Fuel Mileage

NLJ

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How often does it decouple and coast at a constant speed? Maybe on a downgrade, certainly not coasting up hill. How much of a difference have you seen in the actual mpg?
Your theory sounds good, but what are the numbers? How much does the rpm change?
The G80 is different. On the G70 you can Coast uphill. You can Coast while passing as well. It deactivates at a certain incline and decline angle.
I can get 6.7L/100km with Eco and only 7.1L/100km on Smart and 7.5L/100km on Comfort!
 

EdP

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Toddasaurus

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Portland, OR
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We're going on a small road trip this weekend (Sunday) and I'm planning on seeing if I can compare similar stretches of road back to back using sport, vs comfort, vs eco - all without using cruise control, and staying at the same speed.

I'll post my results. It won't be a perfect test by any means, but hopefully it will give us more info.
 

NLJ

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Genesis G70
I assume coasting uphill is to take your foot off the gas and reduce speed..

Translated to US terms that is 35.1, 33.1, 31.3 MPG. I assume those numbers are on the same route and under similar traffic conditions.
Same route. I drive 140km a day round trip for work. All monitored on the return trip. Traffic is the same everyday since it is country roads.
It reduces speed if you let go while going uphill. I normally get past whatever speed I want and Coast down to the minimum speed I want to be at.
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Toddasaurus

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1,082
925
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Portland, OR
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Same route. I drive 140km a day round trip for work. All monitored on the return trip. Traffic is the same everyday since it is country roads.
It reduces speed if you let go while going uphill. I normally get past whatever speed I want and Coast down to the minimum speed I want to be at.

There ya go. Better MPG in ECO when on country roads. According to your results, over 10% better with ECO vs Comfort!
 

EdP

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Toddasaurus

REEEEEEEEEEEEEEEE!!!!!
1,082
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Portland, OR
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That is a pretty good difference. I'd still like to see the difference on a highway cruise at a constant speed like you would do on a long trip. With more city driving you may even beat the 10% a bit

I'm down with that. Hopefully I can give us additional info on my upcoming trip. Would you like to see the comparison with cruise control on? Or should I just drive the old fashioned way? I'll be doing Comfort vs ECO.
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EdP

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