After 4 months, finally a rookie!
Yes, you are right. A is indeed the Gianni Agnelli's Testarossa Spider.
As you know, multiple puzzles have the points awarded at the end. However, one is for you.
What about the others? Some are easy as well, some less...
Cars: A - Gianni Agnelli's Ferrari Testarossa Spider - prototypefan
B - Vittorio Mussolini's Siata Fiat 1500 Mille Viotti - Wendax
C - Gabriele d'Annunzio's Isotta Fraschini 8B Castagna - Majeko
D - Giovanni Lurani Cernuschi's Nibbio - Majeko
E - Queen Margherita of Italy's Itala 35-45 Hp "Palombella" - Pjaray
F - Lapo Elkann's Fiat 500 - Majeko
G - Giorgetto Giugiaro's Ferrari GG50 - Ecnelis
H - Fausto Coppi's Alfa Romeo 1900 Riva - Majeko
I - Guglielmo Marconi's Fiat 50 Hp - Pjaray
J - Fred Buscaglione's Ford Thunderbird - Majeko
Points:Majeko: 5
Pjaray: 2
Wendax: 1
prototypefan: 1
Ecnelis: 1