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I’m hoping someone can help me.

I understand the main ways to save fuel; check tyre pressure, engine oil, cars weight…

but I just can’t figure why my efficiency is decreasing. I’ve got a 2017 Edge sport 2L 207bhp. I got it in 2018 and got an average of 34mpg around town and a little but more on longer journeys. 
 

3 years later I’m now getting only 26mpg even after my recent service. Am I missing something? I’ve had the full service with new filters, checked tyre pressure, taken everything out of the back to reduce weight. The only thing I need in the next 12 month is a gearbox oil change which I wouldn’t think affects efficiency.

Im only driving it at the weekends at low speeds + I can’t even go anywhere anyway!

Does anyone have any ideas?

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How are you determining your fuel consumption? If you're using the onboard computer it can take time to settle after resetting it. By far the best way to work out how many miles to the gallon you're doing is to fill the tank and note your mileage. Then when the tank is nearing empty, fill up again and note how much you fill up with and how many miles you've travelled since the last fill up. If you do that two or three times it is a much more accurate way of doing things.

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26mpg is probably about right just town driving especially shorter trips also depending on how heavy your foot is. They don't do great, especially in stop start traffic. Were you maybe easier on the throttle when you first got the car?

I average 35mpg in my normal driving which is around 15 miles to and from work being a mix of motorway and a little bit of town roads.

Took a 300 mile round trip past several days all motorway (75mph cruise control) apart from few miles of hotel to destination for a couple days in between and came back with an average of 45mpg.

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  • 3 weeks later...
On 3/26/2021 at 7:46 AM, Trent Edge said:

26mpg is probably about right just town driving especially shorter trips also depending on how heavy your foot is. They don't do great, especially in stop start traffic. Were you maybe easier on the throttle when you first got the car?

I average 35mpg in my normal driving which is around 15 miles to and from work being a mix of motorway and a little bit of town roads.

Took a 300 mile round trip past several days all motorway (75mph cruise control) apart from few miles of hotel to destination for a couple days in between and came back with an average of 45mpg.

Totally agree with Trent Edge here. My 180 is turning 43Mpg with short B roads and dual carriageways. I would hope to achieve 45+ when we go back to normal use, but my engine is multi-map chip tuned (tuning in progress).

 

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