It makes sense comparing BISSELL Zing 4122 vs BISSELL Zing 6489 because they both are able to give some premium features. Based on our rating, Zing 4122 has the overall rating of 7.6 out of 10 versus 7.4 for Zing 6489. Difference between two canister vacuums is the cleaning system, which is multi-level for the Zing 4122 and cyclonic for the Zing 6489. Zing 4122 is bagged and Zing 6489 is bagless.
A noticeable difference between two models is the size, which is 47.2 x 28.2 x 27.9/18.6 x 11.1 x 11.5 (H x W x D) cm/inches for the Zing 4122 and 40.6 x 25.4 x 27.9/16.2 x 10.9 x 11.8 (H x W x D) cm/inches for the Zing 6489. The weight of the Zing 4122 is 3.6/8 kg/lbs, and for the Zing 6489 it is 4.5/10 kg/lbs.