I’ve got the 143 diesel and love it. Super comfy on long trips. Manchester – Nequay easy without a stop. As above zero legroom in the back if the driver is tall and the boot isn’t massive but I can still get two bikes (wheels off) in the back with loads of room to spare.
It handles well. I’ve had a bit of uneven tyre wear apparently due to the independent rear suspension. The last guy who fitted new tyres said just to make sure tyre pressure is exactly as stated and it should be fine.
Personally I’d make sure the stereo has the Mmi interface, and sat nav. It’s an expensive retrofit and whilst you can run music from a sub stick I’d prefer to have my old iPhone in there.
Other than that, they’re awesome and significantly cheaper than a much older Audi equivalent.