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      08-01-2012, 07:48 AM   #1
orcomma
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the fuel economy thread

What mpg or l/100km are we all getting then? Im averaging about 58.5 mpg (4.8 l/100km, 48.7 mpg US) for 50:50 motorway/urban driving in my 116d, which I am happy with.

Last edited by orcomma; 08-01-2012 at 07:50 AM. Reason: added conversions to other measures
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      08-01-2012, 08:36 AM   #2
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I get 4,6 l/100km for country roads and 6,0 for urban traffic.
It's a 120d.
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      08-01-2012, 08:46 AM   #3
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Quote:
Originally Posted by Superspeed View Post
I get 4,6 l/100km for country roads and 6,0 for urban traffic.
It's a 120d.
Wow...thats amazing for a 184 hp car... What average speeds?

I once read that the 120d had the best relation between power and consumption, but didn't expect that!
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      08-01-2012, 10:41 AM   #4
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Averaging 50 mpg (5.65 l/100) + combined driving and I live in a hilly rural area! But I have seen up to 75 mpg (3.77 l/100) returns on steady flat motorway trips very happy with 120D Auto box economy in eco pro and performance if switched to sport + (but I will definitely re-map when one becomes available)

Additional note: The terrain you travel over has a major impact on fuel returns, hills totally ruin any decent mpg.... You could be down to 20 mpg (14.12 l/100) or less on minor gradients
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Last edited by Koalway Kid; 08-01-2012 at 03:09 PM. Reason: Add mpg conversions + additional note
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      08-01-2012, 10:43 AM   #5
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Quote:
Originally Posted by Carto4 View Post
Wow...thats amazing for a 184 hp car... What average speeds?

I once read that the 120d had the best relation between power and consumption, but didn't expect that!
Last weekend I had a trip in the Norwegian mountains. Start in Oslo at sea level, then up 1000 m and down to Oslo again. 350 km distance, average consumption 4,6. Average speed 80 km/h. No aggressive driving, just cruising. A typical figure on coyntry roads, and it has gone down since I got the car in May.
Tight city traffic is 6,5 l/100km, but normal figure is 6,0.

Even when pushing the car heavily it doesn't drink very much more!

I am very pleased. Less consumption than my previous 71 hp Smart 1,0

Edit:
Norwegian speed limits are low - Max 100km/h on the relatively few motorways.
80 km/h on country roads. Cruising the Autobahn in 180 would of course give other figures.....
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Last edited by Superspeed; 08-02-2012 at 01:24 PM.
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      08-01-2012, 11:20 AM   #6
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6,6 l/100km
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      08-01-2012, 12:36 PM   #7
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superspeed I got pretty much the same figures as you with my 120d manual.
Here is an example-photo taken during my ~6000km eurotrip this summer, been driving 90% highway at 120-140km/h for 844km and ended up at 4.7l/100km as seen below. A couple of traffic-jams and roadworks like seen in the pic of course bring the avg-speed down.. :



usually ended up around that consumption during the trip.. 90% highway @ 120-140km/h with a few stops and slow parts here and there through most countries was the most common driving-pattern. Except for germany of course where the consumption went up together with the speed (whenever it was allowed) =) was pretty good still I'd say... looking at current consumption with cruise-control @ 180km/h it was around 8.5l/100km. Flat out 230km/h was 16.0l/100km

driving around back home mostly back and forth to work about 50/50 urban/highway I'm around 6.4l/100km.

overall consumption since new (covered a bit over 10.000km so far) is 6.2l/100km if I remember correctly.. might have come down abit more even. At the beginning when the car was new it was more around 6.5-6.7 with the same driving pattern.
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      08-01-2012, 01:58 PM   #8
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our use 4.3 l / 100km highway and 5.2 l Urban.
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      08-01-2012, 04:11 PM   #9
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52.3mpg on my first full tank.. Think that works out at 5.3l/100km ?

118d M Sport, 600 miles on the clock.

60% 60mph A-road
30% Motorway
10% town
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      08-02-2012, 03:19 AM   #10
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116i Auto, after 12.900km the average consumption recorded in the BC is 8.8lt/100kms.

Depending on driving conditions, I usually get the following:

- Highway driving with avg. speed of 130km/h (driving between 120-180km/h) I get from 7.5 to 8lt/100kms.

- Highway driving, with speed between 90 to 130km/h, I get 6.5 to 7lt/h. I also saw 5.9lt/100km on a few trips, but I was driving in Eco Mode and with consumption in mind, so no harsh acceleration and pedal to the metal moments!

- City driving. usually I am around 9lt/100km, but if there is traffic jam I have seen as high as 14lt/100km (it is when it takes 30mins to cover a distance of 5 kilometers).

Note: I never use the Auto Start/Stop function.
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      08-02-2012, 03:33 AM   #11
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Hearing your figures, I am very disappointed..

True, I drive 80% around town, in 4km trips (most with cold engine) on my way to work and back (so total of 8km a day) and the occasional spins around the block.
With the additional 20% being highways at around 120kph.

I get 8.7l/100km - and I am babying it !!
Also, that is in ECO mode.

Same pattern in Comfort gets me ~9.2l/100km...

My driving pattern is almost car torture, but still, I was expecting it to be way better
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      08-02-2012, 10:51 AM   #12
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With my 116i the average consumption is 6,1l per 100k, only 3700k done so far. Mostly on comfort, but very much enjoying the sportmode from time to time

We went to Austria in july, up in the mountains and through Germany (so speeds up to 190kmh, usually 140-150) and my average was only 6,2 (1600k trip).
Very, very pleased with my figures!
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      08-02-2012, 11:11 AM   #13
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I think I have the record with my 116i, then. 19 L/100 km!

That was on a race track, though! :-)
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      08-02-2012, 12:37 PM   #14
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Any inputs on my figures, then ??
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      08-02-2012, 01:14 PM   #15
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Quote:
Originally Posted by qwas View Post
Any inputs on my figures, then ??
No, I think those figures are what you must expect when you almost only drive with a cold engine. You should have had an electric car.
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      08-02-2012, 03:18 PM   #16
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116i Auto. I have 13000km av cons 8.9lt/100km. I drive mostly 48km per day 50:50 in town and highway, mostly in eco pro mode. My record is 6.8lt/100km on trip of about 600km in eco pro mode. Compared to my old 116i i can say its 1,5 - 2lt less consumption!
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      08-03-2012, 02:58 AM   #17
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Quote:
Originally Posted by qwas View Post
Any inputs on my figures, then ??
In theory in warmer climates economy should be better because the air is less dense (the ECU needs to inject less fuel to maintain the same fuel/air ratio)... however your power will be down as a result. odd...
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      08-03-2012, 09:27 AM   #18
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Quote:
Originally Posted by orcomma View Post
In theory in warmer climates economy should be better because the air is less dense (the ECU needs to inject less fuel to maintain the same fuel/air ratio)... however your power will be down as a result. odd...
That is especially true to turbo charged engines, which drive better with colder air is sucked through the intake.
Warm weather makes the engine adjust quicker to working temps.

My fuel figures make sense, but I really was expecting it to perform better..
I wonder how much better it should get over time.

D.
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      08-06-2012, 04:01 PM   #19
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Quote:
Originally Posted by Superspeed View Post
Last weekend I had a trip in the Norwegian mountains. Start in Oslo at sea level, then up 1000 m and down to Oslo again. 350 km distance, average consumption 4,6. Average speed 80 km/h. No aggressive driving, just cruising. A typical figure on coyntry roads, and it has gone down since I got the car in May.
Tight city traffic is 6,5 l/100km, but normal figure is 6,0.

Even when pushing the car heavily it doesn't drink very much more!

I am very pleased. Less consumption than my previous 71 hp Smart 1,0

Edit:
Norwegian speed limits are low - Max 100km/h on the relatively few motorways.
80 km/h on country roads. Cruising the Autobahn in 180 would of course give other figures.....
Thanks for the info!

Ever testes consumption at 130-140? Just curiosity :P
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      08-07-2012, 02:06 AM   #20
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Quote:
Originally Posted by Carto4 View Post
Thanks for the info!

Ever testes consumption at 130-140? Just curiosity :P
around 5L/100km see my post
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      08-07-2012, 06:25 AM   #21
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Quote:
Originally Posted by wolz View Post
around 5L/100km see my post
Wow...even at "180km/h it was around 8.5l/100km" isn't a lot!

Thanks!
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      08-07-2012, 01:15 PM   #22
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