I also still ride my 2018 - Done 10.000 km so farBut as far as I'm concerned, my 2018 Levo may be old. But it's far from obsolete.
Have just changed the motor my self - new one from ebay at 600 Euros
The 2021 version of the 1.3 motor is still powerfull and a lot more silent than the wifys Bosch Gen 4...
Rides like a new bike - almost