S5 fuel & the first 1000!

Swelli

Registered User
Forgive me is there are other existing threads regarding fuel and running in topics but I could do with some advice from existing S5 owners please.

1) Would you recommend using premium fuel?
2) Do you recommend a running in period for the first 500/1000 miles?

Feedback is much appreciated.
 

Joetidman

Registered User
Yes, I only use shell v-power in mine, and yes I tried to keep below 4000rpm for the first 1000 miles and then built up my revs thereafter


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KBB

Registered User
V-Power here too. My dealer said I shouldn't care about the run in period, there is no such a thing these days, so I've hammered it from the beginnings:)
 

ChrisH370

Registered User
Yes, existing thread is called S5 MPG.
I don't believe in using a higher octane rating fuel (i.e Premium) than the manufacturer recommends on the fuel cap,for the S5 that's 95 RON.
I got 40 mpg on a 250 mile trip when mine had done 1000 mls in Efficency / D mode so am quite happy with that.
 

Swelli

Registered User
So being a person who does not undestand the RON. Does this mean they recommend standard unleaded?

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ChrisH370

Registered User
Yes, RON standards for Research Octane Number, that's ordinary unleaded (its 95 Octane in old fogey talk ) as opposed to super unleaded.
 

orcomma

Registered User
I use tesco momentum 99 RON in mine, not an S5 just a TFSI 190 but it's the same price as ordinary 95 at a BP garage! and clubcard points too lmao :tearsofjoy:
 

QuattroCalum

Registered User
Last time I got V Power it was 20 p A LITRE more, won't be back at Shell, negligible difference between it and Tesco Momentum anyway. Turbo cars prefer 99 ron N/A cars no difference so pointless really.


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Joetidman

Registered User
Remember it's not just about RON but also the additives that prevent carbon build up around the valves


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QuattroCalum

Registered User
Remember it's not just about RON but also the additives that prevent carbon build up around the valves


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True, a catch can from factory would help, can't see that ever happening though, one of the downsides of direct injection.


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ChrisH370

Registered User
I thought this was a problem with the V8 in the previous S5 and they had designed the new Turbo V6 to minimise carbon build up.
 

Joetidman

Registered User
I thought this was a problem with the V8 in the previous S5 and they had designed the new Turbo V6 to minimise carbon build up.

Always happens to some degree though with any direct injection motor. I had real problems on my old scirocco 2 litre 4 pot. The extra additives and detergent in the premium fuels should help though as well as the higher RON causing a later burn

https://www.google.co.uk/amp/s/reco...-it-worth-buying-shell-v-power-nitro-fuel/amp

http://www.frontseatdriver.co.uk/2014/03/is-shells-super-unleaded-really-super/


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ChrisH370

Registered User
I'm not sure using 99 RON fuel actually helps reduce carbon build up v's 95 RON fuel from the the same company - Shell.
As I don't keep my cars that long it's not been an issue and don't see spending out on top notch fuel for the next owner's benefit.
All my cars have run perfectly well on 95 RON.
 

RAF_S7

Well-Known Member
Gold Supporter
I use Tesco Momentum in the S7 whenever I can, and Shell-V if there is no Tesco in the area. The price difference between Momentum and Shell-V is significant, there is no difference in performance :racer:
 

QuattroCalum

Registered User
I use Tesco Momentum in the S7 whenever I can, and Shell-V if there is no Tesco in the area. The price difference between Momentum and Shell-V is significant, there is no difference in performance :racer:

X2


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SRB93

S5 B9 Coupe - Glacier White
How many miles do you guys get out of one tank respectively? (Maybe a difference in driving style)
 

xpoweruk

TTTS 8J Smile Machine
Unless the engine is injecting fuel before the valves,the additives wont make a difference to the usual inlet valve carbon issues
 

KBB

Registered User
How many miles do you guys get out of one tank respectively? (Maybe a difference in driving style)
240-260, with mixed city/country road some motorway.
340 was the best for me so far on mostly motorway.

It is actually quite easy to figure out my mpg, since I usually put about 10 gallon of fuel in, when the tank is close to empty, so whatever miles I've driven divided by 10 thats the mpg.
 

SRB93

S5 B9 Coupe - Glacier White
240-260, with mixed city/country road some motorway.
340 was the best for me so far on mostly motorway.

It is actually quite easy to figure out my mpg, since I usually put about 10 gallon of fuel in, when the tank is close to empty, so whatever miles I've driven divided by 10 thats the mpg.

Thanks, I'm just trying to work out on average how many times I'll need to fill the car up P/M. Running some personal outgoings for myself.
 

lozzermo

Registered User
I tend to use v power, have done so on last 3 cars.

Have had S4, S3 and current S5 and never really bothered with running in at all and not had any issues whatsoever, but then I tend not to drive it like I stole it as if I break it it's my hard earned cash down the pan!
 
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