Glen Spey 21 Year Old (Special Release 2010) vs Knockdhu 18 Year Old 2007 (cask 13818) - (Adelphi)
Side-by-side comparison — price, ABV, scores, tasting notes, pros & cons.

Glen Spey 21 Year Old (Special Release 2010)
Glen Spey
★ 5.00
£134

Knockdhu 18 Year Old 2007 (cask 13818) - (Adelphi)
Knockdhu
£100
| Glen Spey 21 Year Old (Special Release 2010) | Knockdhu 18 Year Old 2007 (cask 13818) - (Adelphi) | |
|---|---|---|
| Distillery | Glen Spey | Knockdhu |
| Region | Speyside | Highland |
| Country | Scotland | Scotland |
| Type | Single Malt | Single Malt |
| ABV | 50.4% | 56.2% |
| Age | 21 yr | 18 yr |
| Price | £133.99 | £99.95 |
| Rating | 5.00/5 | — |
Glen Spey 21 Year Old (Special Release 2010)
Knockdhu 18 Year Old 2007 (cask 13818) - (Adelphi)
Glen Spey 21 Year Old (Special Release 2010)
Knockdhu 18 Year Old 2007 (cask 13818) - (Adelphi)
Quick verdict
Glen Spey 21 Year Old (Special Release 2010) is rated higher (5.00 vs 0.00).
Knockdhu 18 Year Old 2007 (cask 13818) - (Adelphi) is better value at £100 vs £134.
For beginners: Glen Spey 21 Year Old (Special Release 2010) is more approachable (60/100 beginner score).
Glen Spey 21 Year Old (Special Release 2010)
Pros
- +Approachable and beginner-friendly sweetness
- +Better value for money
- +Higher community rating (5.0/5)
- +Longer maturation (21 vs 18 years)
Cons
- −High ABV (50.4%) — may need water
- −More expensive (£133.99 vs £99.95)
Knockdhu 18 Year Old 2007 (cask 13818) - (Adelphi)
Pros
- +More affordable (£99.95 vs £133.99)
- +Vibrant, fresh fruit character
Cons
- −High ABV (56.2%) — may need water
- −Lower community rating (0.0 vs 5.0)
Who should buy Glen?
Glen Spey 21 Year Old (Special Release 2010) suits those who enjoy sweet, honeyed, or fruity whiskies. It's accessible for beginners and crowd-pleasing enough for gifts. Fans of approachable Speyside or Irish whiskey will love it.
Who should buy Knockdhu?
Knockdhu 18 Year Old 2007 (cask 13818) - (Adelphi) 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
Both taste of
Only Glen Spey 21 Year Old (Special Release 2010)
Only Knockdhu 18 Year Old 2007 (cask 13818) - (Adelphi)