Comparison
Altbier vs Kölsch
What is the difference between Altbier and Kölsch?
The short answer
The main difference is hop aroma: Kölsch has noticeably more of it than Altbier. Altbier also leads on nutty, caramel & toffee and malt intensity.
Generated from the two style records. No editor has written this comparison up, so it carries no verdict beyond what the data supports.
Where they overlap
They share comparable bitterness, body, dryness, overlapping strength ranges, the same style family — the boundary between them is narrower than the comparison suggests.
Side by side
| Altbier | Kölsch | |
|---|---|---|
| Family | Hybrid & regional | Hybrid & regional |
| Fermentation | Hybrid | Hybrid |
| Origin | Germany | Germany |
| Category status | Established | Established |
| Strength | 4.3–5.5% ABV | 4.4–5.2% ABV |
| Bitterness (IBU) — IBU measures iso-alpha acids in the lab. It does not track perceived bitterness, which residual sweetness, body and roast all alter — compare the sensory rows below for how each actually tastes. | 25–50 IBU | 18–30 IBU |
| Colour | Amber to copper — 11–17 SRM, 22–33 EBC | Pale gold — 3.5–5 SRM, 7–10 EBC |
| Original gravity | 1.044–1.052 | 1.044–1.050 |
| Final gravity | 1.008–1.014 | 1.007–1.011 |
| Serving temperature | 7–10°C | 5–8°C |
| Carbonation | 2–3 vol CO₂ | 2–3 vol CO₂ |
| Glassware | Stange | Stange |
| Clarity | brilliant | brilliant |
How they taste different
| Character | Altbier | Kölsch |
|---|---|---|
| Hop aroma | Not characteristic | Low |
| Nutty | Low–Moderate | Not characteristic |
| Caramel & toffee | Trace–Low | Not characteristic |
| Malt intensity | Moderate | Low |
| Floral | Not characteristic | Low |
| Bread & biscuit | Moderate | Low |
Which should you choose?
Derived from where the two actually differ. Neither is better — this is a question of which difference you want.