Longmorn 15 Year Old vs Mortlach 24 Year Old 1991 (cask 4240) - Cask Strength Collection (Signatory)
Side-by-side comparison — price, ABV, scores, tasting notes, pros & cons.

Longmorn 15 Year Old
Longmorn
★ 5.00
£150

Mortlach 24 Year Old 1991 (cask 4240) - Cask Strength Collection (Signatory)
Mortlach
★ 5.00
£140
| Longmorn 15 Year Old | Mortlach 24 Year Old 1991 (cask 4240) - Cask Strength Collection (Signatory) | |
|---|---|---|
| Distillery | Longmorn | Mortlach |
| Region | Speyside | Speyside |
| Country | Scotland | Scotland |
| Type | Single Malt | Single Malt |
| ABV | 45% | 55.5% |
| Age | 15 yr | 24 yr |
| Price | £150 | £140 |
| Rating | 5.00/5 | 5.00/5 |
Longmorn 15 Year Old
Mortlach 24 Year Old 1991 (cask 4240) - Cask Strength Collection (Signatory)
Longmorn 15 Year Old
Mortlach 24 Year Old 1991 (cask 4240) - Cask Strength Collection (Signatory)
Quick verdict
Mortlach 24 Year Old 1991 (cask 4240) - Cask Strength Collection (Signatory) is better value at £140 vs £150.
For beginners: Longmorn 15 Year Old is more approachable (60/100 beginner score).
Longmorn 15 Year Old
Pros
- +More widely reviewed by the community
Cons
- −More expensive (£150 vs £140)
Mortlach 24 Year Old 1991 (cask 4240) - Cask Strength Collection (Signatory)
Pros
- +Better value for money
- +More affordable (£140 vs £150)
- +Longer maturation (24 vs 15 years)
- +Vibrant, fresh fruit character
Cons
- −High ABV (55.5%) — may need water
Who should buy Longmorn?
Longmorn 15 Year Old suits whisky enthusiasts looking for a well-rounded, complex dram. It rewards those with some experience and an appreciation for Speyside character.
Who should buy Mortlach?
Mortlach 24 Year Old 1991 (cask 4240) - Cask Strength Collection (Signatory) 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.
Tasting notes
Only Longmorn 15 Year Old
Only Mortlach 24 Year Old 1991 (cask 4240) - Cask Strength Collection (Signatory)