Quote:
Originally Posted by waldedw
When it's -35 and your warming up and idling more it's really hard to get good mileage, even on the hiway when it's this cold I find both my vehicles use more fuel, the last tank in my duramax was over 19 mostly around town and a couple trips out to vermillion so maybe 200 km hiway
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Definitely, they all burn more fuel in the cold weather.