Bunkers were actually 3x, but R* discovered the players were happy so they cut it to 2x, the bastages.
Grotti GTO on the podium, worth a few spins. I still have not won a car in probably 50 spins. Kamacho still not on sale.
For any new players thinking of going for the free deal this week, there is also a 500k log-in bonus during May (GTAO-only, not story mode). So you'll have a cool half-million very early on. That can help get you on your way. It takes a few days to hit your account though. 500k is enough to buy a high-end apartment with plenty left over to arm yourself (and pistols are free this week!)
If you register with Rockstar Social Club you'll have access to a free Elegy, which is very much like a Nissan GT-R and one of the best sports cars in GTA (can be used in story mode or online). I still drive mine a lot.
Animals flee this hell, the hardest stones cannot bear it for long. Only men endure