How much does the L40s Ultra cost?

Dreame lists the Dreame L40s Ultra at $499.99. We last verified it against Dreame’s own listing on Sep 17, 2026.

What are the L40s Ultra specifications?

Dreame publishes suction of 19,000 Pa, navigation of 3DAdapt, self-emptying dock of Yes, and mopping of Yes for the Dreame L40s Ultra. In total 7 of the 10 robot vacuums attributes we track are published for this model; the rest read Not published.

Does Dreame list the L40s Ultra with self-emptying dock?

Yes. Dreame lists self-emptying dock as included on the Dreame L40s Ultra.

How does the L40s Ultra compare to the Aqua10 Roller?

On manufacturer-published figures: The Aqua10 Roller lists a higher suction and max climb. Every attribute either model publishes is set side by side on our comparison, with unpublished figures marked rather than guessed.

Can you buy the L40s Ultra?

We record the Dreame L40s Ultra as buy now. A real purchase path exists for a buyer in the US today.

Buy now2025

Dreame L40s Ultra

Name: Dreame L40s Ultra
Brand: Dreame
Price: 499.99 USD
Availability: InStock

Dreame L40s Ultra robot vacuum with 19,000 Pa Vormax suction, Dual Flex Arm, and multifunctional PowerDock.

$499.99

List price verified Sep 17, 2026 · methodology

Specifications

7/10 published

Robot Vacuums specification attributes for Dreame L40s Ultra
Suction	19,000 Pa
Navigation	3DAdapt
Self-emptying dock	Yes
Mopping	Yes
Battery runtime	Not published
Onboard dustbin	Not published
Obstacle avoidance	3DAdapt
Max climb	40 mm
Noise	Not published
App control	Yes

Values entered only where Dreame publishes them. We do not estimate, interpolate, or copy figures from reviews.

Price & availability tracking

Methodology →

Current list price: $499.99
Last change: No change recorded
Last checked: Sep 17, 2026; Checked weekly

Where this price sits in the category

At $499.99, the Dreame L40s Ultra sits below the $899.99 median list price of the 63 robot vacuums we track with a published price, in a range running from $149.99 to $1,799.99.

Category low: $149.99
Median of 63: $899.99
Category high: $1,799.99

Computed from manufacturer list prices held in the database when this page was rendered.

How the L40s Ultra differs from other Dreame models

Straight differences in the figures Dreame publishes for each model in this category. Attributes either model leaves unpublished are excluded rather than guessed.

vs Dreame Aqua10 Roller

$899.99Specs →

Lower on the L40s Ultra

Suction: 19,000 Pa on the L40s Ultra against 30,000 Pa on the Aqua10 Roller.
Max climb: 40 mm on the L40s Ultra against 60 mm on the Aqua10 Roller.

3 published attributes are identical on both models.

vs Dreame Aqua10 Ultra Roller

$799.99Specs →

Lower on the L40s Ultra

Suction: 19,000 Pa on the L40s Ultra against 30,000 Pa on the Aqua10 Ultra Roller.
Max climb: 40 mm on the L40s Ultra against 80 mm on the Aqua10 Ultra Roller.

2 published attributes are identical on both models.

vs Dreame D20 Ultra

$549.99Specs →

Higher on the L40s Ultra

Suction: 19,000 Pa on the L40s Ultra against 13,000 Pa on the D20 Ultra.

3 published attributes are identical on both models.

vs Dreame D30 Ultra

$539.99Specs →

Lower on the L40s Ultra

Suction: 19,000 Pa on the L40s Ultra against 25,000 Pa on the D30 Ultra.

3 published attributes are identical on both models.

vs Dreame L40 Ultra Gen 2

$569.99Specs →

Lower on the L40s Ultra

Suction: 19,000 Pa on the L40s Ultra against 25,000 Pa on the L40 Ultra Gen 2.

3 published attributes are identical on both models.

What Dreame does not publish for this model

Dreame does not publish 3 of the attributes we track for the L40s Ultra, listed below. Those rows read Not published rather than carrying an estimate.

Battery runtime
Onboard dustbin
Noise

L40s Ultra questions answered from published data

How much does the L40s Ultra cost?: Dreame lists the Dreame L40s Ultra at $499.99. We last verified it against Dreame’s own listing on Sep 17, 2026.
What are the L40s Ultra specifications?: Dreame publishes suction of 19,000 Pa, navigation of 3DAdapt, self-emptying dock of Yes, and mopping of Yes for the Dreame L40s Ultra. In total 7 of the 10 robot vacuums attributes we track are published for this model; the rest read Not published.
Does Dreame list the L40s Ultra with self-emptying dock?: Yes. Dreame lists self-emptying dock as included on the Dreame L40s Ultra.
How does the L40s Ultra compare to the Aqua10 Roller?: On manufacturer-published figures: The Aqua10 Roller lists a higher suction and max climb. Every attribute either model publishes is set side by side on our comparison, with unpublished figures marked rather than guessed.; Compare L40s Ultra and Aqua10 Roller →
Can you buy the L40s Ultra?: We record the Dreame L40s Ultra as buy now. A real purchase path exists for a buyer in the US today.

Compare with

Other robot vacuums measured on the same attributes.