Over the weekend I drove my 911, 500 miles to Washington DC and was surprised to see 30 mpg average for the trip. I was hoping for low 20’s, but did much better then I expected.
My 718 used to get 30 plus on long trips, but the 911? Wow…

 

8th gear working!!

 

You undoubtedly got good mileage, but I have found that my in-dash MPG indicator is optimistic most of the time. When I measure what the gauge says against the more reliable method of dividing the gallonage by the miles traveled since the last fill-up, I find that the actual MPGs are two or three less than what's indicated. I'm wondering whether others have concluded that, too, or whether my MPG gauge is off.

 

You need to learn to drive the car properly.

 

If you are getting more than 10 mpg you are doing something wrong.

 

 

Yep. I can get over 600 miles of range from 1 tank on road trips with 8th gear and cruise control.

 

Interesting, I have yet to make it to 15MPG once

 

Take it to the track and check your mileage. Lucky if you get 115 miles on the tank. Cruising in 8th gear; yes, 500+ miles. Pay to play!

 

Yup, freeway at 72 mph actual (75 indicated) I get 29 mpg actual. Overall, in 10,700 miles I’ve averaged 21.6 mpg. I keep a spreadsheet on all my vehicles so variations in one fill up to another get reduced to an inconsequential fraction.
I drive in a fashion that I’d call spirited.

 

'20 C4S, I drove from Anchorage to Fairbanks this weekend, 360 miles each way. In Sport mode most of the way, pushed along pretty good. Under 18 mpg and I could not care less. The car is just so satisfying so much fine to drive.

 

The key to that picture is the average speed - 65mph. Anywhere around 65-75mph average in highway conditions will get you good economy.

 

I was impressed with this, the car is very comfortable.

 

I was always getting around 300 miles per tank

 

I get 27+ cruising on the highway in top gear, 7sp MT.