update on diesel consumption in winter.
I havenít finished my latest tank of gas to be able to determine what the final outcome is, but I have seen a lot of activity on this post so I will try to summarize with the following points:
-I have not finished the latest tank, so I have not calculated the actual usage, but according to the trip computer I am back in the ďnormalĒ range of usage. I think currently around 8.9L/100km. This is much more improved from previous were it was closer to 11l/100km (which is why I was shocked.
-It seems that the greatest impact to my mileage was the tires were under inflated. All four were at different levels, but the left rear was extremely under inflated. I topped off the pressure to 2.9 bar which is the recommendation for snows (I think close to 40 PSI).
-I do have a bit of a lead foot, so I have changed my driving style a little bit to be a bit more conservative.
-My daily commute is only about 15km each way. I have noticed that it can take up to 7km for the temp needle to move off zero.
-I currently live about 450 meters above sea level with frequent times upwards to 800 Ė 1500 in December (when I noticed the big drop).
I would have to say that I do notice a drop in efficiency in the colder weather, but I think the larger factor in my case was with the under inflated tires.