Keurig K-Classic vs Ninja Single Serve Coffee Maker PB051
Ahead
Keurig K-Classic is narrowly ahead, 5.9 to Ninja Single Serve Coffee Maker PB051's 5.7. It leads on capsule system & choice and ease of use & speed.
Who each one suits
A house where everyone drinks something different, on the cheapest pods going
Scores higher on capsule system & choice, ease of use & speed, machine value for money.
Pod convenience with four brew styles and an iced setting that is not just brewing over ice
Scores higher on drink quality, build quality & reliability, maintenance & cleaning.
How they score, criterion by criterion
Both are scored the same way against the rest of their category, from what their makers publish. The weight is how much each criterion moves the total. How the score works
| Criterion | Weight in category | Keurig K-Classic | Ninja Single Serve Coffee Maker PB051 |
|---|---|---|---|
| Drink Quality | 18% | 4.0 | 5.3 |
| Capsule System & Choice | 16% | 10.0 | 8.5 |
| Running Cost Per Cup | 16% | 5.5 | 5.5 |
| Ease of Use & Speed | 12% | 5.5 | 5.0 |
| Build Quality & Reliability | 12% | 4.5 | 5.0 |
| Waste & Disposal | 10% | 3.0 | 3.0 |
| Machine Value for Money | 8% | 8.7 | 5.0 |
| Maintenance & Cleaning | 8% | 5.0 | 6.9 |
What each one costs
| Price | $99.99 | Not publicly stated |
Where they differ
Every specification the two makers publish differently. Everything they match on is in the full table below.
| Keurig K-Classic | Ninja Single Serve Coffee Maker PB051 | |
|---|---|---|
| Price | $99.99 | — |
| Best for | A house where everyone drinks something different, on the cheapest pods going | Pod convenience with four brew styles and an iced setting that is not just brewing over ice |
| What sets it apart | K-Cup is an open standard many brands make, so the pod price is set by competition rather than by Keurig | Four brew strengths and a built-in frother, on a machine that also takes loose grounds |
| Auto Shutoff | ✓ | — |
| Brew Modes | — | Four: Classic, Rich, Over Ice and Specialty |
| Brew Technology | — | Thermal Flavor Extraction, which the maker credits for even saturation and calibrated cycles |
| Fits | K-Cup | — |
| Capsule System | K-Cup pods, Keurig's own standard, widely licensed and copied | K-Cup pods or loose grounds |
| Colour Options | Black, Rhubarb | — |
| Dimensions | — | 140 x 332 x 338 mm |
| Drink Sizes | — | Up to 24oz |
| Milk Frother Type | None | Manual built-in fold-away frother |
| Milk System | None | Built-in fold-away frother |
| Model | — | PB051 |
| Power | 1470 W | — |
| Proprietary Capsules | ✕ | — |
| Reusable Capsule Available | ✓ | ✓ |
| Warranty | 1 year | — |
| Water Tank | — | 1.6, removable and fold-away |
Pros and cons
From each full review, written from the same published facts as the scores above.
- +K-Cup is an open standard made by many brands, so the pod price is competitive rather than fixed
- +A reusable capsule is available, so loose coffee is an option
- +$99.99, well under the $154.99 median, with a one-year warranty
- +1470W with a 2-hour auto shut-off
- −No tank size, drink sizes or weight is published
- −One year of cover, where Nespresso's Creatista and Lattissima publish two
- −Descaling is required
- +It takes K-Cups or loose grounds, so pods are optional rather than mandatory
- +Four brew modes, Classic, Rich, Over Ice and Specialty, up to 24oz, the largest cup here
- +A built-in frother, and Thermal Flavor Extraction which Ninja credits for even saturation
- +A 1.6 litre removable fold-away tank
- −No price is published for it here
- −No wattage, weight or warranty term is published
- −Specialty mode is a concentrate rather than true espresso: there is no pump pressure published
Every specification, side by side
| Keurig K-Classic | Ninja Single Serve Coffee Maker PB051 | |
|---|---|---|
| Price | ||
| Price | $99.99 | — |
| Who it suits | ||
| Best for | A house where everyone drinks something different, on the cheapest pods going | Pod convenience with four brew styles and an iced setting that is not just brewing over ice |
| What sets it apart | K-Cup is an open standard many brands make, so the pod price is set by competition rather than by Keurig | Four brew strengths and a built-in frother, on a machine that also takes loose grounds |
| Specifications | ||
| Auto Shutoff | ✓ | — |
| Brew Modes | — | Four: Classic, Rich, Over Ice and Specialty |
| Brew Technology | — | Thermal Flavor Extraction, which the maker credits for even saturation and calibrated cycles |
| Fits | K-Cup | — |
| Capsule Material | Plastic, a #5 plastic cup | Plastic, a #5 plastic cup |
| Capsule System | K-Cup pods, Keurig's own standard, widely licensed and copied | K-Cup pods or loose grounds |
| Colour Options | Black, Rhubarb | — |
| Cost per capsule | 1.04 | 1.04 |
| Dimensions | — | 140 x 332 x 338 mm |
| Drink Sizes | — | Up to 24oz |
| Milk Frother Type | None | Manual built-in fold-away frother |
| Milk System | None | Built-in fold-away frother |
| Model | — | PB051 |
| Power | 1470 W | — |
| Proprietary Capsules | ✕ | — |
| Reusable Capsule Available | ✓ | ✓ |
| Ships to | US | US |
| Ships to Note | Confirmed on Amazon US, which is where this link points. Availability in other Amazon stores has not been checked, and a regional store may substitute a different product. | Confirmed on Amazon US, which is where this link points. Availability in other Amazon stores has not been checked, and a regional store may substitute a different product. |
| Third Party Capsules Available | ✓ | ✓ |
| Warranty | 1 year | — |
| Water Tank | — | 1.6, removable and fold-away |
Keurig K-Classic vs Ninja Single Serve Coffee Maker PB051: common questions
Which is better, Keurig K-Classic or Ninja Single Serve Coffee Maker PB051?
Keurig K-Classic scores 5.9 against 5.7, both computed from published specifications rather than opinion. Ninja Single Serve Coffee Maker PB051 is still ahead on drink quality.
Is Keurig K-Classic or Ninja Single Serve Coffee Maker PB051 cheaper?
Keurig K-Classic starts at $99.99, and Ninja Single Serve Coffee Maker PB051 at Not publicly stated.
Who is Keurig K-Classic for?
A house where everyone drinks something different, on the cheapest pods going
Who is Ninja Single Serve Coffee Maker PB051 for?
Pod convenience with four brew styles and an iced setting that is not just brewing over ice
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