Sono curioso di sapere se molte persone lo acquistano davvero e vedono qualche differenza? Chiunque ne abbia parlato ha detto che non l’hanno mai comprato. L’unico ragazzo che conosco che lo usa sicuramente è Snake
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di IMAMODDYMAN
29 commenti
Actual ‘premium’ ‘super unleaded’ fuel (with a higher octane rating) doesn’t exist here, it attracts a significantly higher rate of tax and the fuel importers dont seem to bother.
Irish ‘premium’ fuel seems to just be an upsell..
If you have an older high performance car it was recommended but modern electronic fuel injection systems will tailor the fuel injection to cope.
I always buy it by default. I think I read somewhere that it has additive similar to dipetane fuel lubricant
I remember my driving instructor telling me that unless I have a Lamborghini or the like, not to bother with it.
Still once a year, I treat the old bolt and nut to a tank of the ol’ premium go-go juice. Think of it as a Carentine’s day present so my humble KIA can feel like a Ferrari for a few weeks.
For a while my nearest circle K had the premium as the same price of the regular fuel. Only time I ever got it.
Taxi driver here, I do. My mechanic told me he does it so thought it sensible.
I don’t know about petrol but a crowd called Dark side Developments (YouTube), they make race cars, did a test on a bunch of diesels, it was in-depth using tech, and it made absolutely no difference whatsoever to the vehicle they tested.
So the conclusion was, you’re just giving your money away to an oil company because of marketing.
I only put the premium electrons in my car. The regular one negatively impact the battery
Recently bought a ‘18 Lexus. Dealership owner was a legend, real petrol head. He suggested every quarter of the year fill up with premium petrol as the additive helps burn off the carbon built up inside.
So that’s what I’ll do
Yes but only because I put it on the fuel card, if I was paying for it myself Id probably be getting the bus.
Certain cars will need high octane fuels. Certain ‘turbocharged’ cars or imports like Jeep or Subaru.
Some older cars require it too old hi-ace vans and such.
There’s no point in buying it unless the owners manual specifies it’s required.
Nope it’s bollox. Unfortunately we have no high octane fuel here. I’m turbocharging my car and the 95 octane is going to be the limiting factor power wise.
Octane booster is 21 euro a bottle, and a bottle per tank so fairly expensive. Will have to have two maps and run it low boost daily driving and high boost with octane booster in.
They should bring back e85 for environmental reasons, and for performance.
Older motorbikes and cars that have carburettors benefit from there being less ethanol in the premium fuel as ethanol corrodes aluminium and attracts water.
Only ever used super unleaded in my cars.
Burns cleaner.
Lower risk of engine knock or pre-ignition.
100% makes a difference in performance cars, especially if tuned.
If just standard petrol or diesel cars use it every 10th tank with fuel system cleaner.
It will make a difference on down the line when the miles stack up.
No, I just lob a bit of Dipatene into it every month or so.
Once, by accident. I didnt notice any difference.
If a car had regular, and then topped up with premium, can anyone tell me what effect that would have on the car?
It’s easy to fill up with premium by mistake. I reckon filling stations use it primarily to scam motorists.
I’m up in the north. Definitely see better MPG on premium diesel. Can’t comment on petrol
I think premium fuel in Ireland is with some detergents or additives to either improve efficiency or reduce wear, soot or carbon build up. I didn’t use it in Ireland for my diesel, but I did add an injector cleaner or fuel system cleaner to the tank every roughly 5th tank (about 5,000 km). I live elsewhere now where premium petrol is higher octane and lower ethanol content, I put that in my partner’s car as we don’t drive it that much and e10 (10% ethanol) is more hygroscopic and that water is not good for the fuel system (it’s an old car). If you drive a lot, probably no need to use the premium petrol. I do use the premium diesel where I am now for my car (total excellium diesel or shell v power diesel) so I don’t use the additives as often now, it when changing the fuel filter at 15,000 km.
I do, it’s not higher octane like in the Uk or US, but the additives make my engine less clattery
Premium diesel just has extra additives that seemingly do keep the fuel delivery system clean and has been proven to stop things like EGR valves getting gunked up if used all the time. Useful if you’re keeping the car for a long time (which few do).
Same applies to petrols but other countries get higher octane rating which give you more power. Most modern engines can adjust their timing to suit the petrol (more or less power) since they are global engines and the fuel quality globally varies. Tuned cars will need a specific fuel grade. If you imported a car that was mapped for 99 octane and ran it on 95 you’d like blow a piston due to premature detonation of the lower grade petrol.
As a random fun fact, in the US a lot of places use 93 or even 91, so our 95 RON is already what they would be calling “premium”.
Sportier/more premium cars like BMWs etc usually will have their power and performance ratings given in even higher 98 RON, but will take 95 just fine, so no need for us to worry too much. That same car in the US, you’d need to make sure you weren’t putting in any lower than 95 though.
I always wonder…if less people are buying it shouldn’t it be cheaper as a commodity…?
Completely anecdotal but when I got my first car (1L hatchback) I filled it with premium petrol and when I decided to stop after a month or two I noticed a pretty significant difference in power when I was coming off the clutch. Would get up to about 14kmph when I released the clutch, but when I swapped petrols it only got up to 11/12.
I only ever buy premium diesel. It only works out £2-3 extra per tank anyway so why not. I hope it will help keep my injectors running smoothly forever since I plan to drive this car until the wheels fall off.
The cost of fuel adjusted for inflated is at its historic lowest right now.
I buy premium diesel, because it contains additives that regular diesel does not. Those go a long way in keeping the engine healthy in the long run.
I don’t buy premium diesel but I do use JLM diesel extreme clean every 10,000 km.
I put a fill in the bike every now and then. I was under the impression that it burns hotter or something so going through the engine it might help burn some stuff off. Kind of like adding Red-X
I’m lucky enough to have a new G90 M5. I do put premium in it and fuel it in either Maxol or Circle K only.
I’m aware they both probably use Whitegate refinery, that the octane is identical but I’ve heard bad stories about the budget brands.
If you’re running something high-performance from new, I’d defo go premium.