For large, low-furniture homes that want a hot-wash mopping dock and long runtime without paying for camera obstacle avoidance.
Amazon $429The iRobot Roomba Plus 515 Combo rates 4.1 among self-cleaning dock robot vacuums; the iRobot Roomba 105 Vac + AutoEmpty rates 3.6 among vacuum only ones. The iRobot Roomba 105 Vac + AutoEmpty costs $149.01 less ($279.99 vs $429).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

A budget self-emptying LiDAR vacuum for hard floors and low carpet in homes without pets; its poor pet hair score rules it out for shedding animals.
Amazon $279.99Scores side by side
These two sit in different type classes (self-cleaning dock and vacuum only), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | iRobot Roomba Plus 515 Combo | iRobot Roomba 105 Vac + AutoEmpty |
|---|---|---|
| Overall rating | 4.1/5 | 3.6/5 |
| Cleaning 30% | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 80 tested robots | 29 measured 82% of sand from carpet, 29% of pet hair, some hair tangled (0.8) |
| Value 25% | 88 $429 | 63 $280 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying | 100 Self-empties the bin |
| Navigation 15% | 65 LiDAR | 65 LiDAR |
| Mopping 10% | 76 Dual spinning pads, lifts 10 mm, extends to edges | Not scored |
Independent tests
iRobot Roomba Plus 515 Combo
No independent test published yet.
iRobot Roomba 105 Vac + AutoEmpty
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 82% | 29% | 0.8 | 754 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| iRobot Roomba Plus 515 Combo | iRobot Roomba 105 Vac + AutoEmpty | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 22,000 Pa | - |
| Main brush | multi-surface rubber and bristle brush | multi-surface bristle brush |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10 mm, extends to edges | None |
| Mop lift | 10 mm | - |
| Leaves mop at dock | No | - |
| Extending mop | Yes | - |
| Dock | ||
| Dock | Washes mop + empties | Self-empty |
| Self-empties | Yes | Yes |
| Washes mop | Yes | - |
| Hot-water wash | Yes | - |
| Hot-air drying | Yes | - |
| Navigation & app | ||
| Navigation | LiDAR | LiDAR |
| Obstacle avoidance | Object sensing (sensor type not given) | Object sensing (sensor type not given) |
| Voice assistants | - | Alexa, Siri, Google Assistant |
| Build | ||
| Height | 3.3 in (84 mm) | 4.1 in (104 mm) |
| Retracting LiDAR | - | No |
| Battery | 5,200 mAh | - |
| Run time | Up to 4 h 55 min | - |
| Weight | 6.4 lb (2.9 kg) | 6.2 lb (2.8 kg) |
| Released | 2026-07 | 2025-03 |