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50 + MPG
speary
 

Posts: 778
Joined: Oct 2011
Location: Bolton
Post: #1
50 + MPG

I saw an average of 51mpg on my SD4 this morning. Is this a record for an SD4 manual?. Bromley Cross to Manchester 18 miles, very light traffic. The average for the trip finished at 49. On the same trip going home at 17:45 ish I get about 37 mpg
By the way, my trip to work is down hill Smile
General average for the week is 38.5 on Shell Vpower Diesel

Pure Coupe SD4 Manual; Fuji White; 19" style 5 wheels; Addaptive Xenons; Auto Lights, Wipers and Rear Mirror; Folding mirrors with cool puddle lights. Magnoflow Exhaust finishers
05-07-2013 08:11am
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RacingSnake
 

Posts: 1,267
Joined: Sep 2011
Location: Reading
Post: #2
RE: 50 + MPG

Your average is really good, but I'm not sure an 18 mile trip is the best indicator of a true mpg reading, nevertheless always nice to see a high figure Smile

Ordered: Fuji Dynamic Lux Coupe / style 7 wheels / Privacy glass / adaptive xenons / something else which I've forgotton.
Should be end of April (was March, then April, then end of May/June).
Collected, Friday 13th Shocked April 2012
05-07-2013 08:22am
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PhilSkill
 

Posts: 3,875
Joined: Jun 2011
Location: Warwickshire
Post: #3
RE: 50 + MPG

Coast in Neutral downhill with engine off you'll get infinite mpg! Laughing

Just don't expect to be able to stop at the bottom Shocked

MY12 Fuji Dynamic SD4 Manual, Pano Roof, Electric Tailgate with own Close module
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05-07-2013 12:17pm
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XFullFatTim
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Posts: 9,287
Joined: Oct 2010
Location: Somewhere between here and there.
Post: #4
RE: 50 + MPG

But then you could coast downhill with the engine idling and stop start switched off and still be able to stop...

A Pangea Green New Defender 110 First Edition is now sitting on my drive alongside my 1996 Defender 90 TDi300
06-07-2013 03:16am
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speary
 

Posts: 778
Joined: Oct 2011
Location: Bolton
Post: #5
RE: 50 + MPG

(06-07-2013 03:16am)XFullFatTim Wrote:  But then you could coast downhill with the engine idling and stop start switched off and still be able to stop...

That would use more fuel as the engine needs fuel to tick over. Leave in a highish gear going down hill with the throttle closed and it will use no fuel

(05-07-2013 08:22am)RacingSnake Wrote:  Your average is really good, but I'm not sure an 18 mile trip is the best indicator of a true mpg reading, nevertheless always nice to see a high figure Smile

The 18 miles consists of 3 mi A roads, quiet, 8 mi Motorway, flowing upto 60mph, 5 mi A roads moderate stop start, 2 mi city, heavy stop start, and an overall elevation drop of 600 feet
Same trip home but much more traffic and stop start, plus those 600 feet to climb back up
Every so often the "to work" mpg drops to about 35 average, which I think is when the DPF regeneration is taking place. Only happens once every couple of months or so

Pure Coupe SD4 Manual; Fuji White; 19" style 5 wheels; Addaptive Xenons; Auto Lights, Wipers and Rear Mirror; Folding mirrors with cool puddle lights. Magnoflow Exhaust finishers
(This post was last modified: 08-07-2013 08:28am by speary.)
08-07-2013 08:21am
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timhum
 

Posts: 96
Joined: Sep 2012
Location: United Kingdom
Post: #6
RE: 50 + MPG

Well I wish I could anything close to 51 mpg over a route like that particularly from a cold start. part of my commute involved a 20 mile initial leg of similarly gentle driving and best I would ever see would be 34/35 mpg. What am I doing wrong?
Tim
08-07-2013 08:43am
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berlin2011
 

Posts: 619
Joined: Jun 2011
Location: South Africa
Post: #7
RE: 50 + MPG

Longish trip 130km's (~80miles) each way - managed 5.7l/100km (49.5mpg) on the way there and 6.5l/100km (43.5mpg) on the way back. Very happy with that. Last few tanks I've averaged 7l/100km (40mpg)

Current: SD4 Dynamic Auto, 5 Door, Orkney Grey with Black Contrast Pano roof and 20" Shadow Chrome wheels. Pursuit interior.
Hand over was 8 years ago

Gone: Si4 Prestige Auto Coupe, Orkney Grey with Panoramic Roof, Element interior, Shadow Chrome 20" wheels with most of the bits & pieces loaded.
Hand over was 10 years ago
08-07-2013 11:12am
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PhilSkill
 

Posts: 3,875
Joined: Jun 2011
Location: Warwickshire
Post: #8
RE: 50 + MPG

Pushing mine quite hard at the weekend, fully loaded, lot of Motorway and A road overtaking and stuck in glorious M25 Traffic and worse A road off the M25 (Stop start didn't work once), still got 35.8 mpg. Warmer temps and building mileage seems to be bringing mpg up at last, wouldn't expect to get 32mpg for that journey a while ago!

MY12 Fuji Dynamic SD4 Manual, Pano Roof, Electric Tailgate with own Close module
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08-07-2013 01:50pm
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speary
 

Posts: 778
Joined: Oct 2011
Location: Bolton
Post: #9
RE: 50 + MPG

(08-07-2013 08:43am)timhum Wrote:  Well I wish I could anything close to 51 mpg over a route like that particularly from a cold start. part of my commute involved a 20 mile initial leg of similarly gentle driving and best I would ever see would be 34/35 mpg. What am I doing wrong?
Tim

I know that some folks think the IAM is a load of b0!!0cks BUT, if you drive to the Roacraft system and plan well ahead you will get better economy, and less wear and tear on your car. Example, recently 2 police class 1 drivers took part in a Lands End to John O'Groats and back eco challenge. Most people did the usual coasting, high gear as soon as possible, drive slow stuff. The cops drove to the System at the speed limit and won. enough said

Pure Coupe SD4 Manual; Fuji White; 19" style 5 wheels; Addaptive Xenons; Auto Lights, Wipers and Rear Mirror; Folding mirrors with cool puddle lights. Magnoflow Exhaust finishers
09-07-2013 01:30pm
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50dwill
 

Posts: 12
Joined: Jun 2012
Location: midlands
Post: #10
RE: 50 + MPG

Came back from mid wales Monday afternoon, all A roads, some light traffic, over took a few cars but did not go silly, 41.4 over 106 miles in a SD4 Auto ,can live with that.Cool
09-07-2013 06:00pm
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