Quick takeaway
Kenmore Elite 31150 Pet Friendly leads this matchup 0 to 0 on measured spec rows and by 100 points overall. Kenmore Elite 31150 Pet Friendly is also about $100.00 cheaper at the latest tracked price.
Kenmore Elite 31150 Pet Friendly vs Shark AI Ultra Robot Vacuum
Choose Kenmore Elite 31150 Pet Friendly if...
Pick Kenmore Elite 31150 Pet Friendly if its current price, brand, or design fits your shortlist better than Shark AI Ultra Robot Vacuum.
Choose Shark AI Ultra Robot Vacuum if...
Pick Shark AI Ultra Robot Vacuum if its current price, brand, or design fits your shortlist better than Kenmore Elite 31150 Pet Friendly. It currently costs about $100.00 more, so make sure those wins matter to you.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Battery and power
| Spec | Kenmore Elite 31150 Pet Friendly | Shark AI Ultra Robot Vacuum |
|---|---|---|
| Battery Life | - | Up to 90-120 min per charge |
| Power Source | Corded | - |
Dimensions
| Spec | Kenmore Elite 31150 Pet Friendly | Shark AI Ultra Robot Vacuum |
|---|---|---|
| Dustbin | - | 0.3 L (self-empty to base) |
General
| Spec | Kenmore Elite 31150 Pet Friendly | Shark AI Ultra Robot Vacuum |
|---|---|---|
| Bin Type | Bagless | - |
| Brand | Kenmore | Shark |
| Category | Vacuum cleaner | Vacuum cleaner |
| Type | Upright or stick | Robot vacuum |
The verdict
Based on 12 spec comparisons plus user ratings, the Kenmore Elite 31150 Pet Friendly comes out ahead with a stronger overall score.
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the Kenmore Elite 31150 Pet Friendly vs Shark AI Ultra Robot Vacuum score measuring?
VSFinder compares 11 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $199.99 for Kenmore Elite 31150 Pet Friendly and $299.99 for Shark AI Ultra Robot Vacuum.