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Live · checked today · 17 UK retailers tracked
Callaway BIG Bertha B21 Hybrid vs Callaway Quantum MAX OS Hybrid
Quick verdict
Checked daily across 17 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Hybrid is currently £88.99 used, while Callaway Quantum MAX OS Hybrid is currently £179.99 used. Deal scores are Callaway Quantum MAX OS Hybrid 100/100; against tracked history, Callaway BIG Bertha B21 Hybrid is 18% above its lowest tracked price and Callaway Quantum MAX OS Hybrid is at its lowest tracked price. Callaway BIG Bertha B21 Hybrid is currently available from 3 UK retailers, versus 16 for Callaway Quantum MAX OS Hybrid.
Callaway
BIG Bertha B21 Hybrid
£88.99 used No change 5% below usual Buy £88.99 → at Golf Clubs 4 CashCallaway
Quantum MAX OS Hybrid
£269 used from £179.99 No change at its low Buy £269 → at Affordable GolfDeal intelligence
Should you buy now, or wait?
The Callaway Quantum MAX OS Hybrid is at its lowest tracked price today. The Callaway BIG Bertha B21 Hybrid has more room: its tracked low is £84.95.
Callaway · BIG Bertha B21 Hybrid
Not enough data yet
Today £99.95 · usual £89.95 · lowest £84.95
On sale 1 time in the last 3 months
Callaway · Quantum MAX OS Hybrid
Excellent deal today
Today £198.99 · usual £269 · lowest £198.99
On sale 1 time in the last 5 months
Head to head
Category leaders, from the data on this page
- Cheapest new BIG Bertha B21 £88.99 vs £198.99
- Closest to its tracked low Quantum MAX OS 0% above vs 18%
- Most retailers in stock Quantum MAX OS 16 vs 3
- Cheapest used BIG Bertha B21 from £88.99 vs £179.99
Specification differences
Published product specifications
| Specification | Callaway BIG Bertha B21 Hybrid | Callaway Quantum MAX OS Hybrid |
|---|---|---|
| Release year | 2021 | 2020 |
Where to buy
17 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
↓ £59.05
since 23 February 2026
Lowest £84.95 on 18 August 2026
Callaway · Quantum MAX OS Hybrid
↓ £70.01
since 13 February 2026
Lowest £198.99 on 2 September 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Hybrid
NEW £88.99
USED FROM £88.99
Callaway · Quantum MAX OS Hybrid
NEW £198.99
USED FROM £179.99
Used prices average 102% of new · 11 used listings tracked
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Hybrid | Callaway Quantum MAX OS Hybrid |
|---|---|---|
| Regular | — | 7 retailers · from £269 at Affordable Golf → |
| Stiff | — | 4 retailers · from £269 at Snainton Golf → |
| Regular · 20° | — | 4 retailers · from £208.99 at Golf Clubs 4 Cash → |
| Regular · 23° | — | 3 retailers · from £208.99 at Golf Clubs 4 Cash → |
| Senior | — | 3 retailers · from £269 at Snainton Golf → |
| Regular · 21° · Used | 2 retailers · from £88.99 at Golf Clubs 4 Cash → | — |
| Regular · 19° | — | 2 retailers · from £269 at Click Golf → |
| Regular · 23° · Used | — | 2 retailers · from £189.99 at Golf Clubs 4 Cash → |
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Common questions about the Callaway BIG Bertha B21 Hybrid vs Callaway Quantum MAX OS 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.