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Live · checked today · 12 UK retailers tracked
Callaway Great BIG Bertha Driver — Generation Unknown vs Cobra Rad-S Driver
Quick verdict
Checked daily across 12 UK retailers
Price and availability verdict
Callaway Great BIG Bertha Driver — Generation Unknown is currently £24.95 used, while Cobra Rad-S Driver is currently £219.99 used. Deal scores are Cobra Rad-S Driver 48/100; against tracked history, Callaway Great BIG Bertha Driver — Generation Unknown is at its lowest tracked price and Cobra Rad-S Driver is 5% above its lowest tracked price. Callaway Great BIG Bertha Driver — Generation Unknown is currently available from 2 UK retailers, versus 11 for Cobra Rad-S Driver.
Callaway
Great BIG Bertha Driver — Generation Unknown
£24.95 used ↓ £107.97 at its low Buy £24.95 → at Affordable GolfCallaway
Great BIG Bertha Driver — Generation Unknown
£24.95 used
↓ £107.97 7 days
at its lowat Affordable Golf
Deal intelligence
Should you buy now, or wait?
The Callaway Great BIG Bertha Driver — Generation Unknown is at its lowest tracked price today. The Cobra Rad-S Driver has more room: its tracked low is £237.
Callaway · Great BIG Bertha Driver — Generation Unknown
Not enough data yet
Today £24.95 · typical £119.95 · lowest £24.95
Cobra · Rad-S Driver
Fair price today
Today £249 · typical £249 · lowest £237
Head to head
Category leaders, from the data on this page
- Cheapest new Great BIG Bertha Driver — Generation Unknown £24.95 vs £249
- Closest to its tracked low Great BIG Bertha Driver — Generation Unknown 0% above vs 5%
- Most retailers in stock Rad-S 11 vs 2
- Cheapest used Great BIG Bertha Driver — Generation Unknown from £24.95 vs £219.99
Where to buy
12 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 Driver — Generation Unknown
↓ £94.04
since 9 April 2026
Lowest £24.95 on 30 July 2026
Cobra · Rad-S Driver
No change
since 31 March 2026
Lowest £237 on 11 July 2026
New vs used
From used listings we track
Callaway · Great BIG Bertha Driver — Generation Unknown
NEW £24.95
USED FROM £24.95
Cobra · Rad-S Driver
NEW £249
USED FROM £219.99
Used prices average 88% of new · 1 used listing tracked
Availability by build
Which configurations are in stock right now
| Build | Callaway Great BIG Bertha Driver — Generation Unknown | Cobra Rad-S Driver |
|---|---|---|
| Stiff · 10.5° | — | 8 retailers · from £249 at Hot Golf → |
| Regular · 10.5° | — | 6 retailers · from £249 at Jam Golf → |
| 10.5° | — | 2 retailers · from £249 at Discount Golf Store → |
| Stiff · 9° · Used | 1 retailer · from £109.99 at UK Used Golf Clubs → | — |
| Uniflex · 9° · Used | 1 retailer · from £24.95 at Affordable Golf → | — |
| Stiff · 10.5° · Used | — | 1 retailer · from £219.99 at Nearly New Golf Clubs → |
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Common questions about the Callaway Great BIG Bertha Driver — Generation Unknown vs Cobra Rad-S 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.