Mortlach 20 Year Old 1990 - Cask Strength Collection (Signatory) vs Big Peat 10 Year Old
Side-by-side comparison — price, ABV, scores, tasting notes, pros & cons.

Mortlach 20 Year Old 1990 - Cask Strength Collection (Signatory)
Mortlach
★ 5.00
£90

Big Peat 10 Year Old
Big Peat
★ 5.00
£62
| Mortlach 20 Year Old 1990 - Cask Strength Collection (Signatory) | Big Peat 10 Year Old | |
|---|---|---|
| Distillery | Mortlach | Big Peat |
| Region | Speyside | Islay |
| Country | Scotland | Scotland |
| Type | Single Malt | Blended Malt |
| ABV | 57.6% | 46% |
| Age | 20 yr | 10 yr |
| Price | £90.46 | £61.85 |
| Rating | 5.00/5 | 5.00/5 |
Mortlach 20 Year Old 1990 - Cask Strength Collection (Signatory)
Big Peat 10 Year Old
Mortlach 20 Year Old 1990 - Cask Strength Collection (Signatory)
Big Peat 10 Year Old
Quick verdict
Big Peat 10 Year Old is better value at £62 vs £90.
For beginners: Big Peat 10 Year Old is more approachable (50/100 beginner score).
Mortlach 20 Year Old 1990 - Cask Strength Collection (Signatory)
Pros
- +Longer maturation (20 vs 10 years)
- +Vibrant, fresh fruit character
Cons
- −High ABV (57.6%) — may need water
- −More expensive (£90.46 vs £61.85)
- −Lacks smoke character compared to the alternative
Big Peat 10 Year Old
Pros
- +Balanced smoky character without being overwhelming
- +Better value for money
- +More affordable (£61.85 vs £90.46)
- +More widely reviewed by the community
Cons
- −Dry and austere — not for those who prefer sweeter drams
Who should buy Mortlach?
Mortlach 20 Year Old 1990 - 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.
Who should buy Big?
Big Peat 10 Year Old suits whisky enthusiasts looking for a well-rounded, complex dram. It rewards those with some experience and an appreciation for Islay character.
Tasting notes
Only Mortlach 20 Year Old 1990 - Cask Strength Collection (Signatory)
Only Big Peat 10 Year Old
Where to buy
Mortlach 20 Year Old 1990 - Cask Strength Collection (Signatory)
Where to buy
The Whisky Exchange
Big Peat 10 Year Old
Where to buy
The Whisky Exchange