TDI_smurf

Took a 135 mile trip today with 4 adults, 1 dog and luggage. Averaged 27.6 MPG with average speed of 70. (Was doing 80 most of the journey, had 2 short traffic jams that brought the average down)

Also, the last picture is the my new Q7 which I haven't shared yet. Just got it in November and very happy with it so far.

jetsfan101

thats about what the 2014s are estimated at for hwy. My 2010 gets 25mpg at 70-80mph runs, which is also what the book says for that model year. 25 or 28, still great mpg for 5500lb tanks

TDI_smurf

yup pretty happy with it. At 1.86 for a gallon of diesel... can't beat it.

AvantMore

I have a 2015 TDI and I can't get better than 23 MPG... I usually average 22 mpg. I run my tires at full pressure. I have a bit of a lead foot, but even when I ease up, I don't get above 23. Any suggestions or ideas??? I have my 25K service coming up, so I can ask them to check things out based on suggestions here...

Thanks in advance.

J. Patterson

If you are talking about mixed driving, then 22-23 is about what ours gets too. Long term fuel mileage if I don't reset it typically falls at 23 mpg.
On the highway though at steady cruising speeds of 70 -75 mph, ours will consistently record 27- 28mpg 600--650 miles per tank. I've seen 29 -30 when I loafed.

Jayhawk94

Another data point: 2013 TDI with roof bars (no box etc), ~650mi trip across the continental divide and into high desert. Average 72mph with a return of 25.5mpg

AvantMore

Thanks for the additional data. I guess with my stop and go traffic commute combined with my lead foot, I'm not such an outlier after all...

j4g3d

4.2 TDI 2007 here with i think about 17MPG around town and 32MPG on long trips.

J. Patterson

You are quoting Imperial gallons rather than US gallons are you not?
If so, your 32 mpg equates to our 26.6. Still quite impressive.

https://en.m.wikipedia.org/wiki/Gallon

Edd W

I have an un-modified 4.2 tdi and I never get more than about 28mpg on a long run.

I would be more than happy if it even reached 30 mpg but as an example, I did a 300 mile trip yesterday at quite 'decenbt' speeds and it averaged about 25mpg.

These are full fat UK gallons, not the pathetic little US ones!