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Stellum Bourbon vs Penelope Rio

Comparing Stellum Bourbon and Penelope Rio reveals a matchup between an uncut, cask-strength bruiser and a blender-built, even-keeled bottling.

Key Specifications

Feature Stellum Bourbon Penelope Rio
Type / Style Traditional Bourbon, Barrel Proof Four-Grain Bourbon
Mash Bill 1 Not disclosed 74% corn, 7% rye, 16% wheat, 3% malted barley
Age No age statement No age statement
Proof 115 proof (57.5% ABV) +17 proof 98 proof (49% ABV)
Approx. Price 2 ~$45 – $55 ~$40 less ~$80 – $100
Availability Widely available easier to find Limited
  1. Stellum Bourbon does not publish an official mash bill.
  2. US shelf prices as of 2026-10; they vary widely by market.

AG’s Rating and AG’s Notes

Stellum Bourbon

Not rated yet

No notes yet.

Penelope Rio

Not rated yet

No notes yet.

Flavor Profile

Stellum Bourbon Penelope Rio
sweetnessspiceoakfruitheatnuttiness

Axis by axis, biggest gap first

sweetness 6/9 sweetness: Stellum Bourbon 6 out of 10, Penelope Rio 9 out of 10
oak 6/4 oak: Stellum Bourbon 6 out of 10, Penelope Rio 4 out of 10
fruit 4/6 fruit: Stellum Bourbon 4 out of 10, Penelope Rio 6 out of 10
heat 7/5 heat: Stellum Bourbon 7 out of 10, Penelope Rio 5 out of 10
spice 7/6 spice: Stellum Bourbon 7 out of 10, Penelope Rio 6 out of 10
nuttiness 3/3 nuttiness: Stellum Bourbon 3 out of 10, Penelope Rio 3 out of 10

Flavor Profile Differences

Sweetness is where these two part ways.

  • Stellum Bourbon: Barrell's lower-priced, cask-strength line. It drinks gentler than its proof, with vanilla and caramel on top of cinnamon, clove and a long, spicy finish.
  • Penelope Rio: Penelope's four-grain blend finished in honey barrels and then amburana wood. It tastes like a cinnamon roll: honey, gingerbread and sweet baking spice.

Which One Should You Choose?

  • Go with Stellum Bourbon if you want a cask-strength, multi-state blend that drinks easier than its proof at a significantly lower price point and without hunting for it.
  • Go with Penelope Rio if you want a honey-and-amburana-finished bourbon that tastes like a cinnamon roll.

Best enjoyed neat, old-fashioned (Stellum Bourbon); neat, old-fashioned (Penelope Rio).