320d Fuel Efficiency (What's yours do)

Burt25 · 09-03-2009, 08:05 AM

I have owned an 'Efficient Dynamics' 320d for a year now and my daily drive consists a 50 mile round trip which is approx 20% urban / 80% extra urban. Now BMW quote mpg figures of 58.9 combined, however my car is averaging 48 mpg and I dont have a heavy right foot!! I thought it was just my car, but I have had a few loaners over the past 12 months and similar figures are being reported by the onboard computer.

So where are BMW getting a figure of 58.9 mpg from? is this a fairy tale?
I recently also had a 330d for a week and was easily able to achieve 43 mpg- so whats the story here?

Audi quote mpg figures of 48.7 for its 170 2.0 A4 - IS it that case that the 320d isn't actually streets ahead in efficiency as its claimed to be and companies like Audi and Mercedes are simply quoting much more honest figures for every day drivers. - Would love to know what other 320d owners think.

_Si_ · 09-03-2009, 08:30 AM

Quote:

Originally Posted by Burt25

I have owned an 'Efficient Dynamics' 320d for a year now and my daily drive consists a 50 mile round trip which is approx 20% urban / 80% extra urban. Now BMW quote mpg figures of 58.9 combined, however my car is averaging 48 mpg and I dont have a heavy right foot!! I thought it was just my car, but I have had a few loaners over the past 12 months and similar figures are being reported by the onboard computer.

So where are BMW getting a figure of 58.9 mpg from? is this a fairy tale?
I recently also had a 330d for a week and was easily able to achieve 43 mpg- so whats the story here?

Audi quote mpg figures of 48.7 for its 170 2.0 A4 - IS it that case that the 320d isn't actually streets ahead in efficiency as its claimed to be and companies like Audi and Mercedes are simply quoting much more honest figures for every day drivers. - Would love to know what other 320d owners think.

Ive done 1500 miles from new and all I do is travel 10 miles a day in traffic.
Mine says 38.7 MPG

beemerbird · 09-03-2009, 08:44 AM

Unfortunately in my experience BMW's 'claimed' mpg figures are often as optimistic as some other manufacturers 0-62 times etc.

They all seem to 'flower' certain aspects of the cars they produce.

Also I'm not 100% sure of this, but I believe that the mpg figures are often gained from cars that are sitting on a rolling road in a wind tunnel, if the case then hardly an accurate reflection of how the car will be driven on different road surfaces. Incorrect tyre pressures can effect fuel economy but not that much!

xenon · 09-03-2009, 08:47 AM

BMW's economy figures are straight from Enid Blyton, everyone knows that.

waits now for some anal retentive to say he matches or exceeds BMW's figures....

willhollin · 09-03-2009, 08:52 AM

Just because you don't have a heavy right foot, doesn't mean that you drive more efficiently. My wife and I both use our car, she consistently gets 5 or 6 MPG less than me, she drives with a light right foot I would say, but uses more fuel.

Have no idea how you drive, but things like anticipating stopping without braking at roundabouts for example will save you fuel. Try some different driving styles and see what happens.

chrisbin · 09-03-2009, 09:01 AM

40.9 average over 14k mls so far.

Em135eye · 09-03-2009, 09:08 AM

Well I'm struggling to get above 35mpg for a car that's supposed to do 45ish.

Do I care?

No.

jonsteele · 09-03-2009, 09:19 AM

On the daily commute etc I see 38mpg if I drive sensibly

.

On a 70 mph(ish) run on the motorway I get 48mpg easily, especially if I don't get snarled up in traffic

.

I once did the trip from home to my parents (Halifax to Doncaster, so mostly motorway) at a very steady 65mph and got 70mpg

. However, I'd rather use more fuel than be bored to death at those speeds and be constantly tangling with HGVs in the slow lane!

swanseahammer · 09-03-2009, 10:22 AM

I've averaged 39mpg over 10,000 miles, 80% town driving / 20% motorway so I'm happy with that. However, I recently did a 400 mile round trip, mainly doing doing between 70 and 75mph - average mpg for the trip was a staggering 56.9mpg :-)

, so is BMW's combined cycle based on something similar?

- Paul - · 09-03-2009, 10:50 AM

OP - similar driving % as you but mine is 2005 and remapped - average of 48mpg

dxb335d · 09-03-2009, 11:21 AM

Quote:

Originally Posted by 335diesel

Well I'm struggling to get above 35mpg for a car that's supposed to do 45ish.

Do I care?

No.

Geez, didnt know you had a 320d also!?

Em135eye · 09-03-2009, 11:30 AM

Quote:

Originally Posted by dxb335d

Geez, didnt know you had a 320d also!?

So what are you doing sneaking into this thread too then...

Just a general observation on optimistic mpg figures...

dxb335d · 09-03-2009, 11:51 AM

Quote:

Originally Posted by 335diesel

So what are you doing sneaking into this thread too then...

Just a general observation on optimistic mpg figures...

I saw you had posted so i was intrigued.

magic77 · 09-03-2009, 03:05 PM

My 320D has just about got to 5K on the clock. On a daily commute which is about 2Miles to M3 then M3/M25/A40 to Hangar Lane I average 54MPG on a good run.

If I get stuck in traffic it usually drops to around 49MPG and I do seem to suffer from lead foot sindrome.

This is on a non remapped version. On number of occassions while on motorway only driving I've seen 64MPG over long distances of cruising at 70mpg

F104 · 09-04-2009, 04:34 AM

I've 45kmls, and averaged 50mpg up to 2 weeks ago. Drive mostly motorways at 85 mph.

Now I have the evolve map, and see quite an improvement looks like 55 mpg or better with regular use of the additional power..

With that fuel my remap will be paid for in two years!

magic77 · 09-04-2009, 05:05 AM

that makes the evolve map even more tempting, I wonder if its safe to remap now thec car has hit 5k

- Paul - · 09-04-2009, 05:06 AM

Forgot to mention but mine was evolve remap aswell. Great guys.

Mud · 09-04-2009, 05:39 AM

Motorway plus classic FM = 55mpg
Motorway plus iPod = 43mpg

Em135eye · 09-04-2009, 05:42 AM

Quote:

Originally Posted by Mud

Motorway plus classic FM = 55mpg
Motorway plus iPod = 43mpg

swanseahammer · 09-04-2009, 05:43 AM

Quote:

Originally Posted by Mud

Motorway plus classic FM = 55mpg
Motorway plus iPod = 43mpg

Don't understand why the huge difference, or is it diffrent driving styles because of different music?

- Paul - · 09-04-2009, 06:59 AM

Quote:

Originally Posted by swanseahammer

Don't understand why the huge difference, or is it diffrent driving styles because of different music?

J4MES · 09-04-2009, 07:39 AM

40mpg avg

09-03-2009, 08:05 AM	#1
Burt25 Private 6 Rep 62 Posts Drives: 320d MSport Join Date: Oct 2008 Location: N Ireland iTrader: (0)	320d Fuel Efficiency (What's yours do) I have owned an 'Efficient Dynamics' 320d for a year now and my daily drive consists a 50 mile round trip which is approx 20% urban / 80% extra urban. Now BMW quote mpg figures of 58.9 combined, however my car is averaging 48 mpg and I dont have a heavy right foot!! I thought it was just my car, but I have had a few loaners over the past 12 months and similar figures are being reported by the onboard computer. So where are BMW getting a figure of 58.9 mpg from? is this a fairy tale? I recently also had a 330d for a week and was easily able to achieve 43 mpg- so whats the story here? Audi quote mpg figures of 48.7 for its 170 2.0 A4 - IS it that case that the 320d isn't actually streets ahead in efficiency as its claimed to be and companies like Audi and Mercedes are simply quoting much more honest figures for every day drivers. - Would love to know what other 320d owners think.
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09-03-2009, 08:44 AM	#3
beemerbird Major General 172 Rep 7,953 Posts Drives: Merc diesel Join Date: Oct 2007 Location: Yorkshire iTrader: (0) Garage List 2010 TTRS [9.00] 2007 Audi S5 [0.00] May 2007 Porsche 99 ... [0.00] March 2007 Porsche ... [0.00] Sep. 2007 E92 335d SE [0.00] July 2006 E90 330i ... [0.00]	Unfortunately in my experience BMW's 'claimed' mpg figures are often as optimistic as some other manufacturers 0-62 times etc. They all seem to 'flower' certain aspects of the cars they produce. Also I'm not 100% sure of this, but I believe that the mpg figures are often gained from cars that are sitting on a rolling road in a wind tunnel, if the case then hardly an accurate reflection of how the car will be driven on different road surfaces. Incorrect tyre pressures can effect fuel economy but not that much!
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09-03-2009, 08:47 AM	#4
xenon Major General 1397 Rep 8,083 Posts Drives: 2021 G21 330i M-Sport Join Date: Jun 2008 Location: Coventry iTrader: (0)	BMW's economy figures are straight from Enid Blyton, everyone knows that. waits now for some anal retentive to say he matches or exceeds BMW's figures.... __________________ Ian Current: 2021 G21 330i M-Sport Previous: 2018 A6 Avant S-Line MMI+, 2014 F31 320d M-Sport, 2013 F10 520d M-Sport, 2011 F10 530d M-Sport, 2008 320i M-Sport Coupe, 2002 325i, 2001 318i valvetronic, 1998 318i, 1996 525i, 1990 Porsche 944S2
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09-03-2009, 08:52 AM	#5
willhollin Major General 268 Rep 9,915 Posts Drives: VW T5 Join Date: Apr 2008 Location: Worcestershire iTrader: (1) Garage List 2007 BMW E92 330d SE [10.00] 2010 Transporter T5 ... [0.00]	Just because you don't have a heavy right foot, doesn't mean that you drive more efficiently. My wife and I both use our car, she consistently gets 5 or 6 MPG less than me, she drives with a light right foot I would say, but uses more fuel. Have no idea how you drive, but things like anticipating stopping without braking at roundabouts for example will save you fuel. Try some different driving styles and see what happens.
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09-03-2009, 09:01 AM	#6
chrisbin Colonel 112 Rep 2,333 Posts Drives: 640i MSport Coupe Join Date: May 2005 Location: S.Wales, UK iTrader: (1)	40.9 average over 14k mls so far. __________________ Current: F13 640i MSport, e85 Z4 3.0i Previous - Alpina D3 BiTurbo E90 LCI Manual, 320d M Sport E92 Auto, 330i M Sport E92 courtesy of BMW UK....320i M Sport E92 Auto, 320d SE E90 Manual.
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09-03-2009, 09:08 AM	#7
Em135eye Banned 175 Rep 4,302 Posts Drives: M135i Join Date: Jul 2009 Location: South West iTrader: (0) Garage List 2014 BMW M135i 5 door [0.00]	Well I'm struggling to get above 35mpg for a car that's supposed to do 45ish. Do I care? No.
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09-03-2009, 09:19 AM	#8
jonsteele Old enough to know better! 20 Rep 409 Posts Drives: 320d M Sport, Le Mans Blue Join Date: Jan 2008 Location: In a pub, in the middle of nowhere! iTrader: (0) Garage List 1989 Landrover 90 [0.00] 2008 BMW 320d M Sport [0.00]	On the daily commute etc I see 38mpg if I drive sensibly . On a 70 mph(ish) run on the motorway I get 48mpg easily, especially if I don't get snarled up in traffic . I once did the trip from home to my parents (Halifax to Doncaster, so mostly motorway) at a very steady 65mph and got 70mpg . However, I'd rather use more fuel than be bored to death at those speeds and be constantly tangling with HGVs in the slow lane! __________________ Jon Steele 320d M Sport (E90) Le Mans Blue/18" Alloys/Bi Xenons/Climate Screen/Black, Heated Dakota Leather/6 CD Changer with Dension 500/Power Mirrors/M3 Lip Spoiler/Gloss Black Grills/Through Load, Storage pack, Lumbar Support, Smokers Deletion
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09-03-2009, 10:22 AM	#9
swanseahammer Lieutenant 24 Rep 400 Posts Drives: F30 LCI 330e M Sport Join Date: Jan 2009 Location: Swansea iTrader: (0) Garage List 2008 320d SE [0.00]	I've averaged 39mpg over 10,000 miles, 80% town driving / 20% motorway so I'm happy with that. However, I recently did a 400 mile round trip, mainly doing doing between 70 and 75mph - average mpg for the trip was a staggering 56.9mpg :-) , so is BMW's combined cycle based on something similar?
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09-03-2009, 10:50 AM	#10
- Paul - Major General 695 Rep 7,308 Posts Drives: see above. Join Date: Apr 2005 Location: Yorkshire, UK iTrader: (5) Garage List 2005 320D SE [10.00] 2005 645 [9.00]	OP - similar driving % as you but mine is 2005 and remapped - average of 48mpg __________________ My Photos
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09-03-2009, 03:05 PM	#14
magic77 Brigadier General 258 Rep 3,815 Posts Drives: ex- 335i Join Date: Apr 2009 Location: Surrey iTrader: (2)	My 320D has just about got to 5K on the clock. On a daily commute which is about 2Miles to M3 then M3/M25/A40 to Hangar Lane I average 54MPG on a good run. If I get stuck in traffic it usually drops to around 49MPG and I do seem to suffer from lead foot sindrome. This is on a non remapped version. On number of occassions while on motorway only driving I've seen 64MPG over long distances of cruising at 70mpg __________________ F30 335i M Sport - now departed
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09-04-2009, 04:34 AM	#15
F104 Captain 19 Rep 732 Posts Drives: E92 320D M-sport Join Date: Apr 2008 Location: belgium iTrader: (0)	I've 45kmls, and averaged 50mpg up to 2 weeks ago. Drive mostly motorways at 85 mph. Now I have the evolve map, and see quite an improvement looks like 55 mpg or better with regular use of the additional power.. With that fuel my remap will be paid for in two years!
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09-04-2009, 05:05 AM	#16
magic77 Brigadier General 258 Rep 3,815 Posts Drives: ex- 335i Join Date: Apr 2009 Location: Surrey iTrader: (2)	that makes the evolve map even more tempting, I wonder if its safe to remap now thec car has hit 5k __________________ F30 335i M Sport - now departed
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09-04-2009, 05:06 AM	#17
- Paul - Major General 695 Rep 7,308 Posts Drives: see above. Join Date: Apr 2005 Location: Yorkshire, UK iTrader: (5) Garage List 2005 320D SE [10.00] 2005 645 [9.00]	Forgot to mention but mine was evolve remap aswell. Great guys. __________________ My Photos
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09-04-2009, 05:39 AM	#18
Mud Captain 37 Rep 698 Posts Drives: M4 Join Date: Nov 2008 Location: England iTrader: (0)	Motorway plus classic FM = 55mpg Motorway plus iPod = 43mpg
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09-04-2009, 07:39 AM	#22
J4MES my name is James 15 Rep 71 Posts Drives: '09 E91 LCI 330d M-Sport Join Date: Oct 2008 Location: Behind you... iTrader: (0)	40mpg avg __________________ 330d LCI M-Sport Touring f/s - PM for details
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