Compare / driver
Live · checked today · 3 UK retailers tracked
Callaway Epic Speed Driver vs Mizuno ST-G Driver
Quick verdict
Checked daily across 3 UK retailers
Price and availability verdict
Callaway Epic Speed Driver is currently £140.95 used, while Mizuno ST-G Driver is currently £229. Deal scores are Mizuno ST-G Driver 26/100; against tracked history, Callaway Epic Speed Driver is 52% above its lowest tracked price and Mizuno ST-G Driver is 35% above its lowest tracked price. Both are currently available from 2 UK retailers.
Deal intelligence
Should you buy now, or wait?
Neither is at its low today. The Mizuno ST-G Driver is closest, within 35% of its lowest tracked price. The Callaway Epic Speed Driver has more room: its tracked low is £92.99.
Callaway · Epic Speed Driver
Not enough data yet
Today £140.95 · typical £159.95 · lowest £92.99
On sale 2 times in the last 5 months
Mizuno · ST-G Driver
High vs its history
Today £229 · typical £219 · lowest £169.95
On sale 2 times in the last 5 months
Head to head
Category leaders, from the data on this page
- Cheapest new Epic Speed £140.95 vs £229
- Closest to its tracked low ST-G 35% above vs 52%
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 · Epic Speed Driver
↓ £159
since 13 February 2026
Lowest £92.99 on 16 March 2026
Mizuno · ST-G Driver
↓ £100
since 13 February 2026
Lowest £169.95 on 15 April 2026
New vs used
From used listings we track
Callaway · Epic Speed Driver
NEW £140.95
USED FROM £140.95
Availability by build
Which configurations are in stock right now
| Build | Callaway Epic Speed Driver | Mizuno ST-G Driver |
|---|---|---|
| Extra Stiff · 9° · Used | 2 retailers · from £140.95 at Replay Golf → | — |
| Stiff · 9° · Used | 2 retailers · from £159.95 at Replay Golf → | — |
| Regular · 9° · Left-hand · Used | 1 retailer · from £149.99 at Nearly New Golf Clubs → | — |
| Stiff · 10.5° · Left-hand · Used | 1 retailer · from £150.95 at Replay Golf → | — |
| Stiff · 10.5° · Used | 1 retailer · from £195.95 at Replay Golf → | — |
| Regular · 10.5° · Used | 1 retailer · from £159.99 at Nearly New Golf Clubs → | — |
| Extra Stiff · 10.5° · Used | 1 retailer · from £212.95 at Replay Golf → | — |
| Senior · 9.5° | — | 1 retailer · from £229 at Affordable 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 Epic Speed Driver vs Mizuno ST-G 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.