# Dreame L40s Ultra

> On September 29, 2026 the lowest price for the Dreame L40s Ultra is $484 at Amazon.com, shipping to the United States included. In our consensus it is rank 42 of 66 with an all-in-one station, named by 1 of the 5 test sources.

- Page: https://bestatbest.com/us/robot-vacuums/dreame-l40s-ultra
- Rank 42 of 66 with an all-in-one station in our consensus, named by 1 of the 5 test sources
- Score 44 out of 100
- Today’s lowest price: $484 at Amazon.com, including shipping, checked today
- Lowest since Sep 1: $484
- Buy or wait: Good moment: it has not been cheaper since we started measuring (Sep 1). It dropped 2 times since we started measuring (Sep 1), by up to 12% at a time.

## What the tests say

- Vacuum Wars: Position 40 of 151 (list as of September 26, 2026), https://vacuumwars.com/vacuum-wars-best-robot-vacuums/

## Pros

- Among the strongest robots tested at deep cleaning carpet (Vacuum Wars, https://vacuumwars.com/dreame-l40s-series-review/)
- Dual rubber brush kept long hair completely untangled (Vacuum Wars, https://vacuumwars.com/dreame-l40s-series-review/)
- Extending side brush clearly improved dirt removal from corners (Vacuum Wars, https://vacuumwars.com/dreame-l40s-series-review/)

## Cons

- Among the weakest scores on record at avoiding obstacles (Vacuum Wars, https://vacuumwars.com/dreame-l40s-series-review/)
- Cheaper AE version avoids obstacles far better and scored higher overall (Vacuum Wars, https://vacuumwars.com/dreame-l40s-series-review/)
- Advertised threshold climbing is nothing special, many robots cross the same (Vacuum Wars, https://vacuumwars.com/dreame-l40s-series-review/)

## Prices per store

| Store | Color | Price | Delivery time | Checked |
|---|---|---|---|---|
| Amazon.com | white | $484 | 1–5 days | 1 hour ago |
| Amazon.com | black | $499 | 1–5 days | 1 hour ago |

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