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Author Topic: 45 MPG.......109 MPH  (Read 3416 times)

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Field Marshal Dr. Opti

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45 MPG.......109 MPH
« on: 22 November 2011, 17:48:08 »
Just returned from a weekend away with Mrs Opti's Corsa 1.2 SXI.  For the most part  I drove it like a nun, so I thought I'd check out the economy. I calculated the petrol consumption by brimming the tank and setting the trip.

Upon our return, I could only squeeze 8.85 gallons in. The trip showed 399 miles......returning 45.08 MPG......Reasonable, but not as good as I expected....(My MV6 returns about 30/31 on the same journey......according to the trip computer (Are they accurate?)

On a couple of occasions I managed to max her out, both times the speedo indicated 109 MPH*.........Not too shoddy for only 1199cc and a paltry 75 BHP..... :y


* Performance figures recorded on a private road in the  Midlands... :)   
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cem_devecioglu

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Re: 45 MPG.......109 MPH
« Reply #1 on: 22 November 2011, 17:54:39 »
cars weight is a primary factor in consumption.. new model corsas around 1085 kg so 45 mpg normal imo..
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Field Marshal Dr. Opti

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Re: 45 MPG.......109 MPH
« Reply #2 on: 22 November 2011, 18:19:57 »
Quote from: cem on 22 November 2011, 17:54:39
cars weight is a primary factor in consumption.. new model corsas around 1085 kg so 45 mpg normal imo..


You're correct as usual, Cem. Mrs Opti's Corsa (2003) is much smaller and lighter than the bloated overweight 2011 model. I'm pretty sure it weighs less than 1000 KG... :y
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henryd

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Re: 45 MPG.......109 MPH
« Reply #3 on: 22 November 2011, 18:42:06 »
Quote from: Opti on 22 November 2011, 17:48:08
Just returned from a weekend away with Mrs Opti's Corsa 1.2 SXI.  For the most part  I drove it like a nun, so I thought I'd check out the economy. I calculated the petrol consumption by brimming the tank and setting the trip.

Upon our return, I could only squeeze 8.85 gallons in. The trip showed 399 miles......returning 45.08 MPG......Reasonable, but not as good as I expected....(My MV6 returns about 30/31 on the same journey......according to the trip computer (Are they accurate?)

On a couple of occasions I managed to max her out, both times the speedo indicated 109 MPH*.........Not too shoddy for only 1199cc and a paltry 75 BHP..... :y


* Performance figures recorded on a private road in the  Midlands... :)   

Was that the M6 :D :D :D ;D ;D
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Marks DTM Calib

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Re: 45 MPG.......109 MPH
« Reply #4 on: 22 November 2011, 18:48:35 »
They are about 1000Kg kerb weight (slightly shy of it).

Remember that drag factor is a major factor in fuel comsumption at speed.
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Field Marshal Dr. Opti

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Re: 45 MPG.......109 MPH
« Reply #5 on: 22 November 2011, 18:49:58 »
Quote from: henryd on 22 November 2011, 18:42:06
Quote from: Opti on 22 November 2011, 17:48:08
Just returned from a weekend away with Mrs Opti's Corsa 1.2 SXI.  For the most part  I drove it like a nun, so I thought I'd check out the economy. I calculated the petrol consumption by brimming the tank and setting the trip.

Upon our return, I could only squeeze 8.85 gallons in. The trip showed 399 miles......returning 45.08 MPG......Reasonable, but not as good as I expected....(My MV6 returns about 30/31 on the same journey......according to the trip computer (Are they accurate?)

On a couple of occasions I managed to max her out, both times the speedo indicated 109 MPH*.........Not too shoddy for only 1199cc and a paltry 75 BHP..... :y


* Performance figures recorded on a private road in the  Midlands... :)   

Was that the M6 :D :D :D ;D ;D


I couldn't possibly say, Henryd.

However, I can say that our route from Lincolnshire to Wales took us along the M1...M69.....M6.....and M42... ;)

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Field Marshal Dr. Opti

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Re: 45 MPG.......109 MPH
« Reply #6 on: 22 November 2011, 18:51:54 »
Quote from: Marks DTM Calib on 22 November 2011, 18:48:35
They are about 1000Kg kerb weight (slightly shy of it).

Remember that drag factor is a major factor in fuel comsumption at speed.


Why so weighty, Mark?. A Mk1 Escort was about 700/800 Kg... :-\ :-\ :-\
« Last Edit: 22 November 2011, 19:05:43 by Opti »
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henryd

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Re: 45 MPG.......109 MPH
« Reply #7 on: 22 November 2011, 18:56:25 »
Quote from: Opti on 22 November 2011, 18:51:54
Quote from: Marks DTM Calib on 22 November 2011, 18:48:35
They are about 1000Kg kerb weight (slightly shy of it).

Remember that drag factor is a major factor in fuel comsumption at speed.


Why so weighty, Mark. A Mk1 Escort was about 700/800 Kg... :-\ :-\ :-\

But that didn't have airbags/ pretensioners/ abs etc
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cem_devecioglu

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Re: 45 MPG.......109 MPH
« Reply #8 on: 22 November 2011, 19:16:06 »
Quote from: Opti on 22 November 2011, 18:51:54
Quote from: Marks DTM Calib on 22 November 2011, 18:48:35
They are about 1000Kg kerb weight (slightly shy of it).

Remember that drag factor is a major factor in fuel comsumption at speed.


Why so weighty, Mark?. A Mk1 Escort was about 700/800 Kg... :-\ :-\ :-\

reason simple.. system.. car manufacturers and petrol producing companies were married long time ago ;D 
 
technically they can build lighter cars, but it costs more with lighter materials and wont consume enough fuel.. ;D
« Last Edit: 22 November 2011, 19:18:19 by cem »
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Martin_1962

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Re: 45 MPG.......109 MPH
« Reply #9 on: 23 November 2011, 09:25:43 »
I have done average of 80mph and 80mpg from a bike - on the same trip.
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albitz

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Re: 45 MPG.......109 MPH
« Reply #10 on: 23 November 2011, 09:30:36 »
Suzuki B120 ?  :D
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Marks DTM Calib

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Re: 45 MPG.......109 MPH
« Reply #11 on: 23 November 2011, 11:16:19 »
Quote from: cem on 22 November 2011, 19:16:06
Quote from: Opti on 22 November 2011, 18:51:54
Quote from: Marks DTM Calib on 22 November 2011, 18:48:35
They are about 1000Kg kerb weight (slightly shy of it).

Remember that drag factor is a major factor in fuel comsumption at speed.


Why so weighty, Mark?. A Mk1 Escort was about 700/800 Kg... :-\ :-\ :-\

reason simple.. system.. car manufacturers and petrol producing companies were married long time ago ;D 
 
technically they can build lighter cars, but it costs more with lighter materials and wont consume enough fuel.. ;D

As said, the weight is only one factor in the fuel consumption equation.

Mk1 Escort was about 800Kg but if I told you that the Corsa was wider, similar height and only slightly shorter yet had much improved safety systems, extra gears and fancy accesories such as central locking, front and rear wipers, electric screen washers, a radio, etc etc etc.....it all adds up.  ;D
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jonnycool

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Re: 45 MPG.......109 MPH
« Reply #12 on: 23 November 2011, 12:26:19 »
It's surprising just how much bigger cars have got when you look at it like that isn't it? I suppose less space was taken up by all the safety measures back then, what you saw is what you got :)
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fiend61

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Re: 45 MPG.......109 MPH
« Reply #13 on: 23 November 2011, 12:30:08 »
Quote
But that didn't have airbags
surely if its air it cant weigh much  ;D ;D ;D

reminds me of this-----if it wasnt for sponges how much water would be in the seas????

 ;D ;D ;D ;D ;D
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Field Marshal Dr. Opti

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Re: 45 MPG.......109 MPH
« Reply #14 on: 23 November 2011, 12:35:03 »
Quote from: Albs on 23 November 2011, 09:30:36
Suzuki B120 ?  :D



The legendary Bloop..... :y
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