Compare / hybrid
Live · checked today · 3 UK retailers tracked
Callaway BIG Bertha OS Hybrid vs PowerBilt Grand Slam Hybrid
Quick verdict
Checked daily across 3 UK retailers
Price and availability verdict
Callaway BIG Bertha OS Hybrid is currently £74.99 used, while PowerBilt Grand Slam Hybrid is currently £32.99 used. Against tracked history, Callaway BIG Bertha OS Hybrid is at its lowest tracked price and PowerBilt Grand Slam Hybrid is at its lowest tracked price. Callaway BIG Bertha OS Hybrid is currently available from 2 UK retailers, versus 1 for PowerBilt Grand Slam Hybrid.
Callaway
Callaway BIG Bertha OS Hybrid
from £74.99
at The Second Hand Golf Shop · 2 retailers
Lowest £75 · lowest price we’ve seen
Discount vs RRP
Price vs usual
Where to buy
Callaway BIG Bertha OS Hybrid
Where to buy
PowerBilt Grand Slam Hybrid
Deal intelligence
Should you buy now, or wait?
Callaway · BIG Bertha OS Hybrid
Not enough data yet
Today £78.95 · typical £99.95 · lowest £78.95
On sale 1 time in the last 3 months
PowerBilt · Grand Slam Hybrid
Not enough data yet
Head to head
Category leaders, from the data on this page
- Cheapest new Grand Slam £32.99 vs £74.99
- Most retailers in stock BIG Bertha OS 2 vs 1
- Cheapest used Grand Slam from £32.99 vs £74.99
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 · BIG Bertha OS Hybrid
↓ £21
since 9 April 2026
Lowest £78.95 on 28 July 2026
New vs used
From used listings we track
Callaway · BIG Bertha OS Hybrid
NEW £74.99
USED FROM £74.99
PowerBilt · Grand Slam Hybrid
NEW £32.99
USED FROM £32.99
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha OS Hybrid | PowerBilt Grand Slam Hybrid |
|---|---|---|
| Regular · 25° · Used | 1 retailer · from £74.99 at The Second Hand Golf Shop → | 1 retailer · from £32.99 at UK Used Golf Clubs → |
| Stiff · 19° · Left-hand · Used | 1 retailer · from £78.95 at Replay Golf → | — |
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Common questions about the Callaway BIG Bertha OS Hybrid vs PowerBilt Grand Slam 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.