A bit of both. First, let's start off with the fact that any high performance car tends to need more TLC than the family Chevy station wagon. Alfa. like most cars is more reliable today than they were 20 years go, but there are always some better than others. I'd not buy a Fiat either. This is a bit more up to date though
Are Alfa Romeo reliable? An Honest Look at the Car Brand | OSV
A couple of excerpts:
And of course, in the Which survey, Alfa Romeo came in the top 5 for most unreliable car manufacturers, with a reliability score of just 69%.
Another study reported by the
Express found that Audi came 28th out of 36 for reliability. It did beat Alfa Romeo, however, who came 33rd.
Lexus, on the other hand, are in a whole different league. Consistently in the top 10 for reliability, Lexus came 6th in the Telegraph survey, with just 1 in 101 vehicles suffering engine failures.