Mileage
#1
#2
I am beginning to discover the spousal effect on fuel economy. When my wife is in the car, I can average well over 26 miles per gallon. When not, I usually don't do any better than about 18. I have concluded that her presence makes the car more aerodynamic.
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#4
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#5
#7
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#8
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#10
Dave
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mshedden (04-24-2016)
#11
I'm regularly getting 29-31 mpg tank average on mostly highway driving from my house to Denver. I really haven't driven almost at all in towns. Speeds are 70+ cruising and ??? when passing. I record all gas purchases and mileage for every tank and calculate it myself. Computer estimates are 2+ mpg too high. Mine is a base coupe, auto. with few upgrades, so I'm a little lighter that most of you. I haven't had a chance to weigh it yet, but I will soon and post the result.
#12
#13
Average for me, life of car (~8500 miles):
Calculated: 18.8mpg
Indicated: 20.2mpg
My lowest economy tank was 14.9mpg, my highest 22.4. I have not been on any extended road trips, and my commute is pretty consistent. My next fill-up won't be so good though. I had two days where I climbed the hill out of Berkeley quite literally idling in first at 1-2mph.
Calculated: 18.8mpg
Indicated: 20.2mpg
My lowest economy tank was 14.9mpg, my highest 22.4. I have not been on any extended road trips, and my commute is pretty consistent. My next fill-up won't be so good though. I had two days where I climbed the hill out of Berkeley quite literally idling in first at 1-2mph.
#14
Yep, the difference is a US pint is 16 fl oz, a Canadian/British pint is 20 fl oz, and the rest follows from there.
#15
I'm regularly getting 29-31 mpg tank average on mostly highway driving from my house to Denver. I really haven't driven almost at all in towns. Speeds are 70+ cruising and ??? when passing. I record all gas purchases and mileage for every tank and calculate it myself. Computer estimates are 2+ mpg too high. Mine is a base coupe, auto. with few upgrades, so I'm a little lighter that most of you. I haven't had a chance to weigh it yet, but I will soon and post the result.
#16
Wow! 25+ reported by most of you.
My 15 R Coupe gives me only 14-15 mpg in my daily commutes (2.5 miles in downtown and 4.5 miles on freeway - one way). About 50% of the time I am in Dynamic mode and enjoying what the exhausts have to say that day.
If I do go on longer drives and use cruise control for 65-70 mph, I get 20-22 mpg at most.
Throughout my life I've always seen 15% more fuel usage in my driving - no matter what the car or road. But looks like I am indeed missing on another 20% on this cat.
* All measurements are manual and in US metrics unless otherwise stated.
My 15 R Coupe gives me only 14-15 mpg in my daily commutes (2.5 miles in downtown and 4.5 miles on freeway - one way). About 50% of the time I am in Dynamic mode and enjoying what the exhausts have to say that day.
If I do go on longer drives and use cruise control for 65-70 mph, I get 20-22 mpg at most.
Throughout my life I've always seen 15% more fuel usage in my driving - no matter what the car or road. But looks like I am indeed missing on another 20% on this cat.
* All measurements are manual and in US metrics unless otherwise stated.
#17
Very astute, but I thought everyone knew that. However, those are mpg's averaged over the tanks, and that's round trip. My destination in Denver is just off the freeway, and I do little driving in the city, less than 5% of the tank.
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jaguny (04-26-2016)
#18
just messing with you.I am quite jealous. I miss my 45 minute commutes up and down N. Turkey Creek canyon into Denver each day in my C4 Vette.
#20
When a car equipped with one, it operates on the same principle as a boat anchor.
So far, I don't get better than 25MPG highway average and that is cruise-controlling speed limit.
So far, I don't get better than 25MPG highway average and that is cruise-controlling speed limit.
Last edited by SinF; 04-24-2016 at 08:39 PM.