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Fuel economy of 307 110bhp HDi?

 
Hugo Nebula
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      11-15-2003
I have had my new 307 DTurbo (110bhp) for about six weeks now, and I'm
concerned that my fuel economy is not as good as it should be. I had
a 306 HDi before this which was returning about 44-45 mpg
(6.3l/100km), but my new car is only getting about 39-40 mpg
(7l/100km). Peugeot's figures show that the 307 should use LESS fuel
rather than more. However, I realise that the more powerful engine in
a larger car would use more fuel, but not that much more. My driving
style & type of roads (mostly urban with some rural) hasn't changed,
so what's going on?

Is anyone else with a 307 disappointed in their fuel economy?
--
Hugo Nebula
"You know, I'd rather see this on TV,
Tones it down" - Laurie Anderson
 
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John J. Burness
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      11-15-2003
Hugo Nebula wrote:

> I have had my new 307 DTurbo (110bhp) for about six weeks now, and I'm
> concerned that my fuel economy is not as good as it should be. I had
> a 306 HDi before this which was returning about 44-45 mpg
> (6.3l/100km), but my new car is only getting about 39-40 mpg
> (7l/100km). Peugeot's figures show that the 307 should use LESS fuel
> rather than more. However, I realise that the more powerful engine in
> a larger car would use more fuel, but not that much more. My driving
> style & type of roads (mostly urban with some rural) hasn't changed,
> so what's going on?
>
> Is anyone else with a 307 disappointed in their fuel economy?


Unfortunately, I think you are correct!!

I have a 307SW 2.0Hdi (110) & I have to drive it gently to get good
consumption!

General running about only gives me low forties, but I can achieve 50+
on long Motorway journeys providing I keep just below the speed-limit
(which we all do, of course).

I raise it with Pug when I first got my car, but the tended to be a bit
evasive over the subject!!

Regards,
John

 
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Maarten Deen
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      11-15-2003
"John J. Burness" <(E-Mail Removed)> wrote in news:dtotb.4287
$(E-Mail Removed)9.net:

> Hugo Nebula wrote:
>
>> I have had my new 307 DTurbo (110bhp) for about six weeks now, and I'm
>> concerned that my fuel economy is not as good as it should be. I had
>> a 306 HDi before this which was returning about 44-45 mpg
>> (6.3l/100km), but my new car is only getting about 39-40 mpg
>> (7l/100km). Peugeot's figures show that the 307 should use LESS fuel
>> rather than more. However, I realise that the more powerful engine in
>> a larger car would use more fuel, but not that much more. My driving
>> style & type of roads (mostly urban with some rural) hasn't changed,
>> so what's going on?
>>
>> Is anyone else with a 307 disappointed in their fuel economy?

>
> Unfortunately, I think you are correct!!
>
> I have a 307SW 2.0Hdi (110) & I have to drive it gently to get good
> consumption!
>
> General running about only gives me low forties, but I can achieve 50+
> on long Motorway journeys providing I keep just below the speed-limit
> (which we all do, of course).


Driving style is a big influence on fuel economy. If you go to 4000 rpm in
every gear before changing, your consumption will be a lot higher than
changing at 2500 rpm.

I have driven passat tdi with 110hp and when I was not cruising high speed
over German autobahns, I got to 6 l/100 km with no problem. With a Golf
90hp I've done an average of 5,2 l/100 km over some 10000 km.
My brother drives a Renault Safrane 2.2 diesel and also does less than 6
l/100 km.
If a Peug 307 can't manage that I'd be very disappointed.
Because of the weight a 307 has an disadvantage in urban areas where there
is a lot of stopping and acceleration involved.

Maarten

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When replying privately, rot13 the e-mail address

 
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Jens Kr. Kirkebø
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      11-15-2003
On Sat, 15 Nov 2003 11:33:26 +0000, Hugo Nebula <(E-Mail Removed)>
wrote:

>I have had my new 307 DTurbo (110bhp) for about six weeks now, and I'm
>concerned that my fuel economy is not as good as it should be. I had
>a 306 HDi before this which was returning about 44-45 mpg
>(6.3l/100km), but my new car is only getting about 39-40 mpg
>(7l/100km). Peugeot's figures show that the 307 should use LESS fuel
>rather than more. However, I realise that the more powerful engine in
>a larger car would use more fuel, but not that much more. My driving
>style & type of roads (mostly urban with some rural) hasn't changed,
>so what's going on?


Lots of diesel engines have bad mileage before they "loosen" up. This
usually takes 5-15kkm. I drive a Caddy 1.9TDI at work. Fuel mileage
was 15% better when it had passed 10kkm than when it was new. Power is
better too.
 
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DervMan
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      11-16-2003
"Hugo Nebula" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I have had my new 307 DTurbo (110bhp) for about six weeks now, and I'm
> concerned that my fuel economy is not as good as it should be. I had
> a 306 HDi before this which was returning about 44-45 mpg
> (6.3l/100km), but my new car is only getting about 39-40 mpg
> (7l/100km). Peugeot's figures show that the 307 should use LESS fuel
> rather than more. However, I realise that the more powerful engine in
> a larger car would use more fuel, but not that much more. My driving
> style & type of roads (mostly urban with some rural) hasn't changed,
> so what's going on?
>
> Is anyone else with a 307 disappointed in their fuel economy?



As has been said, diesels require mileage to loosen up - in some respects as
many as 50,000 miles / 80,000 kilometres.

Also, the official fuel consumption tests are done on a rolling road - in
the real world, the larger size and weight of the 307 may make a bigger
impact than the rolling road figures suggest.

My vote is for the former - it's brand new, it needs to be run in! You're
also running on winter diesel (this makes some difference). Depending on
your mileage, and of course air conditioning*, by the summer you should be
using less.

*If you're running the air conditioning and the previous car didn't have it,
this would also explain some of the difference.

--
The DervMan
www.dervman.com


 
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Maarten Deen
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      11-16-2003
"DervMan" <(E-Mail Removed)> wrote in
news:bp7hao$1lb2iq$(E-Mail Removed)-berlin.de:

> Also, the official fuel consumption tests are done on a rolling road -
> in the real world, the larger size and weight of the 307 may make a
> bigger impact than the rolling road figures suggest.


I doubt that. It is true that the test as described in ruling 93/116/EG is
being run indoors on a test stand, but the same ruling says that it has to
run on a test stand that simulates a braking weight similar to that of the
weight of the car.

Have a look at point 6.3.2 on page 6 of http://europa.eu.int/eur-
lex/en/consleg/pdf/1993/en_1993L0116_do_001.pdf

There is no reference to windsurface, so a Peugeot 307 will probably have
an disadvantage against, say, a 406.

Maarten

--
When replying privately, rot13 the e-mail address

 
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Phil Cork
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      11-16-2003

"Hugo Nebula" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I have had my new 307 DTurbo (110bhp) for about six weeks now, and I'm
> concerned that my fuel economy is not as good as it should be. I had
> a 306 HDi before this which was returning about 44-45 mpg
> (6.3l/100km), but my new car is only getting about 39-40 mpg
> (7l/100km). Peugeot's figures show that the 307 should use LESS fuel
> rather than more. However, I realise that the more powerful engine in
> a larger car would use more fuel, but not that much more. My driving
> style & type of roads (mostly urban with some rural) hasn't changed,
> so what's going on?
>
> Is anyone else with a 307 disappointed in their fuel economy?
> --

I get 40-42mpg .... thats mainly from 55 miles to work and then back with
about 45 miles on M5/M4, 3 miles on fast A roads and 7 miles on back roads.
Best I've ever got was about 46mpg. Car is 15 months old and has done 21000
trouble free miles .... so should be run in by now!!

See ya,
Phil C


 
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DervMan
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      11-16-2003
"Maarten Deen" <(E-Mail Removed)> wrote in message
news:Xns9435B229AA256maasluip@194.109.133.29...
> "DervMan" <(E-Mail Removed)> wrote in
> news:bp7hao$1lb2iq$(E-Mail Removed)-berlin.de:
>
> > Also, the official fuel consumption tests are done on a rolling road -
> > in the real world, the larger size and weight of the 307 may make a
> > bigger impact than the rolling road figures suggest.

>
> I doubt that. It is true that the test as described in ruling 93/116/EG is
> being run indoors on a test stand, but the same ruling says that it has to
> run on a test stand that simulates a braking weight similar to that of the
> weight of the car.


Yes, sorry, I didn't explain it very well. I know that weight is supposed
to be compensated for, of course, but I mean the operating weight of the
vehicle.

> Have a look at point 6.3.2 on page 6 of http://europa.eu.int/eur-
> lex/en/consleg/pdf/1993/en_1993L0116_do_001.pdf
>
> There is no reference to windsurface, so a Peugeot 307 will probably have
> an disadvantage against, say, a 406.


Spot on - a big disadvantage I'd suspect.

--
The DervMan
www.dervman.com


 
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Andrew Kirby
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      11-18-2003
> I have had my new 307 DTurbo (110bhp) for about six weeks now, and I'm
> concerned that my fuel economy is not as good as it should be. I had
> a 306 HDi before this which was returning about 44-45 mpg
> (6.3l/100km), but my new car is only getting about 39-40 mpg
> (7l/100km). Peugeot's figures show that the 307 should use LESS fuel
> rather than more. However, I realise that the more powerful engine in
> a larger car would use more fuel, but not that much more.


When I drove a Xantia Estate 110 Hdi, I averaged 47mpg, and could get over
50mpg on a long run at 80ish mph. The Xantia is larger and heavier than
the 307, so I don't know why you are getting such poor economy. The only
suggestion I can make is that the engine is still 'tight', and that economy
should improve over the life of the engine (mine had done 120k miles)

All the best,
Andy
 
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