Comparison of BMW R 1100 GS 1999 and BMW R 1100 S 1999 [S]ave
| Attribute |  BMW R 1100 GS 1999 × |  BMW R 1100 S 1999 × |
|---|---|---|
| General | ||
| Production from (year) | 1999 | 1999 |
| Make | BMW | BMW |
| Model | BMW R 1100 GS | BMW R 1100 S |
| Category | Enduro / offroad | Sport touring |
| Engine and transmission | ||
| Engine type | Two cylinder boxer, four-stroke | Two cylinder boxer, four-stroke |
| Fuel system | Injection | - |
| Displacement (cm³) | 1,085 | 1,085 |
| Power (kw) | 58.4 | 71.5 |
| Fuel consumption (l/100km) | 0.66 | 0.64 |
| Cooling system | Air | Oil & air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Torque (Nm) | 97 | 97 |
| Bore (mm) | 99 | 99 |
| Stroke (mm) | 70.5 | 70.5 |
| Gearbox | 5-speed | 6-speed |
| Greenhouse gases | 15.3 CO2 g/km. (CO2 - Carbon dioxide emission) | 14.8 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Compression | 10.3:1 | 11.3:1 |
| Chassis | ||
| Front brakes | Dual disc | Dual disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 276 | 276 |
| Front tyre | 110/80-19 | 120/70-ZR17 |
| Rear tyre | 150/70-R17 | 170/60-ZR17 |
| Front wheel travel (mm) | 190 | 110 |
| Rear wheel travel (mm) | 200 | 130 |
| Other | ||
| Starter | Electric | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,509 | 1,478 |
| Kerb weight (kg) | 254 | 236 |
| Seat height (mm) | 840 | 800 |
| Alternate seat height | 860 | - |
| Front percentage of weight | 50.2 | 50.6 |
| Performance | ||
| Top speed (km/h) | 195 | 220 |
| Acceleration 0-100 km/h (s) | 3.9 | 3.7 |
| Fuel capacity (l) | 25 | 18 |
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