra Stiff · 9.5° · Used | — | 2 retailers · from £169.95 at Replay Golf → |
| Firm · 9° · Used | 1 retailer · from £34.99 at UK Used Golf Clubs → | — |
| Regular · 10° · Used | 1 retailer · from £34.99 at UK Used Golf Clubs → | — |
| Stiff · 9° · Used | 1 retailer · from £35.99 at UK Used Golf Clubs → | — |
| Stiff · 10° · Used | 1 retailer · from £32.99 at UK Used Golf Clubs → | — |
| Stiff · 9.5° | — | 1 retailer · from £237.95 at Replay Golf → |
| Stiff · 9.5° · Used | — | 1 retailer · from £239.99 at Mega Golf → |
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Common questions about the Callaway Great BIG Bertha II + Driver vs Mizuno ST-G 440 Driver
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.