Comparison
International dark lager vs Märzen
What is the difference between International dark lager and Märzen?
The short answer
The main difference is bread & biscuit: Märzen has far more of it than International dark lager. Märzen also leads on dryness, malt intensity and alcohol warmth.
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, sweetness, carbonation, the same style family — the boundary between them is narrower than the comparison suggests.
Side by side
| International dark lager | Märzen | |
|---|---|---|
| Family | Amber & dark lager | Amber & dark lager |
| Fermentation | Bottom-fermented (lager) | Bottom-fermented (lager) |
| Origin | United States | Germany |
| Category status | Established | Established |
| Strength | 4–6% ABV | 5.6–6.3% 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. | 8–20 IBU | 18–24 IBU |
| Colour | Dark amber to brown — 14–22 SRM, 28–43 EBC | Amber to deep copper — 8–17 SRM, 16–33 EBC |
| Original gravity | 1.044–1.056 | 1.054–1.060 |
| Final gravity | 1.008–1.012 | 1.010–1.014 |
| Serving temperature | 5–8°C | 7–9°C |
| Carbonation | 2–3 vol CO₂ | 2–3 vol CO₂ |
| Glassware | Pilsner glass | Stein, Willi Becher |
| Clarity | clear | brilliant |
How they taste different
| Character | International dark lager | Märzen |
|---|---|---|
| Bread & biscuit | Not characteristic | Moderate–High |
| Dryness | Not characteristic | Low–Moderate |
| Malt intensity | Low | High |
| Alcohol warmth | Not characteristic | Trace–Low |
| Roast | Trace | Not characteristic |
| Body | Trace–Low | Moderate |
| Nutty | Not characteristic | Low |
Which should you choose?
- You want more bread & biscuit → Märzen
- You want something more restrained — less bread & biscuit and dryness → International dark lager
Derived from where the two actually differ. Neither is better — this is a question of which difference you want.