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Old 17th April 2011, 11:45   #2626
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Default Re: What is your Actual Fuel Efficiency?

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Originally Posted by avisidhu View Post
I have a question for those who calculate tankful to tankful. What is your definition of tankful? The point where the fuel meter cuts off automatically? is that a reliable method? I always ask the attendant to make the amount a round figure, so haven't been able to do a tankful based calculation. Any pointers would be useful.
I use auto cut off at the pump. Till date I have filled up six tanks in my Alto K10. As I use credit card, fractions do not matter.

I have yet to hit highway, and on short marketing trips since I bought the car I have got between 12 and 15km/l. 90% of my trips are 1/2 to 2 km one way, with AC on most of the time. When ever I can get the space I rev the engine to 5000 rpm+.

Last edited by Aroy : 17th April 2011 at 11:46.
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Old 18th April 2011, 13:21   #2627
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Default Re: What is your Actual Fuel Efficiency?

My Fiesta 1.6 S - Always City but not in dense traffic
Min: 9
Max: 11 (when i've made a trip to the Bangalore Airport)
Mostly 9.5

Is it what others get as well?
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Old 18th April 2011, 16:37   #2628
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My Getz CRDi - 75% highway 25% dense Chennai traffic A/C on all the time.

Min 13.5
Max 16.5
Mostly 15

Love the fact that my rocket gives decent mileage. My previous car was a Palio 1.6 which gave on average a mileage of 8.5!
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Old 18th April 2011, 17:05   #2629
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Post Re: What is your Actual Fuel Efficiency?

My i20 with Odo at 18700km in Bangalore/Mysore with AC being on moderatley gives

City 12-13 kmpl
Highway 16-17 kmpl
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Old 18th April 2011, 23:00   #2630
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Default Re: What is your Actual Fuel Efficiency?

My Alto Lxi (2007) - 41500km

City (Gurgaon traffic) - 16kmpl (90% AC)
Highway (NH1) - 19kmpl (70% AC)

Approx 2 yrs back when I was looking for a used car, main contenders were Santro & Alto. With fuel prices shooting up, buying Alto seems to be a wise decision although there is compromise on power.
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Old 19th April 2011, 10:25   #2631
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Default Re: What is your Actual Fuel Efficiency?

Indica Vista Quadrajet:
City: 14 KMPL with around 70% AC
Highway: 19KMPL with no AC and speeds touching 140 KMPH

An OT which I would like to mention here:
Considering that auto cuto off during refuelling has been mentioned here, I would like to enquire if any one has seen siginificant differences in mileage when auto cut off has been followed v/s when it has not been followed.
My personal experience on my car is that irrespective of my tanking up either way, I have not noticed any change in the FE.
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Old 19th April 2011, 10:32   #2632
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Default Re: What is your Actual Fuel Efficiency?

Hyundai i10 - 40000km (sold)
City - 11-12kmpl
Highway - 17-18kmpl

Indica Vista QJD
City - 13-14 kmpl
Highway - 18-19 kmpl

All figures with 100% AC on.
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Old 19th April 2011, 10:45   #2633
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Default Re: What is your Actual Fuel Efficiency?

Altis VL AT, bought March 2009, done 18000 kms

Overall milage so far as per MID ..... 9.9 kmpl

AC always on.
80% NCR and balance 20% on so called highways.
Never resetted the MID till now
Noticed highway milage between 16 to 22 kmpl between steady speeds of 90-100
City milage varies between 3.4 to 12 depending on the road and gearing.

Checked MID many times and found it to be very accurate.
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Old 19th April 2011, 11:34   #2634
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Default Re: What is your Actual Fuel Efficiency?

Updates from my side:

Car DZire Vxi - Petrol
Recently calculated average by tank full to tank full method.

Its 13 + with 80 % city & 20 % Highway with 90 % times AC on. Due to summer AC is on most of the times. Its pretty good i guess.

Just a question here, tank full means you people fill the petrol till top means till it is visible in the pipe or when it automatically stops? I have seen difference of 2-3 liters in both methods
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Old 19th April 2011, 12:05   #2635
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Default Re: What is your Actual Fuel Efficiency?

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Just a question here, tank full means you people fill the petrol till top means till it is visible in the pipe or when it automatically stops? I have seen difference of 2-3 liters in both methods
Going by the book, tankfull means tanking up till auto cutoff is triggered.
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Old 19th April 2011, 12:24   #2636
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Default Re: What is your Actual Fuel Efficiency?

Santro Xing eRLX with custom FFE, 4x2x1 headers, K&N replacement filter, 175/60 yokos

City: 12.5 km/l
Highway: 16.5 km/l

Tests were done on a tankful to tankful basis and A/C on 80% of the time.

P.S: I have managed to get as low as 9 km/l with some demo sessions of the exhaust flame thrower.
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Old 19th April 2011, 12:30   #2637
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Default Re: What is your Actual Fuel Efficiency?

Quote:
Originally Posted by @Chaand View Post
Going by the book, tankfull means tanking up till auto cutoff is triggered.
I second Chaand. Auto cutoff would be the best method.

Here are my FE figures:

Vehicle: Chevy Spark

Model: PS

Year: 2008

KMs Done: 31000 +

Fuel Filling Method: Auto cutoff

A/C: Always running

City FE: 12-14

Highway:

A: At constant 80 it delivers around 20

B: Beyond 80 it delivers in between 16 and 18 to a litre
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Old 19th April 2011, 12:30   #2638
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Default Re: What is your Actual Fuel Efficiency?

Quote:
Originally Posted by @Chaand View Post
Going by the book, tankfull means tanking up till auto cutoff is triggered.
Thanks

Many times here in Maharashtra, petrol pump guys fill the fuel after the auto cutoff as well. Recently also i filled the Petrol till tank is full i.e. almost overflowing. It was pipe full as well.

Here i have seen some commercial vehicle people fill diesel after tank is full. They will shake the vehicle so that some extra fuel can be filled
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Old 19th April 2011, 12:44   #2639
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Default Re: What is your Actual Fuel Efficiency?

My second post in Tbhp

My car : Esteem vx

Year: 2000

KMs Done: 180000+

Fuel Filling Method: Auto cutoff

A/C: 30 - 40 %

City FE: 12-13 ( RPM Not exceeding 2000 )

Highway: 19-22 ( Rpm Not exceeding 2000)

isn't it amazing 10 year old car gives FE same as new Generation car and it fun to drive also !!

regards
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Old 19th April 2011, 12:48   #2640
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Default Re: What is your Actual Fuel Efficiency?

Quote:
Originally Posted by aniketi View Post
Thanks

Many times here in Maharashtra, petrol pump guys fill the fuel after the auto cutoff as well. Recently also i filled the Petrol till tank is full i.e. almost overflowing. It was pipe full as well.

Here i have seen some commercial vehicle people fill diesel after tank is full. They will shake the vehicle so that some extra fuel can be filled
True, even I have observed this in Mumbai.

I work as an Internal Auditor for a Speciality Chemical firm based out of Mumbai. They manufacture chemicals to extract other products from crude. Here's an interesting fact shared by the GM Production (narrated in layman terms):

As of date, the fuel pump mechanism has improved to a great extent. After the pump auto cuts off and when one tries to push in more fuel, the pump has a tendency to 'hold back' fuel which is being dispensed in the cars fuel tank. Rationally, the fuel pump meter is running while the fuel pumped is not in sync with the meter reading (ouch, not a good news with the recent fuel price hikes). So it is highly advisable to 'stop' right there.

I used to top up my cars fuel tank to the brim till I heard this and have given up on the method since then. I now stick to auto cut off.

PS: The above information is acquired from a person in the Petroleum industry. Since I am not a chemicals guy, I absolutely have no idea whether this holds true. Maybe chemical guys from the forum can verify this and correct me if I am wrong !!!
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