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Quote: Originally posted by Emmomcm on 20/2/2015

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Hi there,

We have a Volvo S40 2009 2litre Sport, with a kerb weight of 1500kg. We are looking for a six berth caravan, very much second hand so we don't have a lot to choose from. The Sprite Major 6 2007 we are looking at buying has a MTPLM of 1427 and this means we would be towing 95% of our cars weight. I know 85% is preferable but what I am asking is are we being irresponsible towing this weight? My husband has been towing our old caravan for two years and is a confident driver. Is this enough? Does anyone else tow above 85%?

Thanks.

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Yes, I’ve been towing in excess of 85% ratio for years. I think my present outfit is about 98%. I reckon a lot depends on the geometry and the dynamics and efficiency of the cars suspension. Basic physics says that the bigger the lump of car at the front, the more control it will have over the lighter lump of caravan on the back. But, it’s not basic physics. A modern car with taut suspension and little overhang between the back axle and the draw hitch will be much more stable than an old car with a big boot and a draw hitch further back. If the caravan is carefully loaded, keeping any heavy items over the axle and well away from the rear of the van it will have less tendency to swing around than if the weight is badly distributed. It’s also worth keeping the tyre pressures up to the maximum on both the car and the van. I personally believe the 85% guideline was set up many years ago when car suspension systems were quite crude and when engine output was quite low.  Just take it steady at first and gradually gain confidence.