Quote:
Originally Posted by JohnnyGrey
That's a bit of a stretch. I'd say 1.5x is more like it on the coldest of days.
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Maybe depends on the car, but mine is @ 3x normal fuel consumption rate immediately after a cold (-7C) start (but not for long):
Mini-experiment: cold start fuel consumption and warm-up time
I haven't repeated this in summer weather. Probably should...
And of course the actual warm up time is much shorter than that, because I never idle my car to warm it up, and usually use a block heater
