Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Dyson - V8 (2024) | Miele - Complete C3 Cat & Dog |
|---|---|---|
| Dustbin | 0.54 L | 4.5 L |
| Suction (AW) | 115 | 240 |
| Weight | 2.55 kg | 9.3 kg |
| Cordless | true | false |
| Battery | 40 min | 0 min |
Between the V8 (2024) and Complete C3 Cat & Dog, the V8 (2024) comes out ahead in weight / cordless, while the Complete C3 Cat & Dog wins on dustbin / suction (aw). Overall, the V8 (2024) scores 70.3 and the Complete C3 Cat & Dog scores 67.7 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (70.3 vs 67.7). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the V8 (2024) if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight, cordless, battery. The single most decisive one: Weight — 6.75 kg less. 2.55 vs 9.3.
Pick the Complete C3 Cat & Dog if you care most about dustbin / suction (aw). Its strongest claims are dustbin, suction (aw). The single most decisive one: Dustbin — 733.33% more. 4.5 L vs 0.54 L.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Dyson - V8 (2024) or Miele - Complete C3 Cat & Dog?
Dyson - V8 (2024) leads the current Mars Score by 2.6 points.The more useful decision is the trade-off behind that result: compare suction (aw), battery, weight against the way you will actually use the product.
Choose Dyson - V8 (2024) if…
Dyson - V8 (2024) has the measurable edge on weight kg, is cordless, battery min.
Choose Miele - Complete C3 Cat & Dog if…
Miele - Complete C3 Cat & Dog has the measurable edge on dustbin l, suction aw.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Dyson - V8 (2024) wins
- ▲Weight — 6.75 kg less. 2.55 vs 9.3.
- ▲Cordless: true (vs false).
- ▲Battery: 40 min vs 0 min.
Why Miele - Complete C3 Cat & Dog wins
- ▲Dustbin — 733.33% more. 4.5 L vs 0.54 L.
- ▲Suction (AW) — 108.70% more. 240 vs 115.
Spec comparison
Performance
| Spec | Dyson - V8 (2024) | Miele - Complete C3 Cat & Dog |
|---|---|---|
| Suction (AW) | 115 | 240lead |
| Dustbin | 0.54 L | 4.5 Llead |
| Filter | HEPA | HEPA H13 |
Design
| Spec | Dyson - V8 (2024) | Miele - Complete C3 Cat & Dog |
|---|---|---|
| Type | Cordless stick | canisterlead |
| Cordless | truelead | false |
| Weight | 2.55 kglead | 9.3 kg |
| Battery | 40 minlead | 0 min |