Yesterday I purchased a  2005 Forester 2.5 XT with Prodrive Kit.

 

 

 

Forgot to ask the seller what fuel he preferred to use and I have around 2 gallons left in the tank so I want to make the right choice form the start.

 

 

 

Is it highly recommended that I use a premium unleaded fuel in the XT or can I put some supermarket unleaded fuel in and use a suitable Octane Booster each time?. 

 

 

 

The closest Shell garage is around 6 miles out of the way from us whereas Morrisons,  Asda and Tesco are on my daily route.

 

 

 

What other brands would be suitable ie: Tesco Momentum 99?.

 

 

 

Thank You 

 

 

 

 

There is a thread about this somewhere, general consensus is v-power but anything 99 ron is just as good really so Tesco should be fine, lots of members use it because it is closest.
 
Heres the thread

http://uk.subaruownersclub.com/forums/topic/4804-what-fuel-do-you-put-in/?hl=%2Bwhich+%2Bfuel

I use tesco standard in my N/A forester and actually seem to be getting better mpg than when I use shell. Car runs well too, so you should be fine with tesco momentum :)

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Thanks for the replies.

 

 

 

Think I will give Tesco Momentum a try then and see how it goes.

I always use v power in my race Impreza .. But have opted for momentum 99 in the fozzy also a 2.5 XT and it's spot on once a month il throw in a tank of v power also

How about a 3 litre Outback.....would I get a better MPG return on the dearer stuff?

Tesco Momentum is good plus easy get. I use it in 2 of my own turbo cars, one being a GTiR with stock pistons but boost at 1.3bar, used momentum when it was mapped without complaints & seems fine on it. Most street pump fuels are quite equal but Tesco fuel don't sound so good so not talked about so much as shell .