| S90 Premium -A | S90 Premium -B | S90 Premium -C | |
| High pressure spray water | 50-100 Bar/Kg | 50-100 Bar/Kg | 50-100 Bar/Kg |
| High pressure pump | PF45 | PF45 | PF45 |
| Motor for pump | 15kw | 15kw | 15kw |
| Motors for Air dryer | – | 4*5.5kw | 6*5.5kw |
| Under chassis wash | Yes | Yes | Yes |
| Pre soak | Yes | Yes | Yes |
| Magic shampoo | – | Yes | Yes |
| Water wax | Yes | Yes | Yes |
| Wash Bay Sizes（mm） | 6305*3500*3200 | 6805*3500*3200 | 6805*4300*3200 |
| Max Vehicle Sizes（mm） | 5400*2600*2050 | 5400*2600*205 | 5400*2600*2050 |
| Warranty | 3 years for main parts(motors and Pump) | 3 years for main parts(motors and Pump) | 3 years for main parts(motors and Pump) |
| 1 year for wearing parts | 1 year for wearing parts | 1 year for wearing parts |