Vacuum Cleaners

Best Vacuums

Shark Ion Robot R85 RV850BRN

We expect this model to perform similarly to the tested Shark Ion Robot Vacuum Cleaning System S87 RV851WV although it may differ in price and features.

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CR Expert Take

How did it perform in our owner surveys and expert lab testing?

Overall Score

The Overall Score for this model incorporates our expert lab test results, as well as ratings for that brand’s reliability and owner satisfaction from our annual product owner survey of members.

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Current Range of Tested Robotic Vacuums

What goes into the Overall Score?

OWNER SURVEYS

Learn More

Carpet

/ 5

Bare floors

/ 5

Navigation

/ 5

Pet hair

/ 5

Edges

/ 5

Ease of use

/ 5

Noise

/ 5

Data privacy

/ 5

Data security

/ 5

Color

/ 5

About

The Shark Ion Robot R85 RV850BRN is part of the Vacuum Cleaners test program at Consumer Reports. In our lab tests, Robotic Vacuums models like the Ion Robot R85 RV850BRN are rated on multiple criteria, such as those listed below.

Carpet: Shows how much surface litter (cereal, rice, and peas) and embedded dust the vacuum picked up from a medium-pile carpet.

Bare floors: Indicates the vacuum's ability to remove surface debris from a bare laminate floor.

Navigation: A composite score that includes combined coverage over multiple runs, clearance under furniture and obstacle and entrapment avoidance.

Brand Reliability & Satisfaction

#? in Reliability of all Robotic Vacuum Brands

Did the brand perform consistently well over time?

PREDICTED RELIABILITY SCORE

/ 100

Predicted brand reliability is based on estimated problem rates for newly-purchased robotic vacuums by the end of the fourth year of ownership, adjusting for extended warranty/service contract status, product usage, and the presence of pet hair in the home. Ranked #? of 11

Would our members recommend this brand?

OWNER SATISFACTION SCORE

/ 100

Brand owner satisfaction is based on the proportion of members who are extremely likely to recommend their robotic vacuum to their friends and family. Ranked #? of 11

Source: Consumer Reports' 2023, 2024, and 2025 Winter Surveys

Features & Specs

Specs

Clearance (in.)

3.5

Time to Clean Room (min.)

Pattern

Random

WiFi/Cellular connectivity

Yes

Run time (min.)

Remote control

Connections

Navigation POC

9.3452381

Carpet POC

7.54277778

Ease of use POC

8.46767241

Bare floors POC

9.30452381

Noise POC

9.872

Price & Shop

Shark Ion Robot R85 RV850BRN

CR Expert Take

Overall Score

What goes into the Overall Score?

About

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