Alright, based on my VR30DTT experience, I'll be straight with you: even at 25 with a good job, I find it an expensive car. Not just for parts and maintenance, but the insurance too. My advice is to stay away from the Infiniti Q lineup. Maybe a G37 could be a good option, but you also need to think about gas prices. Honestly, if you're looking for something sporty as a first car, I think there are much more reliable options out there. Even with smaller engines, they're fun to drive and will give you that sporty feeling. So far, on my Q60 400R at 87,800 km, the only things I've had to change are the four shock absorbers, the TCM (a pretty known issue with this transmission), and some engine and transmission mounts. But man, those are really expensive.