deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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. . .so, I've been doing motorway driving lately which I used to think was less economical in the 12v than country driving, because of the high revs (3.5krpm @ 70mph). But I'm wrong. Sometimes sitting at 60mph because the traffic is busy so going any faster is just pointless - sometimes quicker if I'm late  so we're talking mixed driving. I also went on a midday country blast yesterday on this tank. The motorway driving I've been doing is approx. 20 miles one way.
I just filled up which cost me £36.00 (32.76 litres @ 109.9p  ). I had just under quarter of a tank to go. I always reset the mile counter when I fill up and I had done 344 miles to 32.76 litres.
So:
32.76 litres x 0.22 = 7.2072 gallons
344 miles / 7.2027 gallons = 47.73 mpg 
Bargain, considering diesel costs more 116.9p/litre where I filled up. And being faster, you drive it harder, so get similar mpg = out of pocket.
I'm happy 
[Edited on 02-04-2008 by deano87]
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Pucci1
Member
Registered: 19th Oct 07
User status: Offline
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intresting research mate, i find i have a very heavy foot like all the time 
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James_H
Member
Registered: 16th Sep 07
Location: Slough, Berkshire
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Wish mine done 70 
12v FTW!
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Mike
Organiser: North West and North Wales
Premium Member
Registered: 20th May 06
Location: nr. Skipton, North Yorkshire
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My best tank in my 1.2 16v was 430 miles, at least 100 miles of that was done between 90-100. The faster you go the better the consumption  High revs ftw
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deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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quote:
Originally posted by Pucci1
intresting research mate, i find i have a very heavy foot like all the time
I had a heavy right foot yesterday, and it still got that MPG. 'mazing.
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tom_simes
Show Staff
Organiser: South Wales
Premium Member
Registered: 12th Jan 05
Location: Undy, Newport Drives: Skoda Octavia vRS estate
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Ive had 40 mpg in mine, on the way home from Silverstone last June, with about 4 days worth of clothes, sleeping bag and car bits in it, and a set of 5 cesaros with tyres
Thats in a 1.6 Sport too, doing about 80 most the way home.
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deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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quote:
Originally posted by Mike B
My best tank in my 1.2 16v was 430 miles, at least 100 miles of that was done between 90-100. The faster you go the better the consumption High revs ftw
Naaa, it's just continous changing gear and changing revs that kills MPG.
Lets face it, 70mph is fast enough
Sort of
The point I'm getting at is I was baffling on about getting a derv, better MPG etc, save money etc. Essentially, I wouldn't.
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Adam_B
Member
Registered: 13th Dec 00
Location: Lancashire
User status: Offline
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quote:
Originally posted by deano87
And being faster, you drive it harder, so get similar mpg = out of pocket.
thats not really a valid argument when working out fuel consumption
i get 190 miles out of just over 30 liters
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Ben G
Member
Registered: 12th Jan 07
Location: Essex
User status: Offline
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mine sits at 3.5k at 70mph
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Mike GSi
Member
Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
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My car does batter MPG at 85 than at 55.
but my average MPG atm is 23.9
My car sitts at 4k revs at 98MPH
[Edited on 02-04-2008 by Mike Z20LET]
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andys sxi
Premium Member
Registered: 19th Jan 06
Location: Chester Drives:Scirocco tdi bluemotion
User status: Offline
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mine sits about 2500 revs at 70mph
6th gear FTW
April 08 feature car
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Mike
Organiser: North West and North Wales
Premium Member
Registered: 20th May 06
Location: nr. Skipton, North Yorkshire
User status: Offline
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I've experienced quite a few dervs in the past and after driving all of those I wouldn't want to own one, even tho I do but I've never seen a petrol sprinter
From my experience, non turbo dervs are useless, my dad's had 2 that I've drove, and I've now got a Sprinter 2.3 all where slow, noisy and useless on diesel.
The turbo'd diesels I've drove, I've never actually drove on the road but all just felt like vans driving em on site where I used to work.
The smoothest and least van like diesel I've been in is a 57 reg, renault lowloader luton van
You'd have to do well to win me over to diesel, I've never liked it, and can't see me starting liking it anytime soon.
Petrol ftw 
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Mike GSi
Member
Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
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the only diesel id own is the Astra 888 Tbh
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AndyKent
Member
Registered: 3rd Sep 05
User status: Offline
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See what you're meaning Deano, but for the same MPG, the diesel will still be quicker and if I had to choose, I'd be picking any nippy diesel over my old 12v any day.
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andys sxi
Premium Member
Registered: 19th Jan 06
Location: Chester Drives:Scirocco tdi bluemotion
User status: Offline
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yeah wait till u decide u want to get a different car u will think y did i keep the 12v so long lol
April 08 feature car
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deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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quote:
Originally posted by aPk
See what you're meaning Deano, but for the same MPG, the diesel will still be quicker and if I had to choose, I'd be picking any nippy diesel over my old 12v any day.
I agree - the 12v at junctions is fucking annoying. And pulling onto dual carriageways from small slip roads is pure dangerous BUT, once at 70 - 80mph, you're at 70 - 80mph, we're all going the same speeds.
I'm just quite shocked I'm getting 47mpg from the 12v - always thought it would be bad because of high revs all the time.
Be interesting to see what a small engines diesel, 1.3CDTi Corsa would have done during the same 344 miles.
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Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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quote:
Originally posted by Adam_B
quote:
Originally posted by deano87
And being faster, you drive it harder, so get similar mpg = out of pocket.
thats not really a valid argument when working out fuel consumption
i get 190 miles out of just over 30 liters
mine does 140miles to £30 petrol
how about that that was with a spirted run for a short while worked out at 22mpg
its gotta be leaking somewhere dont know where it goes 
3,500 is 60mph 80 is 5,200rpm
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Corsa_Scotty
Member
Registered: 8th Aug 07
Location: Scottish Borders
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12v's FTW!
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lil_g
Member
Registered: 29th Oct 06
User status: Offline
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250ish miles from a full tank to red light
Long drive to norfolk and back too!
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AndyKent
Member
Registered: 3rd Sep 05
User status: Offline
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quote:
Originally posted by deano87
quote:
Originally posted by aPk
See what you're meaning Deano, but for the same MPG, the diesel will still be quicker and if I had to choose, I'd be picking any nippy diesel over my old 12v any day.
I agree - the 12v at junctions is fucking annoying. And pulling onto dual carriageways from small slip roads is pure dangerous BUT, once at 70 - 80mph, you're at 70 - 80mph, we're all going the same speeds.
I'm just quite shocked I'm getting 47mpg from the 12v - always thought it would be bad because of high revs all the time.
Be interesting to see what a small engines diesel, 1.3CDTi Corsa would have done during the same 344 miles.
I tried the 1.3 diesel before settling on my 1.2 petrol C - the petrol felt quite a bit nippier and with a better rev range, I just preferred it - no idea what sort of MPG it'd manage over the course of a tank though.
FYI, the optimum speed you 'should' maintain is 55mph. What kills MPG is slowing and accelerating I've found - I did 55mph from Flitwick all the way to Ipswich (was a work trip and I had all day ) and managed between 50 and 55mpg.
Gunned it back home though and averaged 40
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dean101287
Member
Registered: 22nd Jul 07
Location: Cardiff
User status: Offline
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I live in south wales, I got all the way to north wales and back home on a full tank. 340 miles. That was a 1.6 corsa sport.
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John
Member
Registered: 30th Jun 03
User status: Offline
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How can there possibly be one optimum speed to drive at when engines are different and geared differently.
The optimum in your car might not be the optimum in another.
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AndyKent
Member
Registered: 3rd Sep 05
User status: Offline
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Generally it varies from car to car but should be stated in the handbook.
I said 55mph as that it what it says in the 12v handbook and my 1.2 as well.
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Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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deano
your for getting though - dervs are faster (alot) yet still have good mpg
and have the torque of overtaking when you need it
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SAL
Premium Member
Registered: 19th Dec 05
Location: Radlett, Hertfordshire
User status: Offline
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nice deano, but i would rather
then 20 p saved
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