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Live · checked today · 5 UK retailers tracked
Callaway Epic Speed Driver vs Mizuno ST-G Driver — Generation Unknown
Quick verdict
Checked daily across 5 UK retailers
Price and availability verdict
Callaway Epic Speed Driver is currently £149.99 used, while Mizuno ST-G Driver — Generation Unknown is currently £179.95 used. against tracked history, Callaway Epic Speed Driver is 77% above its lowest tracked price and Mizuno ST-G Driver — Generation Unknown is 6% above its lowest tracked price. Callaway Epic Speed Driver is currently available from 3 UK retailers, versus 4 for Mizuno ST-G Driver — Generation Unknown.
Callaway
Epic Speed Driver
£149.99 used ↑ £5 24% below usual Buy £149.99 → at The Second Hand Golf ShopMizuno
ST-G Driver — Generation Unknown
£179.95 used ↓ £35 38% below usual Buy £179.95 → at Affordable GolfCallaway
Epic Speed Driver
£149.99 used
↑ £5 7 days
24% below usualat The Second Hand Golf Shop
Mizuno
ST-G Driver — Generation Unknown
£179.95 used
↓ £35 7 days
38% below usualat Affordable Golf
Deal intelligence
Should you buy now, or wait?
Neither is at its low today. The Mizuno ST-G Driver — Generation Unknown is closest, within 6% 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 £164.95 · typical £159.95 · lowest £92.99
On sale 1 time in the last 5 months
Mizuno · ST-G Driver — Generation Unknown
Not enough data yet
Today £179.95 · typical £214.95 · lowest £169.95
On sale 2 times in the last 3 months
Head to head
Category leaders, from the data on this page
- Cheapest new Epic Speed £149.99 vs £179.95
- Closest to its tracked low ST-G Driver — Generation Unknown 6% above vs 77%
- Most retailers in stock ST-G Driver — Generation Unknown 4 vs 3
- Cheapest used Epic Speed from £149.99 vs £179.95
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 · Epic Speed Driver
↓ £135
since 13 February 2026
Lowest £92.99 on 16 March 2026
Mizuno · ST-G Driver — Generation Unknown
↓ £39.05
since 9 April 2026
Lowest £169.95 on 15 April 2026
New vs used
From used listings we track
Callaway · Epic Speed Driver
NEW £149.99
USED FROM £149.99
Mizuno · ST-G Driver — Generation Unknown
NEW £179.95
USED FROM £179.95
Availability by build
Which configurations are in stock right now
| Build | Callaway Epic Speed Driver | Mizuno ST-G Driver — Generation Unknown |
|---|---|---|
| Stiff · 9.5° · Used | — | 3 retailers · from £179.99 at Nearly New Golf Clubs → |
| Regular · 10.5° · Used | 2 retailers · from £149.99 at The Second Hand Golf Shop → | — |
| Extra Stiff · 9° · Used | 2 retailers · from £164.95 at Replay Golf → | 1 retailer · from £179.95 at Affordable Golf → |
| Stiff · 9° · Used | 2 retailers · from £169.99 at Nearly New Golf Clubs → | — |
| Regular · 9.5° · Used | — | 2 retailers · from £214.95 at Affordable Golf → |
| Stiff · 10.5° · Left-hand · Used | 1 retailer · from £176.95 at Replay Golf → | — |
| Stiff · 10.5° · Used | 1 retailer · from £229.95 at Replay Golf → | — |
| Extra Stiff · 10.5° · Used | 1 retailer · from £249.95 at Replay Golf → | — |
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Common questions about the Callaway Epic Speed Driver vs Mizuno ST-G Driver — Generation Unknown
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.