The only Vegas left have been converted to Buick V6s or small block Chevys for racing. I knew someone who took a Vega and ripped out the inner wheel wells and stuffed a 427 big block in it, beefed up the suspension and brakes and put 6ft wheelie bars in the back. There’s a few Lotus Cosworth Vegas, with the 16 cylinder head and fuel injection, high tech for the time.
We had them in the late 70’s and early 80’s. My dad bought them and bored out the blocks just to get a cheap basic transportation vehicle for family members. One friend put a 283 in one. They were never collector vehicles.
I sold my old cars a couple of years ago— 63 nova SS convertible and 64 nova 4 door (my grandmother’s car), both with 350s. I have my father’s 78 Ford pickup.