So u r asking me to find a 2008 ron 92 fuel to pump into 2013 car ? Where can I get this vintage collect fuel in the market ? Do ur fuel cellar got a couple bottle ?
Wow local made ron 91 collection also u got ?? Must worth a million then as it nevel exist ? Lol....
Bio fuel r merely an gimmick lah ! How come after add in 5% palm, our diesel still euro 2 only ? According to ur logic isn't it suppose to be instant upgrade to euro 4 ? What's 5-10% d bio fuel can do ? Unless u r talking about 100% bio fuel.
GDI engine tuned to 13:1 compression ratio(except ur rotten cabbage one) can run on Euro 2M ron 95 or Euro 4 ron 91, so what make it so difficult for u to understand ?

You can't get RON91/92, our RON95 is good enough to damage your boss' Fatlady 350Z convertible.
You just showed your lack of knowledge on Australia RON91 treated fuel. You don't know different RON grade, different density? Same thing with the biofuel treatment that increased the density of RON91 to run on downgraded injector and combustion.
It is not gimmick, they don't just add in biofuel like that. They have to be processed before could mix with RON91 molecules. Else, they don't mix at all and will damage the GDI engine.
Saw some1 driving his Veloster with 4 adults inside. With style and some practicality. Compared to CRZ, can't even fit teenage kids behind, even small children have to squeeze in. Maintenance wise, the CRZ has to service at 5000km interval yet costs twice the amount of City. Maybe this is good to you? Veloster even beat Sylphy in practicality. Get to chat with the silver Veloster owner yesterday, he got it from earlybird booking. He was ferrying 3 of his adult friends to joyride, FC wise is good, already pumped in few times fuel, average 11km/L in city driving, not yet hit 1000km mileage.