Compare / hybrid
Live · checked today · 3 UK retailers tracked
Callaway BIG Bertha B21 Hybrid vs Fazer XR4 Hybrid
Quick verdict
Checked daily across 3 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Hybrid is currently £84.95 used, while Fazer XR4 Hybrid is currently £59. Against tracked history, Callaway BIG Bertha B21 Hybrid is at its lowest tracked price and Fazer XR4 Hybrid is at its lowest tracked price. Callaway BIG Bertha B21 Hybrid is currently available from 2 UK retailers, versus 1 for Fazer XR4 Hybrid.
Deal intelligence
Should you buy now, or wait?
Both are at their lowest tracked prices today.
Callaway · BIG Bertha B21 Hybrid
Not enough data yet
Today £84.95 · typical £97.45 · lowest £84.95
On sale 1 time in the last 3 months
Fazer · XR4 Hybrid
Not enough data yet
Today £59 · typical £59 · lowest £59
Head to head
Category leaders, from the data on this page
- Cheapest new XR4 £59 vs £84.95
- Most retailers in stock BIG Bertha B21 2 vs 1
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 · BIG Bertha B21 Hybrid
↓ £35
since 13 April 2026
Lowest £84.95 on 18 August 2026
Fazer · XR4 Hybrid
No change
since 14 February 2026
Lowest £59 on 14 February 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Hybrid
NEW £84.95
USED FROM £84.95
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Hybrid | Fazer XR4 Hybrid |
|---|---|---|
| Regular · 19° · Left-hand · Used | 1 retailer · from £84.95 at Replay Golf → | — |
| Regular · 21° · Used | 1 retailer · from £89.99 at Nearly New Golf Clubs → | — |
| Regular · 21° | — | 1 retailer · from £59 at American Golf → |
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Common questions about the Callaway BIG Bertha B21 Hybrid vs Fazer XR4 Hybrid
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.