Indeed, my LPG'd car will change over to gas within about 30 seconds this weather, and in about a mile from cold start on a freezing day, or as is the usual case by the time i've put me work stuff in the boot and cleaned the windows of condensation or frost, whichever, changeover has occured.
As for OP question, yes there is very slightly less power on gas, so if the car you are contemplating is underpowered in its normal petrol form LPG won't help.
Having gone for LPG i wish i'd done so years ago, i have no regrets, it is now my fuel of choice with Toyota (only) hybrid coming in a close second, Diesel is off my future shopping list unless a rare unmissable bargain presents itself, too expensive to buy, fuel and maintain properly especially now with increasingly dubious complexity.
As for buying a dual fuel from new car, not too sure thats the best choice, some car makers as drivers of many makes are finding out are only interested in the car lasting til warranty runs out, a well chosen independent LPG converter wants repeat custom and needs a good reputation to stay in business.
German cars seem to do well generally with LPG conversions, valve seat recession isn't poking its ugly head up too often as it seems to with some others, though my indy LPGer assures me that Lexus models he has converted are showing no probelms after huge mileages, i see no reason for him to mislead me, it should all being well be many years before my old MB pegs out, but he always fits a Flashlube system for belt and braces support, a requirement of mine anyway.
Edited by gordonbennet on 12/07/2012 at 10:15
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