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Old 16th June 2012, 12:21   #3286
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Default Re: What is your Actual Fuel Efficiency?

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Originally Posted by ContiMental View Post
I bought a Hyundai i10 Sportz on December 10, 2011.
I call him Stuart, and well, he just turned 6 months old 4 days back.
Hes fun to drive and small enough to fit into little lanes, but there is one MASSIVE problem, mileage.
I have a log book in my cars glove box where i write down the thenkms run each day. Also i write the ODO reading when i fill petrol, along with the litres filled.
On calculating the average mileage from these records, i found out that hes juat givin 7-9km/lt in city, whereas 16-18km/lt on highways!
I am not among those ruthless and rash drivers, i love my car and i shift gears when the meter reaches 2000rpm.
Stuart has run about 7800kms and just came out from its secomd service yesterday!
Please help me as to how i can improve my fuel efficiency!
I sympathize with you, but have a look at your driving style. Your figures are just about as similar as mine. I have been driving my i10 sportz for 2 years now and have never never very rarely noticed a mileage below 8.

I recommend listening to the engine before shifting. You will learn that 2000 is not the ideal rpm for all gears, especially the higher ones. The engine follows a rhythm, if you shift too soon the engine would tend to knock, shift too late and you'll over-rev.

Some before and after service (all city driving) efficiency figures for you:

Up till the First service:Min 8.6 / Max 10.6

Up till the Second service: Min 7.66 / Max 11.37

Up till the Third service: Min 8.41 / Max 12.22

This is all city driving in Mumbai. These figures have been consistent for me. I did got 16.45 once on an outstation trip.

I never have highway runs usually but I can bet a million bucks that i will get between 14-16 if I did. The car is pretty frugal if driven correctly
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Old 17th June 2012, 14:15   #3287
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Default Re: What is your Actual Fuel Efficiency?

My Alto K10 has been giving me 11-12 in my usual driving. I drive only short distances, 1/2km between stops, averaging between 3 and 6km/day, with a few medium long 8-10km drives a week. This is reflected in the total distance traveled in 2 years and 10 month - 6,600km. I have taken it once on highway and then it gave me 19+ with AC on.

Hence I feel that city driving especially short hops, where the fourth gear is rarely used takes its toll on FE. Still getting <9 in normal city driving for a 1.2L engine is quite low.

One thing I have realised, is that high revving engines give better FE if driven above 2,500 RPM, preferably at 3,000, in the lower gears, which I do consistently, else my FE would also drop to < 9.
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Old 17th June 2012, 14:22   #3288
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Default Re: What is your Actual Fuel Efficiency?

Car: Chevrolet Aveo U-VA 2008
Odo: 36,500 KM
Method: Tank full to Tank full
AC: 70%
Best Highway FE: 17.34
Worst Highway FE: 13.85
Best City FE: 14.68
Worst City FE: 9.63
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Old 17th June 2012, 21:13   #3289
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Default Re: What is your Actual Fuel Efficiency?

Just compiled the FE data for my Alto for the past four years and here are the stats.

Total kms run: 52,243
Total petrol consumed: 2,905.33 litres
Overall driving split: 70% City, 30% Highway
Overall FE: 17.98 kmpl
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Old 17th June 2012, 22:15   #3290
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Default Re: What is your Actual Fuel Efficiency?

Quote:
Originally Posted by gpa View Post
Just compiled the FE data for my Alto for the past four years and here are the stats.

Total kms run: 52,243
Total petrol consumed: 2,905.33 litres
Overall driving split: 70% City, 30% Highway
Overall FE: 17.98 kmpl
That is phenomenal FE gpa, can you please let us know your gear shifting pattern in the city and the speeds you do on the highway alongwith the % of ac used?
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Old 17th June 2012, 22:32   #3291
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Default Re: What is your Actual Fuel Efficiency?

Ritz ZXi, 13,900 kms
City : 85% (Gurgaon), Highway: 15%
100% AC
Average F.E. - 14 kmpl (measured over several tankfuls)

My office is about 4km from home. Doubt if she gets enough time to warm up.
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Old 17th June 2012, 22:55   #3292
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Default Re: What is your Actual Fuel Efficiency?

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Originally Posted by n.devdath View Post
That is phenomenal FE gpa, can you please let us know your gear shifting pattern in the city and the speeds you do on the highway alongwith the % of ac used?
Since the Alto doesn't have a tachometer, I try and stick to shifting/short shifting from 1st to 2nd at 15 kmph, 2nd to 3rd at 25 kmph, 3rd to 4th at 40 kmph and 4th to 5th at 45 kmph respectively. On average over the past four years, I noticed that I get ~550-620 kms per tank of petrol in the city and out of these 550-620 odd kms, I use the a/c for about 25-30% of the time which I believe explains why I have a higher overall kmpl figure.

On my highway drives, I try and stick to 90-110 kmph but on occasions I touch 120-140 kmph as well. Most highway drives are done with the a/c on for about 90% of the distance traveled.

Last edited by gpa : 17th June 2012 at 22:57.
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Old 21st June 2012, 18:19   #3293
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Default Re: What is your Actual Fuel Efficiency?

My sparky was giving low mileage for the last two tankful, 12 and 10 kmpl, though both the trips consist of at least 40% highway. I was bit worried, thats when I noticed squeaking noise when driven slow say below 10 Kmph. I jacked up each wheel and tried to rotate using hand, found right rear wheel difficult to rotate. The culprit was found to be blocked brake cylinder near the drum brake. Replaced it, this time it gave 14 Kmpl (60% city, 40%highway 80%A/C).
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Old 21st June 2012, 22:11   #3294
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Default Re: What is your Actual Fuel Efficiency?

The four tankfulls (with auto cut off) readings of my December 2011 Wagon R VXI has given me follwing averagre

Total KM's : 1349 KM
Petrol Consumed: 83.45 liters
FE : 16.17 KM/L

Till now car has only done city driving in Gurgaon with 100% AC in moderate traffic conditions.

I am a newbie driver and this is my first car , its also driven by my wife for 20% of KM's driven.
She too is newbie like me but we both have simiar drving habits.
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Old 23rd June 2012, 21:34   #3295
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Default Re: What is your Actual Fuel Efficiency?

Recently, I've been getting about 8-9 kmpl but with only about 25 kms of driving in a month (my primary mode of transportation, but used only for weekly grocery shopping and some errands as I don't get around much), I'm not really polluting the environment more than anyone else.

I had the '04 Esteem Di taken in to the MASS for an unusual ringing sound. I still have the unusual sound and a mechanic suggests that it's a timing issue though MASS reported no engine-related problems. It must be my driving style because I rely more on 1st and 2nd gear with only about 58hp from the engine.
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Old 24th June 2012, 17:04   #3296
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Default Re: What is your Actual Fuel Efficiency?

Not an absolutely accurate reading, but our Baleno took in 1000/- worth petrol for a 230 km drive of which 10% was inside city, a 40% ghat roads and 50% plain smooth roads. Comes near to its earlier best, a 16.6 kmpl. No A/C and the driving was relaxed. Pretty impressed and oodles of torque was still under the foot for any emergency overtakes.
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Old 25th June 2012, 11:52   #3297
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Default Re: What is your Actual Fuel Efficiency?

I had a fuel pump replacement last month (due to bad quality petrol used in coutryside, as I am travelling regularly to my native place for one or other reason). Since then my CNG average has always been more than 25+ kmpkg.

My last CNG mileage was 200 kms for 6 kg, & I use the petrol mode till the engine is warmed up (say 10-15% max).
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Old 25th June 2012, 18:44   #3298
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Default Re: What is your Actual Fuel Efficiency?

This is my best ever Mileage.

Car Fiat Punto 1.3 MDJ
Amount of fuel filled: 45 Liters - full tank (Auto cutoff)
80 % Highway with 100 % AC used.

Let the pics do the talking ( The MID figures are 99% accurate on the Punto IMO)

Total distance covered :
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Mileage:
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Distance to go with remaining fuel:
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The only thing I have changed is my driving style. I don't accelerate and brake hard now a days.
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Old 26th June 2012, 11:34   #3299
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Cad: new swift zdi, 3 month old, clocked 3k km.

Mileage: 13.8 tank full to tank full :(

Driving with 100% AC and in city.

80% of it in bumper to bumper traffic, mostly on 1st or 2 nd gear.

Major part is office commute about 8kms one way.

I know the driving conditions are not the most ideal, but am concerned at such poor returns from the acclaimed ddis.

Shouldn't I be expecting about 15.5-16 even in these conditions given most people manage 17-18 in city.
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Old 26th June 2012, 13:14   #3300
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Default Re: What is your Actual Fuel Efficiency?

Alto LXI (Jan 2008), 100% A/C ON since day one.

In City: Consistent 16.8 to 17.2
Highways: 18.5 to 19 (Average speeds 90m to 100 kmph)

Exception: Once drove a round-trip from Bangalore to Goa without A/C due to A/C failure, I got an amazing 21.5!!
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