Glen Spey 21 Year Old (Special Release 2010) vs Undisclosed Orkney Distillery 18 Year Old 2003 (cask 5749) - Infrequent Flyers (Alistair Walker)
Side-by-side comparison — price, ABV, scores, tasting notes, pros & cons.

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

Undisclosed Orkney Distillery 18 Year Old 2003 (cask 5749) - Infrequent Flyers (Alistair Walker)
Alistair Walker
£100
| Glen Spey 21 Year Old (Special Release 2010) | Undisclosed Orkney Distillery 18 Year Old 2003 (cask 5749) - Infrequent Flyers (Alistair Walker) | |
|---|---|---|
| Distillery | Glen Spey | Alistair Walker |
| Region | Speyside | — |
| Country | Scotland | Scotland |
| Type | Single Malt | Single Malt |
| ABV | 50.4% | 54.9% |
| Age | 21 yr | 18 yr |
| Price | £133.99 | £100.38 |
| Rating | 5.00/5 | — |
Glen Spey 21 Year Old (Special Release 2010)
Undisclosed Orkney Distillery 18 Year Old 2003 (cask 5749) - Infrequent Flyers (Alistair Walker)
Glen Spey 21 Year Old (Special Release 2010)
Undisclosed Orkney Distillery 18 Year Old 2003 (cask 5749) - Infrequent Flyers (Alistair Walker)
Quick verdict
Glen Spey 21 Year Old (Special Release 2010) is rated higher (5.00 vs 0.00).
Undisclosed Orkney Distillery 18 Year Old 2003 (cask 5749) - Infrequent Flyers (Alistair Walker) 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 £100.38)
Undisclosed Orkney Distillery 18 Year Old 2003 (cask 5749) - Infrequent Flyers (Alistair Walker)
Pros
- +More affordable (£100.38 vs £133.99)
- +Vibrant, fresh fruit character
- +Rich oak and wood spice complexity
Cons
- −High ABV (54.9%) — 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 Undisclosed?
Undisclosed Orkney Distillery 18 Year Old 2003 (cask 5749) - Infrequent Flyers (Alistair Walker) 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 Undisclosed Orkney Distillery 18 Year Old 2003 (cask 5749) - Infrequent Flyers (Alistair Walker)