| Road speed (Km/h) | Vehicle class | Rolling noise dBA | Power train noise dBA | Total noise dBA |
| 20 | Heavy | 61 | 78 | 78 |
| Light | 58 | 64 | 65 | |
| 80 | Heavy | 79 | 85 | 86 |
| Light | 76 | 74 | 78 |