| Attribute | Polaris Sportsman 550 EPS 2014 × | BamX BX400-U4 Sierra × |
|---|---|---|
| General | ||
| Production from (year) | 2014 | 2012 |
| Make | Polaris | BamX |
| Model | Polaris Sportsman 550 EPS | BamX BX400-U4 Sierra |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Injection | Carburettor |
| Displacement (cm³) | 549 | 387 |
| Power (kw) | - | 13.9 |
| Cooling system | Liquid | Oil & air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Torque (Nm) | - | 25 |
| Bore (mm) | - | 83 |
| Stroke (mm) | - | 71.6 |
| Gearbox | Automatic | Automatic |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Driveline | Automatic PVT P/R/N/L/H. | CVT Fully Automatic w/Reverse |
| Ignition | - | CDI |
| Lubrication system | - | Pressure/Splash |
| Compression | - | 9.5:1 |
| Chassis | ||
| Front suspension | Dual A-Arm 9 in (22.9 cm) Travel | Double A-Arm |
| Rear suspension | Dual A-Arm, Rolled 10.25 in (26 cm) Travel | Swing Arm |
| Front brakes | Single disc | Double disc |
| Rear brakes | Single disc. Hydraulic. | Single disc |
| Front tyre | 26/8-14 | 25/8-12 |
| Rear tyre | 26/10-14 | 25/10-12 |
| Wheels | 8 Spoke Cast Aluminum. Maxxis tyres. | - |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Carrying capacity | Front/Rear Rack or Box | - |
| Light | Triple 50w High Beam, Dual 50w Low Beam Headlights; Dual Brakelights/Taillights | 12V35W/35W x 2, 12V5W x 2 (front) |
| Instruments | Digital Gauge, Speedometer, Odometer, Tachometer, Two Tripmeters, Hour Meter, Clock, Service Time, Diagnostic Indicator, Gear Indicator, Fuel Gauge | - |
| Dimensions | ||
| Wheelbase (mm) | 1,346 | 1,245 |
| Dry weight (kg) | 333 | 266 |
| Power/weight ratio | - | 0.0522 |
| Seat height (mm) | 940 | 864 |
| Ground clearance (mm) | 305 | 254 |
| Performance | ||
| Fuel capacity (l) | 19.87 | 13.5 |
| Oil capacity (l) | - | 1.7 |