Coffee Machine · Comparison
Keurig K-Duo vs Keurig K-Supreme Plus: Which Is Better in 2026?
Updated 2026-11-08 · Based on manufacturer specs and public listings. Prices are approximate.
Quick verdict
Stronger on paper: Keurig K-Supreme Plus
It leads on 1 of the 1 performance specs we can compare (water tank).
Spec comparison
| Spec | Keurig K-Duo | Keurig K-Supreme Plus |
|---|---|---|
| Price (approx.) | ~$189 | ~$149 ✓ |
| Weight | 4.0 kg | 3.1 kg ✓ |
| Warranty | 1 year | 1 year |
| Water tank | 1.8 L | 1.9 L ✓ |
| Type | K-Cup + Pot | K-Cup |
Keurig K-Duo
Leads on: none of the specs we track against Keurig K-Supreme Plus.
Check current price on AmazonFAQ
Is Keurig K-Duo or Keurig K-Supreme Plus better?
On the specs we track, Keurig K-Supreme Plus comes out ahead. See the verdict and the table above for where each one leads.
What is the price difference?
Keurig K-Duo is about $189 and Keurig K-Supreme Plus about $149, so Keurig K-Supreme Plus is roughly $40 cheaper. Prices change often, so check the live price before buying.
Which has the longer warranty?
Keurig K-Duo: 1 year. Keurig K-Supreme Plus: 1 year. Check the seller's page, as warranty terms vary by country.
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