Sounds like torque converter shudder. Mine had it for several years and it never got any worse. Might be worth changing your transmission fluid and if that doesn’t sort it had a bit of Dr tranny shudder fix.
Not necessarily, it could be a whole host of different things. Perhaps Haldex is low on fluid, the pump has failed, the control unit is not getting a signal? Or many other. You really need to ascertain the fault before taking the plunge.
Loaded or unloaded should not make much difference on a level road at a constant speed. Turbo either works or not (I wouldn’t change one just to save fuel). Drag goes up with speed and things you put outside of the vehicle like roof box, bike carriers, trailer etc. DPF goes through a cleaning...
Sounds about right with a big trailer and a roof box.
I drive to Spain quite often and on the toll roads at steady 65mph, 30 °C ish, Spanish diesel and no trailer etc. then get 35-38 mpg.
But at home round town, in the winter on supermarket diesel I am lucky to get 23 mpg.
So rounding up they...
Not come across it myself but could it be struggling to read the satnav disk under the drivers seat? perhaps give it a wipe? remember center to outside not round the disk.
Two giant schnauzers fit in but they have to get on. As one got older, I tipped the rear seat bases forward and put his bed across so that he didn’t have to jump up and down as high.
When you push the key fob in does the steering lock come off and the immobiliser light go off on the dashboard? Until the steering lock comes off nothing else will happen. (The steering lock turns on all the other computers so not even any fault codes to read) Then the cold starting is probably...