alaTest has collected and analyzed 8 user reviews of Kenmore Vista Blue QuickClean Bagless Upright Vacuum Cleaner (3900) from Amazon.com. The average user rating for this product is 3.0/5, compared to an average user rating of 4.0/5 for other products in the same category on Amazon.com. People really like the price. The usability is also mentioned favorably. Some have doubts about the reliability.