Hi,
I have owned a Mazda 6 diesel (136) sport, 5 dr for approx 2.5 years and I tow a Compass Rallye GTE 5.0, which is 1340Kgs (88% match) and am very pleased with it. It tows really well, is nice & stable and seems to have loads of pull. It gives around 44mpg solo & 30mpg towing. Last 2 summers...