Honda Activa 125 is better than Honda Activa 6G in some aspects. The Activa 125 comes with a 124cc engine, generating a maximum power of 8.19 bhp at 6,250 RPM. In comparison, the Honda Activa 6G runs on a 109.51cc engine, producing a maximum power of 7.73 bhp at 8,000 RPM.