Side by side
Comparing XSTO X12, XSTO M8
Choose two or three models. Rows are lined up by what they measure, and every figure is XSTO’s own – where a model uses a different label, it is shown in small print.
| Specification | Stair-climbing mobility robot XSTO X12 | All-terrain crossover powerchair XSTO M8 |
|---|---|---|
| At a glance | ||
| In short | A stair-climbing, all-terrain mobility robot that keeps its seat level. | XSTO's four-wheel-drive crossover powerchair for town and trail. |
| Good for | Stairs, Outdoors, Rough ground, At home | Outdoors, Rough ground, At home |
| Climbs stairs | Yes, with you seated | No |
| UK class | Not stated by XSTO | Not stated by XSTO |
| UK sellers found | Yes | Yes |
| Performance | ||
| Maximum load | 136 kgMaximum load (user plus luggage) | 150 kg (330.6 lb)Maximum load (user plus luggage) |
| Top speed | 0–12 km/hSpeed range | 12 km/h (7.4 mph)Maximum speed |
| Range | 35 kmRange on flat ground | 54 km (33.5 miles)Maximum range (with optional battery) |
| Stair-climbing speed | 25 steps a minute up, 30 down | Not listed |
| Slope / climbing | 15° on wheels, 40° on tracksClimbing ability | 15°Maximum slope |
| Obstacle clearance | 100 mm front / 220 mm rear | 100 mm forwards and reversing (3.9 in) |
| Gap crossing width | Under 180 mm on wheels, under 300 mm on tracks | 100 mm (3.9 in) |
| Turning | Not listed | 725 mm (28.5 in)Minimum turning radius |
| Drive | Not listed | Four independently driven wheels (4WD) with independent suspension |
| Stairs | ||
| Step height | Step height under 200 mm, stair angle under 35°Compatible steps | Not listed |
| Landing space needed | L-shaped turn 1400 × 1400 mm; U-shaped turn 1400 × 2000 mm | Not listed |
| Drive modes | Four-wheel mode, wheel-and-track hybrid mode, twin-track mode | Not listed |
| Dimensions | ||
| Weight | 115 kg (UK distributor quotes 112.8 kg)Weight without batteries | 68.6 kg (151.2 lb)Weight without batteries |
| Folded (L × W × H) | 1200 × 685 × 617 mm (store page; 1185 mm long on the corporate page) | 1063 × 610 × 730 mm (41.9 × 24.0 × 28.7 in) |
| Unfolded (L × W × H) | 1210 × 685 × 1550 mm | 1085 × 610 × 1287 mm (42.7 × 24.0 × 50.7 in) |
| Seating | ||
| Legrest | Manual | Manual adjustment |
| Seat height | 490–762 mmSeat height (lifting range) | 450–730 mm (17.7–28.7 in)Seat height range |
| Seat tilt | -8° to 40° | 0–20°, powered |
| Backrest recline | 90–121° | 90–125°, manual |
| Seat size range | Depth 380–435 mm; width 390–440 mm | Not listed |
| Boarding | From the front or the side | Not listed |
| Armrest adjustment | Not listed | Up, down, forwards and backwards |
| Battery | ||
| Battery | Two lithium batteries, 25.2 V 25.6 Ah eachBatteries | Two backrest batteries, 25.2 V 25.6 Ah each, plus one base battery, 25.2 V 19.2 AhBatteries |
| Charge time | 6.5 hours × 2 | Backrest battery 7 hours; base battery 5.5 hoursCharge time per battery |
| Battery size | Not listed | Backrest 365 × 90 × 110 mm (14.4 × 3.5 × 4.3 in); base 245 × 130 × 130 mm (9.6 × 5.1 × 5.1 in) |
| Controls | ||
| Control methods | Not listed | Joystick, Bluetooth remote, app (XSTO also mentions voice commands) |
| Joystick mounting | Not listed | Interchangeable left or right |
| Wheels | ||
| Front wheels | Not listed | Omni wheels |
| Rear wheels | Not listed | 12-inch off-road tyres |
| Lighting | ||
| Lighting system | Not listed | Headlights, brake lights, indicators |
| Safety | ||
| Sensors | LiDAR collision warning, rear parking radar, alert for a drop or step ahead | Not listed |
| Protection | ||
| Water protection rating | Not listed | IPX4 |
| Next steps | ||
| Find out more | Full details for XSTO X12 XSTO’s page for XSTO X12 (opens in a new tab) | Full details for XSTO M8 XSTO’s page for XSTO M8 (opens in a new tab) |
Figures are XSTO’s published specifications, checked September 2026. “Not listed” means we did not find that figure for that model. Always confirm the details that matter to you with the seller.