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Live · checked today · 6 UK retailers tracked
Callaway BIG Bertha B21 Iron Set vs Callaway Quantum MAX Iron Set
Quick verdict
Checked daily across 6 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Iron Set is currently £449.99 used, while Callaway Quantum MAX Iron Set is currently £620.95 used. Deal scores are Callaway Quantum MAX Iron Set 51/100; against tracked history, Callaway BIG Bertha B21 Iron Set is 14% above its lowest tracked price and Callaway Quantum MAX Iron Set is 399% above its lowest tracked price. Callaway BIG Bertha B21 Iron Set is currently available from 1 UK retailer, versus 6 for Callaway Quantum MAX Iron Set.
Callaway
BIG Bertha B21 Iron Set
£449.99 used No change at its low Buy £449.99 → at Nearly New Golf ClubsCallaway
Quantum MAX Iron Set
£749 used from £620.95 No change at its low Buy £749 → at Golf Gear DirectDeal intelligence
Should you buy now, or wait?
Neither is at its low today. The Callaway BIG Bertha B21 Iron Set is closest, within 14% of its lowest tracked price. The Callaway Quantum MAX Iron Set has more room: its tracked low is £150.
Callaway · BIG Bertha B21 Iron Set
Not enough data yet
Today £909 · typical £909 · lowest £799
On sale 1 time in the last 3 months
Callaway · Quantum MAX Iron Set
Fair price today
Today £749 · typical £749 · lowest £150
On sale 2 times in the last 5 months
Head to head
Category leaders, from the data on this page
- Cheapest new BIG Bertha B21 £449.99 vs £749
- Closest to its tracked low BIG Bertha B21 14% above vs 399%
- Most retailers in stock Quantum MAX 6 vs 1
- Cheapest used BIG Bertha B21 from £449.99 vs £620.95
Where to buy
6 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 Iron Set
No change
since 13 February 2026
Lowest £799 on 16 March 2026
Callaway · Quantum MAX Iron Set
↓ £150
since 21 February 2026
Lowest £150 on 24 February 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Iron Set
NEW £449.99
USED FROM £449.99
Callaway · Quantum MAX Iron Set
NEW £749
USED FROM £620.95
Used prices average 105% of new · 3 used listings tracked
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Iron Set | Callaway Quantum MAX Iron Set |
|---|---|---|
| Regular | — | 5 retailers · from £749 at Golf Gear Direct → |
| Stiff · Used | — | 2 retailers · from £620.95 at Replay Golf → |
| Stiff · Left-hand | — | 2 retailers · from £899 at Affordable Golf → |
| Stiff | — | 2 retailers · from £750 at Jam Golf → |
| Regular · Left-hand | — | 2 retailers · from £899 at Affordable Golf → |
| Regular · Left-hand · Used | 1 retailer · from £449.99 at Nearly New Golf Clubs → | — |
| Senior · Left-hand | — | 1 retailer · from £900 at Jam Golf → |
| Senior | — | 1 retailer · from £900 at Jam Golf → |
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Common questions about the Callaway BIG Bertha B21 Iron Set vs Callaway Quantum MAX Iron Set
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.