14 August. Friday 2026
BMW C 400 X - 2021 Specifications and Reviews
The 2021 BMW C 400 X is a practical maxi-scooter designed for commuters and casual riders seeking comfort and reliability. Its 350cc single-cylinder engine delivers 34 horsepower with smooth, predictable performance suitable for urban and highway riding. The C 400 X is best known for combining BMW's engineering quality with the convenience and ease of use that defines modern scooters.
General information | |
| Category | Scooter |
| Year | 2021 |
| Model | BMW C 400 X |
Engine and Transmission Specifications | |
| Exhaust system | Stainless Steel |
| Emission details | Closed-loop 3-way catalytic converter, emission standard EU-5 |
| Greenhouse gases | 81.2 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 3.50 litres/100 km (28.6 km/l or 67.21 mpg) |
| Driveline | Chain drive in oil bath |
| Clutch | Centrifugal dry clutch |
| Transmission type | Chain (final drive) |
| Gearbox | Automatic |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | BMS-E2 digital engine management |
| Fuel control | Overhead Cams (OHC) |
| Fuel system | Injection |
| Valves per Cylinder | 4 |
| Bore x Stroke | 80.0 x 69.5 mm (3.1 x 2.7 inches) |
| Compression | 11.5:1 |
| Top speed | 139.0 km/h (86.4 mph) |
| Torque | 35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 6000 RPM |
| Power | 34.0 HP (24.8 kW) @ 7500 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 350.0 ccm (21.36 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Cast aluminum |
| Rear brakes | Single disc. 1-piston calipers. ABS. |
| Diameter | 265 mm (10.4 inches) |
| Front brakes | Single disc. 4-piston calipers. ABS. |
| Rear tire | 150/70-ZR14 |
| Front tire | 120/70-ZR15 |
| Rear wheel travel | 112 mm (4.4 inches) |
| Rear Suspension | Double aluminum swingarm, double springs struts, adjustable preload |
| Front wheel travel | 110 mm (4.3 inches) |
| Front Suspension | Telescopic front fork, Ø 35 mm |
| Trail | 81 mm (3.2 inches) |
| Rake (fork angle) | 26.4° |
| Frame type | Tubular steel with die-cast aluminum sections |
Physical measures and capacities | |
| Reserve fuel capacity | 4.00 litres (1.06 US gallons) |
| Fuel capacity | 12.80 litres (3.38 US gallons) |
| Wheelbase | 1565 mm (61.6 inches) |
| Overall width | 835 mm (32.9 inches) |
| Overall length | 2210 mm (87.0 inches) |
| Overall height | 1305 mm (51.4 inches) |
| Seat height | 775 mm (30.5 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.1762 HP/kg |
| Weight incl. oil, gas, etc | 204.0 kg (449.7 pounds) |
| Dry weight | 193.0 kg (425.5 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Automatic Stability Control |
| Factory warranty | 3 years |
| Light | LED headlights |
| Electrical | 12 V / 9 Ah, maintenance-free battery |
| Starter | Electric |
| Color options | Granite grey metallic, Black storm metallic/Racing blue metallic, Black storm metallic |
Performance Profile & Rider Fit
34 hp
Peak Power
8.5s
0-60 mph
86.4 mph
Top Speed
Best For
Track10%
City92%
Cornering55%
Daily Riding88%
Touring50%
Passenger55%
Rider Profile
| Best For | Suitable for new and returning riders thanks to its automatic transmission, manageable weight, and confidence-inspiring stability control. |
| Purpose | Designed primarily as a nimble, comfortable urban commuter that can also handle occasional short highway hops. |
| Rider Fit | A low seat height and light, well-balanced chassis make it accessible for shorter or less physically strong riders. |
| Character | A practical, refined maxi-scooter that prioritizes ease of use, everyday comfort, and effortless city maneuverability over outright performance. |
| Not Ideal For | Not a fit for riders seeking high-speed touring, off-road capability, or track-level thrills. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 BMW C 400 X is a sleek and stylish motorcycle that offers a smooth and powerful ride. With its powerful engine and advanced technology features, this motorcycle is perfect for city commuting or long road trips. The ergonomic design and comfortable seating make it a great choice for riders of all levels. The impressive handling and braking system provide a sense of security and control, while the spacious under-seat storage adds practicality to this high-performance bike. In addition to its impressive performance, the 2021 BMW C 400 X boasts a modern and futuristic design that is sure to turn heads on the road. The sleek lines and premium finishes make this motorcycle stand out from the crowd, while the advanced technology features, such as the digital cockpit and smartphone connectivity, provide added convenience and entertainment for riders. Overall, the 2021 BMW C 400 X is a top-of-the-line motorcycle that offers an unmatched combination of power, style, and functionality.Add a Comment
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