Side by side
Comparing XSTO M8 Pro, XSTO X12
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 | All-terrain crossover powerchair XSTO M8 Pro | Stair-climbing mobility robot XSTO X12 |
|---|---|---|
| At a glance | ||
| In short | The four-wheel-drive M8 with fully powered seating and a one-touch rest position. | A stair-climbing, all-terrain mobility robot that keeps its seat level. |
| Good for | Outdoors, Rough ground, At home | Stairs, Outdoors, Rough ground, At home |
| Climbs stairs | No | Yes, with you seated |
| UK class | Not stated by XSTO | Not stated by XSTO |
| UK sellers found | Yes | Yes |
| Performance | ||
| Maximum load | 150 kg (330.6 lb)Maximum load (user plus luggage) | 136 kgMaximum load (user plus luggage) |
| Range | 54 km (33.5 miles)Maximum range (with optional battery) | 35 kmRange on flat ground |
| Top speed | 12 km/h (7.4 mph)Maximum speed | 0–12 km/hSpeed range |
| Slope / climbing | 15°Maximum slope | 15° on wheels, 40° on tracksClimbing ability |
| Obstacle clearance | 100 mm forwards and reversing (3.9 in) | 100 mm front / 220 mm rear |
| Gap crossing width | 100 mm (3.9 in) | Under 180 mm on wheels, under 300 mm on tracks |
| Turning | 725 mm (28.5 in)Minimum turning radius | Not listed |
| Drive | Four independently driven wheels (4WD) with independent suspension | Not listed |
| Stair-climbing speed | Not listed | 25 steps a minute up, 30 down |
| Stairs | ||
| Step height | Not listed | Step height under 200 mm, stair angle under 35°Compatible steps |
| Landing space needed | Not listed | L-shaped turn 1400 × 1400 mm; U-shaped turn 1400 × 2000 mm |
| Drive modes | Not listed | Four-wheel mode, wheel-and-track hybrid mode, twin-track mode |
| Dimensions | ||
| Weight | 72.6 kg (160 lb)Weight without batteries | 115 kg (UK distributor quotes 112.8 kg)Weight without batteries |
| Folded (L × W × H) | 1129 × 610 × 730 mm (44.4 × 24.0 × 28.7 in) | 1200 × 685 × 617 mm (store page; 1185 mm long on the corporate page) |
| Unfolded (L × W × H) | 1235 × 610 × 1287 mm (48.6 × 24.0 × 50.7 in) | 1210 × 685 × 1550 mm |
| Seating | ||
| Backrest recline | 90–135°, powered | 90–121° |
| Legrest | Powered, 100° range | Manual |
| Seat height | 450–730 mm (17.7–28.7 in)Seat height range | 490–762 mmSeat height (lifting range) |
| Seat tilt | 0–20°, powered | -8° to 40° |
| Armrest adjustment | Up, down, forwards and backwards | Not listed |
| Seat size range | Not listed | Depth 380–435 mm; width 390–440 mm |
| Boarding | Not listed | From the front or the side |
| Battery | ||
| Battery | Two backrest batteries, 25.2 V 25.6 Ah each, plus one base battery, 25.2 V 19.2 AhBatteries | Two lithium batteries, 25.2 V 25.6 Ah eachBatteries |
| Charge time | Backrest battery 7 hours; base battery 5.5 hoursCharge time per battery | 6.5 hours × 2 |
| Battery size | Backrest 365 × 90 × 110 mm (14.4 × 3.5 × 4.3 in); base 245 × 130 × 130 mm (9.6 × 5.1 × 5.1 in) | Not listed |
| Controls | ||
| Control methods | Joystick, Bluetooth remote, app (XSTO also mentions voice commands) | Not listed |
| Joystick mounting | Interchangeable left or right | Not listed |
| Wheels | ||
| Front wheels | Omni wheels | Not listed |
| Rear wheels | 12-inch off-road tyres | Not listed |
| Lighting | ||
| Lighting system | Headlights, brake lights, indicators | Not listed |
| Safety | ||
| Sensors | Not listed | LiDAR collision warning, rear parking radar, alert for a drop or step ahead |
| Protection | ||
| Water protection rating | IPX4 | Not listed |
| Next steps | ||
| Find out more | Full details for XSTO M8 Pro XSTO’s page for XSTO M8 Pro (opens in a new tab) | Full details for XSTO X12 XSTO’s page for XSTO X12 (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.