Well my 65 plate V40 R design geartronic T3 is 3 years old in January next year. For the last year Ive only put in super unleaded. It goes much better and economy is slightly better. My car only comes out at weekends so is driven on longer trips not around town. I get between 400 and 500 miles from a tank.
Ive noticed that as engine has loosened up it is much better. Currentl done 11700 miles.
So answer is yes. Super unleaded is worth it in my view.
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