US catalog
Dreame L40 Ultra Gen 2 robot vacuum
The Dreame L40 Ultra Gen 2 robot vacuum has a value score of 100 and a cleaning score of 90. Published suction is 25,000 Pa. Mop type on record is dual spinning pads. The recorded price is $569.99 as of October 8, 2026, a cited snapshot rather than a live Amazon price.
Dreame combo with the highest pascal figure in the RobotReviewed self-empty set: 25,000 Pa. The dock hot-washes pads, warm-dries them, and refills water. Robot height is published at about 3.82 inches.
| Model | Value | Recorded price | Suction | Mop | Self-empty |
|---|---|---|---|---|---|
| Dreame L40 Ultra Gen 2 | 100 | $569.99October 8, 2026 · snapshot | 25,000 Pa | Dual spinning pads | Yes |
| Roborock Qrevo S5V | 96 | $499.99October 8, 2026 · snapshot | 12,000 Pa | Dual spinning pads | Yes |
| Roborock Qrevo 2 Pro | 95 | $550.00September 16, 2026 · snapshot | 20,000 Pa | Not published | Yes |
| ECOVACS DEEBOT T80 Omni | 89 | $549.99October 2026 · snapshot | Not published | Roller mop | Yes |
Prices
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- Check AmazonAmazonPrice not recordedNot recorded
- Check Best BuyBest BuyPrice not recordedNot recorded
- Check TargetTargetPrice not recordedNot recorded
- Check WalmartWalmartPrice not recordedNot recorded
- Check DreameDreamePrice not recordedNot recorded
Recorded snapshots
These numbers come from reviews or roundups that did not name a shop, or that published a list price. They are not live retailer quotes.
- $569.99Cited snapshotRobotReviewedas of October 8, 2026
RobotReviewed 'current U.S. price' on 8 Oct 2026. The table does not name the shop. Not a live quote.
Shop shown above: Amazon, Best Buy, Target, Walmart, Dreame.
Price history
| When | Price | Status |
|---|---|---|
| October 8, 2026 | $569.99 | Cited snapshot |
Gold dots are cited snapshots. A hollow dot is a list price. A green dot is a live feed. None of the seed points are live.
Specs
A blank is a spec the source did not publish. It is not a guess, and it is not scored as zero unless the formula says an absence was cited.
| Suction | 25,000 Pa Cited snapshotRobotReviewed · October 8, 2026 25,000 Pa Vormax. |
|---|---|
| Battery runtime | 231 min Cited snapshotRobotReviewed · October 8, 2026 Up to 231 minutes in Vacuum Only, Quiet mode. |
| Navigation | LiDAR Cited snapshotRobotReviewed · October 8, 2026 LDS mapping. |
| Obstacle avoidance | Structured light Cited snapshotRobotReviewed · October 8, 2026 3DAdapt structured light. No RGB camera is claimed here. |
| Self-empty dock | Yes Cited snapshotRobotReviewed · October 8, 2026 |
| Dock interval | 100 days Cited snapshotRobotReviewed · October 8, 2026 Rated for up to 100 days. |
| Mop type | Dual spinning pads Cited snapshotRobotReviewed · October 8, 2026 Two rotating pads, one of them extending. |
| Auto mop wash | Hot wash Cited snapshotRobotReviewed · October 8, 2026 Hot-water mop washing. |
| Auto mop dry | Warm air dry Cited snapshotRobotReviewed · October 8, 2026 Warm air. |
| Water refill | Yes Cited snapshotRobotReviewed · October 8, 2026 |
| Carpet lift | Yes Cited snapshotRobotReviewed · October 8, 2026 |
| Carpet lift height | 10.5 mm Cited snapshotRobotReviewed · October 8, 2026 |
| Hair handling | Not published Not published |
| Height | 3.82 in Cited snapshotRobotReviewed · October 8, 2026 About 13.78 × 13.78 × 3.82 inches. |
| Noise | Not published Not published |
| Dock height | Not published Not published |
| Release year | Not published Not published |
| LDS maps | Yes Cited snapshot |
| Battery | 5,200 mAh Cited snapshot |
| Dock dust bag | 3.2 L Cited snapshot |
| Clean water tank | 4.5 L Cited snapshot |
| Used water tank | 4.0 L Cited snapshot |
| Threshold | Up to 0.79 in Cited snapshot |
| Hair brush | TriCut 2.0 is optional and not included Cited snapshot Not scored as a hair system. |
Cleaning power 90
- Suction100
25000 Pa, capped at 25000 Pa.
- Mop84
- Navigation84
- Obstacle avoidance74
Smart features 60Partial
- Navigation84
- Obstacle avoidance74
- Confirmed app features16
1 confirmed feature × 16 points. Features a source never mentions do not add or subtract.
Assumption in the formula, marked on the product page.
Low maintenance 96Partial
- Self-empty dock100
- Dock interval100
100 days, scaled so 90 days is 100.
- Mop wash100
- Mop dry80
- Water refill100
- Carpet lift88
10.5 mm, scaled so 12 mm is 100.
- Hair handlingleft out
No dedicated anti-tangle, comb, or hair-cutting system was described. Silence is not scored as a failure.
Pet hair evidence 98Partial
- Suction100
- Self-empty dock100
- Hair systemleft out
Awarded only when a source describes an anti-tangle brush, hair-cutting dock, or pet-hair comb.
- Carpet lift88
Small apartment fit 62Partial
- Robot height72
3.82 in.
- Dock bulk40
Assumption, not a measurement: a self-empty dock with no published height scores 40/100 for bulk.
Assumption in the formula, marked on the product page.
- Runtime78
Long runtime is useful, and it is not extra credit in a small apartment.
Value 100Partial
- Performance blend84
50% cleaning, 25% smart features, 25% low maintenance.
- Recorded priceleft out
569.99 USD. Raw value is performance per $100, then scaled so the best raw value in this catalog is 100. Uses a cited snapshot, not a live feed. The order can change when a live price replaces it.
Questions people ask
What is the Dreame L40 Ultra Gen 2 robot vacuum score?
Value is 100 and cleaning is 90. Both come from the published formula. They are not lab grades.
What suction does the Dreame L40 Ultra Gen 2 publish?
Dreame L40 Ultra Gen 2 has a published suction of 25,000 Pa. That figure is the maker or review citation, not a WhichVac measurement.
Does the Dreame L40 Ultra Gen 2 mop?
Dreame L40 Ultra Gen 2 is cited as dual spinning pads. See the spec table for the source.
Does the Dreame L40 Ultra Gen 2 self-empty?
Yes. A source says Dreame L40 Ultra Gen 2 can empty into a dock. The day rating is on the spec table when it was published.
Is the Dreame L40 Ultra Gen 2 price from Amazon?
The recorded price is $569.99 as of October 8, 2026, a cited snapshot rather than a live Amazon price. The Amazon row stays empty until the Creators API or PA-API returns a live price.
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