Caol Ila 30 Year Old - Single Cask (Master of Malt) vs Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory)
Side-by-side comparison — price, ABV, scores, tasting notes, pros & cons.

Caol Ila 30 Year Old - Single Cask (Master of Malt)
Caol Ila
★ 5.00
£140

Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory)
Glen Keith
★ 5.00
£110
| Caol Ila 30 Year Old - Single Cask (Master of Malt) | Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory) | |
|---|---|---|
| Distillery | Caol Ila | Glen Keith |
| Region | Islay | Speyside |
| Country | Scotland | Scotland |
| Type | Single Malt | Single Malt |
| ABV | 57.4% | 48.2% |
| Age | 30 yr | 25 yr |
| Price | £139.95 | £109.79 |
| Rating | 5.00/5 | 5.00/5 |
Caol Ila 30 Year Old - Single Cask (Master of Malt)
Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory)
Caol Ila 30 Year Old - Single Cask (Master of Malt)
Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory)
Quick verdict
Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory) is better value at £110 vs £140.
For beginners: Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory) is more approachable (55/100 beginner score).
Caol Ila 30 Year Old - Single Cask (Master of Malt)
Pros
- +Balanced smoky character without being overwhelming
- +Longer maturation (30 vs 25 years)
- +More widely reviewed by the community
- +Rich oak and wood spice complexity
Cons
- −High ABV (57.4%) — may need water
- −More expensive (£139.95 vs £109.79)
- −Dry and austere — not for those who prefer sweeter drams
Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory)
Pros
- +Better value for money
- +More affordable (£109.79 vs £139.95)
Cons
- −Lacks smoke character compared to the alternative
Who should buy Caol?
Caol Ila 30 Year Old - Single Cask (Master of Malt) is for enthusiasts who appreciate cask-strength intensity. Best enjoyed with a few drops of water to open up the flavours. Not ideal for casual drinking or beginners.
Who should buy Glen?
Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory) suits whisky enthusiasts looking for a well-rounded, complex dram. It rewards those with some experience and an appreciation for Speyside character.
Tasting notes
Only Caol Ila 30 Year Old - Single Cask (Master of Malt)
Only Glen Keith 25 Year Old 1991 (cask 73651 & 73653) - Cask Strength Collection (Signatory)