GolfGTIforum.co.uk
Model specific boards => Golf mk5 => Topic started by: luvmygti on 14 April 2010, 11:16
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Hear's one for descussion
Just a thought, but has anyone got or looked into a LPG conversion for the GTI? Would the fsi even run on lpg? :huh:
Ive heard it doesn't affect performance :evil: or mpg but is loads cheaper to buy about 60p ltr, so after reading the V-power descussion and all agreing how fed up we are with fuel bills it could be the future!!!
I hope i dont get shot down for tis idea
Matt
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Running cars on LPG is very tempting when you see the price of it (half the price of petrol) and I have looked into this in the past albeit at one of the Volvo Bi-fuel models which have a factory-fitted LPG system.
Not sure if you could fit an LPG kit to the GTI due to the FSI system, I would imagine it would be hideously complicated.
A few points to condside though is that cars that are converted generally produce 10% less power running on LPG than on petrol, and also lose 10-20% of their fuel economy, although this is possibly due to the system not being optimised. You also lose a fair chunk of bootspace to house the donut tank and have to get the system certified every 12 months (I think) which costs about £100 (this is all rough from memory, so I stand to be corrected).
Thing is, I find the 2.0 TFSI to be surprisingly economical engine when driven steadily (i've seen 42mpg average on a run) and in normal driving the GTI has sensible fuel costs, so not sure if the cost of the conversion would be worth it?
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Is LPG value for money? YES IT IS!! Now I can't say whether the GTI is good for it, but lets just go with the economics.
I do an average of arounf 16k miles a year, lets say 300 miles a week. Now when I had the GTI I could get at best 400 miles to the tank, so we'll go with a driving miss daisy approach to our maths!
Even if we get a 25% reduction in range with the LPG conversion (so now 300 miles to the tank) the figures are as below:
Golf GTI
Range: 400
Cost per litre unleaded: 122p
MPG: 33.06
Cost per mile: 16.775p
Cost per week: £50.33
Cost per month: £201.30
Cost per year: £2415.6
Golf GTI LPG
Range: 300
Cost per litre LPG: 60p
MPG: 24.80
Cost per mile: 11p
Cost per week: £33
Cost per month: £132
Cost per year: £1584
So the saving over a year is nearly a grand, which pays for the LPG conversion after only 12 months - and this was with very biased figures towards unleaded, I am sure the difference will actually be a lot more in real terms.
Ok that's for me doing a lot of miles, probably not the same for lower mileage drivers... but you get the drift ;)
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LPG is good value...for now... Once it's popular the government robbers will make it as expensive as they want.
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Yes that is also true - I'm surprised it hasnt been taxed in line with standard fuel already!