Try LPG FORUM www.synweb.co.uk/lpg/
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"This was presuming the same 35 mpg with petrol as LPG. I have since learned that LPG economy can be about 10% worse."
It's always been at least 20% down in my experience
I wouldn't bother with an LPG conversion unless it is a big-engined vehicle and you intend keeping it for a while
MG-Rover Questions? Click on www.mg-rover.org
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Calculations by Vauxhall suggest that in the course of 75,000 miles, an LPG-converted car will save you around £3200 (that figure includes a £400 adjustment for the expected lower trade-in values)
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Interesting.
LPG Conversion ----> Lower Trade-in Values ????
I would have expected a HIGHER trade in value.
(1) Car cheaper to run as LPG half price with slightly poorer MPG
(2) Car has greater range (if using both Petrol and LPG)
With 9,000 miles per year at 35 mpg (1.8 petrol) it's probably not worth it, especially if trade-in is lower. Just interested that's all.
FfCP
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Lower trade in values are because the car has been 'messed with' and potential troubles could be costly for a dealer to put right prior to sale
MG-Rover Questions? Click on www.mg-rover.org
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What about the trade in value of a factory LPG model?
I can confirm that with my Vectra SRi 2.0 the mileage is around 22% down on LPG compared to petrol(25 mpg v 32). This was a factory model with a 75% grant towards the price premium through the Powershift scheme.
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