Hi. Regarding the Aygo... Pros:
-nimble in town, short steering radius, easy to park anywhere
-cheap to run, insure...
Cons:
-the clutch can be a little strange to handle, with its very high biting point, this might annoy a senior driver (no offense), and this part has always been a weakness on this car, check the amount of ads with a clutch replaced very early
-a rather low sitting car, I noticed that the seat foam tends to collapse with time, I weigh 180 pounds and after a few years, I was sitting a few centimeters lower ^^
-the trunk has a high loading level forcing to lift up shopping bags, take a 5-door to load on the back seats
-everything is cheap, although it is more recent than the 97 Micra, it might seem lower in quality
I love the Aygo but I would go for a Fiat Panda or a Yaris, even a Yaris mk1 😃