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CVT and Fuel Consumption

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Green Archer View Drop Down

Joined: 25áJaná2014
Location: South Wales
Status: Offline
Points: 135
Post Options Post Options   Thanks (0) Thanks(0)   Quote Green Archer Quote  Post ReplyReply Direct Link To This Post Topic: CVT and Fuel Consumption
    Posted: 10áSepá2014 at 5:11pm
I drive a 2014 1.6 Tekna CVT Diesel.  Until today I have been extremely disappointed with the fuel consumption.  On a round trip between South Wales and Lincoln I managed an average of just 42 mpg.  I drive quite reasonably, no rapid acceleration etc.  I keep reading on the forums that fuel consumption will improve as the engine beds in.
Anyway today I did a 50 mile each way trip, motorway and dual carriageway.  At the end of the outward leg I averaged 41mpg.  Being really unhappy with this I decided to drive home in 'manual' mode.  Result 55.6mpg which is what I call a result.  This has also increased my average 1 reading quite considerably from mid 40s to over 50.
I need to investigate further, preferably on a quiet stretch of motorway but I am fairly sure that at times when I switched between auto and manual the display would for an instant show D5 but manually I was able to select 7th and continue cruising comfortably.
I have just this minute returned home so as I said, I need to investigate further (monitor mph against RPM) but I wonder if anyone else with a CVT has noticed this.  I am tempted to think that the CVT is not using the full range of the box.
2014 Tekna 1.6dCi CVT Metallic Bronze - Took delivery 9th July
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Tiffany View Drop Down
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Joined: 24áFebá2011
Location: Venus
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Points: 6642
Post Options Post Options   Thanks (0) Thanks(0)   Quote Tiffany Quote  Post ReplyReply Direct Link To This Post Posted: 10áSepá2014 at 5:24pm
Interesting, don't forget to keep updating us,
2017 X-Trail N Vision 1.6 DIG-T Storm White.
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G5 BOY View Drop Down
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Joined: 05áJulá2007
Location: Dorset Coast
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Post Options Post Options   Thanks (0) Thanks(0)   Quote G5 BOY Quote  Post ReplyReply Direct Link To This Post Posted: 31áDecá2015 at 2:54pm
My 1.2 CVT has been showing 36 mpg average and 46 mpg best.

Did a short slow urban trip the other day (normally around 30 mpg) and it showed 59...!!! Shocked.  Don't believe it................... 

................but accepted it as the new best anyway Tongue.

QQ5 (YES 5...!!) 2017 Vivid Blue DIG-T 115 X-Tronic Tekna+
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