Avidbots Kas vs Tennant X4 ROVR
Researched by Riley Hart · prices checked Nov 9, 2026
As of Nov 9, 2026, the Avidbots Kas costs $63,567 and the Tennant X4 ROVR costs $49,382, so the Tennant X4 ROVR is $14,185 cheaper. Pick the Avidbots Kas for big box stores and hospitals with wide flat floors. Pick the Tennant X4 ROVR for schools and stores that want US dealer service. The Tennant X4 ROVR wins 2 of 3 points we can measure.
Who wins, point by point
The Tennant X4 ROVR wins 2 of 3 points we can measure. Built from today's prices, the specs and independent tests for these two robots.
| Kas | X4 ROVR | Winner | |
|---|---|---|---|
| Price today | $63,567 | $49,382 | X4 ROVR |
| Runtime per charge | 3 h | 2.5 h | Kas |
| Narrowest aisle | 105 cm | 71 cm | X4 ROVR |
- You care most about runtime per charge (3 h vs 2.5 h)
- Best for big box stores and hospitals with wide flat floors
- You want to spend less (saves $14,185)
- You care most about narrowest aisle (71 cm vs 105 cm)
- Best for schools and stores that want US dealer service
- Cleaning path
- 553 mm
- Coverage
- 500 to 1,000 sq m/h
- Runtime
- 3 h or more
Heavy duty 22 in robot scrubber for stores, schools and hospitals
Full Avidbots Kas review, pros and cons →- Cleaning path
- 20 in
- Runtime
- Up to 2.5 h
Compact robot scrubber from a US floor care brand, fits 28 in aisles
Full Tennant X4 ROVR review, pros and cons →Side by side
| Avidbots Kas | Tennant X4 ROVR | |
|---|---|---|
| Price | $63,567 | $49,382 |
| 3 year cost | $63,567 | $49,382 |
| Our score | Not scored yet | Not scored yet |
| Rank in Commercial cleaning | #8 | #6 |
| Status | on sale | on sale |
| Warranty | n/a | 3 years per the Sweepscrub listing title; Tennant's spec sheet lists no term |
| Cleaning modes | Wet scrubbing with squeegee pickup; no sweeping or vacuum mode (Avidbots spec sheet) | Wet scrubbing with vacuum pickup, in robot mode or manual mode (Tennant and Sweepscrub) |
| Cleaning width | 553 mm (21.8 in) scrubbing path with two 11 in pads, 630 mm squeegee (Avidbots spec sheet) | 20 in (500 mm) dual disk path, 21.7 in squeegee (Tennant) |
| Coverage per hour | 500 to 1,000 sq m/h in practice, 2,200 sq m/h theoretical (Avidbots spec sheet); Sweepscrub lists up to 11,000 sq ft/h | Not published per hour; about 20,000 sq ft (1,860 sq m) per tank of solution (Tennant) |
| Tank capacity | 48 L (12.7 gal) solution, 50 L (13.2 gal) recovery (Avidbots spec sheet) | 10 gal (38 L) solution, 10 gal (38 L) recovery (Tennant) |
| Runtime | 3 h or more (Avidbots spec sheet); Sweepscrub lists up to 4 h | Up to 2.5 h of autonomous scrubbing (Tennant); Sweepscrub lists 2 h |
| Charge time | Not published; 4.8 kWh swappable LFP battery (Avidbots spec sheet) | Not published; 90 Ah lithium ion battery with on board charger and opportunity charging (Tennant and Sweepscrub) |
| Navigation | Two 2D lidars, three 3D sensors, four cliff sensors and six cameras running Avidbots Autonomy (Avidbots spec sheet) | BrainOS from Brain Corp with computer vision; sensor list not published (Robotics 24/7) |
| Min aisle width | 1.05 m (41 in); U turn in 1.55 m (61 in) (Avidbots spec sheet) | As low as 28 in (71 cm); U turn in 4.5 ft (1.37 m) (Tennant) |
| Dimensions | 944 x 674 x 1,230 mm (37.2 x 26.5 x 48.4 in) (Avidbots spec sheet); weight 165 kg (364 lb) empty, 257 kg (567 lb) loaded (Avidbots spec sheet); Sweepscrub lists 379 lb dry | 38 x 22 x 44 in (96 x 56 x 112 cm) long, wide, high (Tennant); weight 403 lb (183 kg) with battery and empty tanks (Tennant) |
| Extras | max slope 1.7 degrees (3 percent grade) while scrubbing; up to 90 lb of pad pressure; swappable battery; Avidbots Command Center web reports and 24/7 remote assistance; no docking station or elevator integration mentioned | max slope not published; noise as low as 66 dBA; cleans within 3 in of walls; staff fill and drain the tanks by hand since no docking station is listed; BrainOS fleet reports; elevator use not mentioned |
| Best for | big box stores and hospitals with wide flat floors | schools and stores that want US dealer service |
| Skip if | your site has ramps or aisles under 41 in | you want auto refill or a monthly rental price |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Avidbots Kas
Tennant X4 ROVR
Questions buyers ask
Which is better, the Avidbots Kas or the Tennant X4 ROVR?
Pick the Avidbots Kas for big box stores and hospitals with wide flat floors. Pick the Tennant X4 ROVR for schools and stores that want US dealer service.
Which is cheaper?
The Tennant X4 ROVR at $49,382, versus $63,567 for the Avidbots Kas, checked Nov 9, 2026.
What is the difference between the Kas and the X4 ROVR?
Cleaning modes: Wet scrubbing with squeegee pickup; no sweeping or vacuum mode (Avidbots spec sheet) on the Kas, Wet scrubbing with vacuum pickup, in robot mode or manual mode (Tennant and Sweepscrub) on the X4 ROVR. Cleaning width: 553 mm (21.8 in) scrubbing path with two 11 in pads, 630 mm squeegee (Avidbots spec sheet) on the Kas, 20 in (500 mm) dual disk path, 21.7 in squeegee (Tennant) on the X4 ROVR. Coverage per hour: 500 to 1,000 sq m/h in practice, 2,200 sq m/h theoretical (Avidbots spec sheet)… on the Kas, Not published per hour; about 20,000 sq ft (1,860 sq m) per tank of solution (Tennant) on the X4 ROVR.
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