Compare / driver
Live · checked today · 3 UK retailers tracked
Callaway GBB Epic SUB Zero Driver vs Mizuno ST-G 440 Driver
Quick verdict
Checked daily across 3 UK retailers
Price and availability verdict
Callaway GBB Epic SUB Zero Driver is currently £139.99 used, while Mizuno ST-G 440 Driver is currently £199.95 used. Against tracked history, Callaway GBB Epic SUB Zero Driver is 65% above its lowest tracked price and Mizuno ST-G 440 Driver is 40% above its lowest tracked price. Callaway GBB Epic SUB Zero Driver is currently available from 2 UK retailers, versus 3 for Mizuno ST-G 440 Driver.
Callaway
GBB Epic SUB Zero Driver
£139.99 used No change 7% below usual Buy £139.99 → at Nearly New Golf ClubsCallaway
GBB Epic SUB Zero Driver
£139.99 used
at Nearly New Golf Clubs
Deal intelligence
Should you buy now, or wait?
Neither is at its low today. The Mizuno ST-G 440 Driver is closest, within 40% of its lowest tracked price. The Callaway GBB Epic SUB Zero Driver has more room: its tracked low is £99.95.
Callaway · GBB Epic SUB Zero Driver
Not enough data yet
Today £164.95 · typical £142.99 · lowest £99.95
On sale 2 times in the last 3 months
Mizuno · ST-G 440 Driver
Not enough data yet
Today £279.95 · 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 GBB Epic SUB Zero £139.99 vs £279.95
- Closest to its tracked low ST-G 440 40% above vs 65%
- Most retailers in stock ST-G 440 3 vs 2
- Cheapest used GBB Epic SUB Zero from £139.99 vs £199.95
Where to buy
3 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 · GBB Epic SUB Zero Driver
↑ £14.96
since 9 April 2026
Lowest £99.95 on 13 June 2026
Mizuno · ST-G 440 Driver
↑ £53
since 9 April 2026
Lowest £199.95 on 24 July 2026
New vs used
From used listings we track
Callaway · GBB Epic SUB Zero Driver
NEW £139.99
USED FROM £139.99
Mizuno · ST-G 440 Driver
NEW £279.95
USED FROM £199.95
Used prices average 82% of new · 3 used listings tracked
Availability by build
Which configurations are in stock right now
| Build | Callaway GBB Epic SUB Zero Driver | Mizuno ST-G 440 Driver |
|---|---|---|
| Stiff · 10.5° · Used | 2 retailers · from £139.99 at Nearly New Golf Clubs → | — |
| Extra Stiff · 9.5° · Used | — | 2 retailers · from £199.95 at Replay Golf → |
| Stiff · 9.5° | — | 1 retailer · from £279.95 at Replay Golf → |
| Stiff · 9.5° · Used | — | 1 retailer · from £239.99 at Mega Golf → |
Waiting for a better price?
Set a free alert and we’ll email you when either drops to your target.
Related driver comparisons
More head-to-head price checks
Common questions about the Callaway GBB Epic SUB Zero 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.