Skoda octavia 1.9 TDI - tows 1400kgs and weighs less than 2t so I'm never over the 3.5t limit and trailer never outweighs vehicle. Tows easily, 25mpg fully loaded, done 153k miles now (shedloads towing) and never let me down. Skillfully driven can manage offroad in slightly wet conditions but obvs will never match a 4x4.
about to do trailer test and upgrade to a Skoda Superb, can then tow 2t same fuel economy, same skoda reliability and longevity 8) towcar of the year 2014.