On the T5, you have a lot of torque. On the P 1800, everything is more direct, and at least, the gearbox is manual.
The T5 is, of course, much faster. And the experience of a convertible / coupé is extraordinary.
But the P 1800 has an incredible charm. Can you imagine that I NEVER got a fine, with the P 1800? All the cops are very kind with it!
Best,
Nicolas