Comparing a Mustang of any vintage or pedigree to an Aston Martin is more than an apples to oranges comparison. Guys who are in the market for a DB9 usually aren't looking for a GT500 Mustang, and vice versa- two completely different worlds.
Yep. Track day or morning run on a twisty road the Mustang would be my choice but the Aston is a GT car. Spending all day in it at high speeds on a variety of roads is where it excels.
Dave Demauro wrote a whole series of articles about life with a used Aston as a daily driver -
https://jalopnik.com/here-s-what-it-really-costs-to-own-a-45-000-used-aston-1781264600 is one of them.
Frankly, if it's been maintained and you want to do it why not? Cars are not investments for the most part - enjoy what we want.
