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Dreame L40 Ultra Gen 2

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Dreame L40 Ultra Gen 2

Dreame robot vacuum · sold by Dreame

8.8DustScore
★ 4.6/5
530 owner ratings

$569.99

Verdict

A long-hair champion: the detangling comb system shrugs off hair that wraps other robots.

Pros
  • Excellent long-pet-hair handling
  • Full wash/empty/dry dock
  • Strong mopping with lift
Cons
  • Dreame app upsells feel pushy
  • Big dock

Best for: Homes with long-haired pets and humans alike.

Skip it if: You want the simplest app experience.

Sub-scores

Cleaning
9.2
Navigation
8.8
Maintenance
8.6
Value
8.0
Noise & UX
8.4

ValueScore: 4.4 / 10 — value for money vs the best in this category, at an effective price of $569.99 (deal-adjusted)

Cleaning 40% · Navigation 20% · Maintenance 15% · Value 15% · Noise & UX 10%. How we test

Specifications

Specs marked “not disclosed” are absent from the manufacturer's materials; all printed values are verified against official documentation.

Side-by-side specification comparison
SpecDreame L40 Ultra Gen 2
Price (live)$569.99
Dock / self-emptyAuto-empty + mop wash + dry
MoppingDual spinning mops
Main brushDetangling comb system
Warranty1 year
ValueScore4.4
DustScore8.8
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Videos & independent reviews

Coverage gathered from around the web so you can check our verdict against everyone else’s. We label who published what — manufacturer videos are marketing; independent outlets received nothing from us.

Written reviews elsewhere

  • “The Dreame L40 Ultra Gen 2 is not a simple upgrade—it’s a rebalancing act. On one hand, it delivers outstanding suction power, best-in-class efficiency, strong mopping performance, and a highly automated dock experience.”

    VacuumChef
  • “The Dreame L40 Ultra Gen 2 is the best robot vacuum for hard-floor homes with pets or a busy schedule.”

    Everyday Home Comfort

Videos are hosted on YouTube and we don’t control their content. “Manufacturer video” is published by Dreame’s own channel; independent reviewers are not affiliated with this site and these links earn us nothing. Review excerpts are quoted verbatim with attribution — quoting is not endorsement.

Appears on these rankings

Compare with

Side-by-side specification comparison
SpecDreame L40 Ultra Gen 2Roborock Q10 S5+Eureka E20 PlusEureka E20 Evo Plus
Price (live)$569.99$259.99$449.99 $239.99
🎁 210 OFF at checkout
$399.99 $209.99
🎁 190 OFF at checkout
SuctionNot disclosedNot disclosed8,000 Pa10,000 PA
Dock / self-emptyAuto-empty + mop wash + dryAuto-empty bag dock (2.5 L)Bagless self-empty station (~45 days per empty)Bagless self-empty station
Onboard dustbinNot disclosedNot disclosed2 L (base station dust cup)2 Liters (base station)
Max runtimeNot disclosedNot disclosedUp to 180 min (manufacturer-claimed max)Up to 180 min
NavigationNot disclosedNot disclosedGyroscope + DuoDetect floor sensingGyroscope
Obstacle avoidanceNot disclosedYesAI 3-D obstacle avoidanceYes (Right-Side PSD)
MoppingDual spinning mopsNot disclosedFlat mop padMop pad included (pre-installed)
Mop liftingNot disclosedNot disclosed10 mm10 mm
Main brushDetangling comb systemNot disclosedV-shaped rubber roller brushAnti-Tangle Brush Roll; Dragonclaw™ Anti-Tangle Side Brush
NoiseNot disclosedNot disclosed65 dB(A)Not disclosed
WeightNot disclosedNot disclosed8 kg (with Station)Not disclosed
App / voiceNot disclosedNot disclosedYes (Eureka app; Alexa, Google Assistant, Siri)Yes (Eureka app; Alexa, Google Assistant, Siri)
Warranty1 year1 year2 years2 years
ValueScore4.48.68.910.0
DustScore8.89.18.78.7
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