Take it to someone that knows what they're doing. They screwed up the camber that badly it's as bad as the experiences I have had with "tyre shops". I've done better adjusting blindly in my garage. Also the rear toe seems to be excessive.
New 02 sensors should help it, if you haven't replaced them recently. Apart from that, it's usually AFMs crapping out. I once got 10.5L/100km driving up to Newcastle and back to Sydney. That was when the AFMs were still good. Big fluke as it never dropped below 12L.
I've never filled up more than 65L, I don't run my cars that low on fuel.
Generally I get 450-500km to 60L combined, that's with minimal boosties of course. Lately I've struggling to get to 400km (for 60L), too much thrashing.
Spotted white R34 GT-R on Thursday, gave the curry driver a thumbs up haha.
Also spotted a white R32 GT-R today around 12:20 turning onto Cowpasture Rd.