BISSELL Zing 4122 vs Kenmore 21614 comparison definitely makes sense. Based on our rating, both canister vacuums have the same overall rating of 7.6. Both vacuums have multi-level cleaning system. These canister vacuums are bagged.
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 71.1 x 40.6 x 35.6/28 x 16.2 x 14 (H x W x D) cm/inches for the 21614. The weight of the Zing 4122 is 3.6/8 kg/lbs, and for the 21614 it is 11.8/26 kg/lbs.
The BISSELL Zing 4122 is better canister vacuum cleaner in this comparison. Check BISSELL Zing 4122 price