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Live · checked today · 6 UK retailers tracked
Callaway Quantum MAX OS Iron Set vs Callaway X18 Iron Set
Quick verdict
Checked daily across 6 UK retailers
Price and availability verdict
Callaway Quantum MAX OS Iron Set is currently £558.99 used, while Callaway X18 Iron Set is currently £127.99 used. Deal scores are Callaway Quantum MAX OS Iron Set 58/100; against tracked history, Callaway Quantum MAX OS Iron Set is 399% above its lowest tracked price and Callaway X18 Iron Set is at its lowest tracked price. Callaway Quantum MAX OS Iron Set is currently available from 6 UK retailers, versus 1 for Callaway X18 Iron Set.
Callaway
Callaway Quantum MAX OS Iron Set
from £558.99
at Golf Clubs 4 Cash · 6 retailers
Lowest £559 · lowest price we’ve seen
Callaway
Callaway X18 Iron Set
from £127.99
at Golf Clubs 4 Cash · 1 retailer
Lowest £128 · lowest price we’ve seen
Discount vs RRP
Price vs usual
Where to buy
Callaway Quantum MAX OS Iron Set
Where to buy
Callaway X18 Iron Set
Deal intelligence
Should you buy now, or wait?
Callaway · Quantum MAX OS Iron Set
Fair price today
Today £749 · usual £749 · lowest £150
On sale 1 time in the last 5 months
Callaway · X18 Iron Set
Not enough data yet
Head to head
Category leaders, from the data on this page
- Cheapest new X18 £127.99 vs £749
- Most retailers in stock Quantum MAX OS 6 vs 1
- Cheapest used X18 from £127.99 vs £558.99
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 · Quantum MAX OS Iron Set
↓ £151
since 13 February 2026
Lowest £150 on 4 March 2026
New vs used
From used listings we track
Callaway · Quantum MAX OS Iron Set
NEW £749
USED FROM £558.99
Used prices average 91% of new · 3 used listings tracked
Callaway · X18 Iron Set
NEW £127.99
USED FROM £127.99
Availability by build
Which configurations are in stock right now
| Build | Callaway Quantum MAX OS Iron Set | Callaway X18 Iron Set |
|---|---|---|
| Regular | 5 retailers · from £749 at Golf Gear Direct → | — |
| Stiff | 3 retailers · from £899 at Affordable Golf → | — |
| Regular · Left-hand | 2 retailers · from £899 at Affordable Golf → | — |
| Stiff · Left-hand | 2 retailers · from £899 at Affordable Golf → | — |
| Stiff · Used | 1 retailer · from £786.99 at Golf Clubs 4 Cash → | — |
| Senior · Left-hand | 1 retailer · from £900 at Jam Golf → | — |
| Left-hand | 1 retailer · from £899 at Affordable Golf → | — |
| Standard | 1 retailer · from £899 at Affordable Golf → | — |
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Common questions about the Callaway Quantum MAX OS Iron Set vs Callaway X18 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.