I learned on 3 different cars.
The first was the standard driving school car of the late 90ies. The VW Golf MK IV:
However it was sold before I finished my training and the replacement car wasn't delivered yet so I took a few lessons on a VW Polo III which was the spare car of the school and gas powered instead of the normal diesel engines in training cars:
Finally the replacement car arrived and I got to drive my third car within a few weeks, an Audi A3: