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Live · checked today · 3 UK retailers tracked

Callaway B21 Driver vs Callaway BIG Bertha Fusion Driver

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Quick verdict

Checked daily across 3 UK retailers

Price and availability verdict

Callaway B21 Driver is currently £169.95 used, while Callaway BIG Bertha Fusion Driver is currently £109.99 used. Against tracked history, Callaway B21 Driver is at its lowest tracked price and Callaway BIG Bertha Fusion Driver is 7% above its lowest tracked price. Callaway B21 Driver is currently available from 1 UK retailer, versus 3 for Callaway BIG Bertha Fusion Driver.

View B21 Driver details → View BIG Bertha Fusion Driver details →
Lowest price new → BIG Bertha Fusion Closest to its low → B21 Cheapest used → BIG Bertha Fusion Most retailers → BIG Bertha Fusion

Callaway

B21 Driver

£169.95 used

at its low
Buy £169.95 →

at Replay Golf

Callaway

BIG Bertha Fusion Driver

£109.99 used

↑ £10.04 7 days

at its low
Buy £109.99 →

at The Second Hand Golf Shop

Deal intelligence

Should you buy now, or wait?

The Callaway B21 Driver is at its lowest tracked price today. The Callaway BIG Bertha Fusion Driver has more room: its tracked low is £119.95.

Callaway · B21 Driver

—

Not enough data yet

Today £169.95 · typical £199.95 · lowest £169.95

Used from £169.95

Callaway · BIG Bertha Fusion Driver

—

Not enough data yet

Today £127.95 · typical £141.29 · lowest £119.95

On sale 1 time in the last 4 months

Used from £109.99

Head to head

Category leaders, from the data on this page

  • Cheapest new BIG Bertha Fusion £109.99 vs £169.95
  • Closest to its tracked low B21 0% above vs 7%
  • Most retailers in stock BIG Bertha Fusion 3 vs 1
  • Cheapest used BIG Bertha Fusion from £109.99 vs £169.95

Where to buy

3 UK retailers, checked daily

Retailer B21 Driver BIG Bertha Fusion Dri…
Replay Golf £169.95 used £127.95 used
The Second Hand Golf Shop — £109.99 used
Golf Clubs 4 Cash — £129.99 used
cheapest · prices checked daily · — not seen at that retailer

Price trajectory

How each has moved since we started tracking

Callaway B21 Driver Callaway BIG Bertha Fusion Driver

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 · B21 Driver

↓ £30

since 9 April 2026

Lowest £169.95 on 18 August 2026

Callaway · BIG Bertha Fusion Driver

↓ £29.04

since 9 April 2026

Lowest £119.95 on 7 August 2026

New vs used

From used listings we track

Callaway · B21 Driver

NEW £169.95

USED FROM £169.95

Callaway · BIG Bertha Fusion Driver

NEW £109.99

USED FROM £109.99

Availability by build

Which configurations are in stock right now

Build Callaway B21 Driver Callaway BIG Bertha Fusion Driver
Regular · 10.5° · Used — 2 retailers · from £109.99 at The Second Hand Golf Shop →
Regular · 9° · Left-hand · Used 1 retailer · from £169.95 at Replay Golf → —
Stiff · 10.5° · Left-hand · Used — 1 retailer · from £129.99 at Golf Clubs 4 Cash →
new in stock used only — not seen at tracked retailers

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Frequently Asked

Common questions about the Callaway B21 Driver vs Callaway BIG Bertha Fusion 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.