We left Yorkshire on Thursday morning for our first trip in the new MH. The first 2 miles was a kangaroo ride then it cleared, so we carried on. The vehicle seems underpowered with a very strange gear change. Friday morning, leaving Buchy we had the same problem. The dealers telephoned me about a problem with the heater. I told them about the Fiat and they said that I must remember that the vehicle was heavier than our last one and I should expect a difference! They suggested I should run in automatic mode. I did as suggested and a learner driver could do smoother gear changes than the autobox. Our last comformatic box was great. We have changed from a three litre to a 2.3 but the same Bhp. The vehicle has little loaded weight so is probably lighter than the previous MH. I will telephone Fiat Assist, but wonder if anyone has any ideas. I have a bad internet connection so apologise in advance if my replies are slow.