Average fuel consumption

H

Highlander

Member
 Perthshire
I've had the E89 for about 18 months and 18000 miles now and still impressed by it's frugality....Bearing in mind I grew up with 3 litre capri's,Triumph PI's,etc,etc.
Our's is a 3 litre na auto and I use the cruise a fair bit if the traffic dictates it....I.e. trip north at the weekend on A9 with average speed cameras until Inverness.Got off the leash after that and made full use of all opportunities to "make progress"............Not a huge difference in average fuel consumption,both figures are impressive (to me at least)
When I chose the car I fully expected low 30's but rarely dip down there unless in town a lot.It's due a service/inspection by March but as the oil needs a top up after my weekend trip I'll have that done early and probably gearbox too....Car on 46000 now.
Planning another trip to Spain later next year so I'll keep her in good health.IMG_20161217_133859.jpgIMG_20161218_140257.jpg
 
I find that far more than impressive - I find it extraordinary! I drive an E89 that I have 25,000 miles on. It had under 12,000 when I got it 8 months ago. I am in the US and tend to drive it for 150 mile trips to see my kids and grand kids, so 300-400 mile weekends make up the bulk of my mileage. It is not uncommon for me to average 70-75 MPH on these highways, often see 80-90 on the speedo and generally drive in a 'spirited', but not 'aggressive' fashion. I routinely show 28-30 MPG, and averaged 29.2 on a recent 1500 mile 'test'. I have, on occasion, averaged as high as 31-33, but usually on short, low speed hops around town.

I suspect, but have no proof, that US cars may get worse mileage from enhanced emissions required equipment. I do know that RHD cars brought into the US have to have $1500-$3000 worth of work done to meet standards, but have no idea what that entails. I have read several threads of you guys getting significantly better mileage numbers than I hear of in the states and assumed it was due to slower speeds in traffic and on monitored roads, but I know of no one here getting anywhere near 40 MPG, let alone 43 and change. You are a lucky dog!
 
Z4Rick said:
I find that far more than impressive - I find it extraordinary! I drive an E89 that I have 25,000 miles on. It had under 12,000 when I got it 8 months ago. I am in the US and tend to drive it for 150 mile trips to see my kids and grand kids, so 300-400 mile weekends make up the bulk of my mileage. It is not uncommon for me to average 70-75 MPH on these highways, often see 80-90 on the speedo and generally drive in a 'spirited', but not 'aggressive' fashion. I routinely show 28-30 MPG, and averaged 29.2 on a recent 1500 mile 'test'. I have, on occasion, averaged as high as 31-33, but usually on short, low speed hops around town.

I suspect, but have no proof, that US cars may get worse mileage from enhanced emissions required equipment. I do know that RHD cars brought into the US have to have $1500-$3000 worth of work done to meet standards, but have no idea what that entails. I have read several threads of you guys getting significantly better mileage numbers than I hear of in the states and assumed it was due to slower speeds in traffic and on monitored roads, but I know of no one here getting anywhere near 40 MPG, let alone 43 and change. You are a lucky dog!
Click to expand...

Don't forget that uk gallons are larger than usa ones :wink:
Rob
 
How accurate are these readings over a tankful thoguh? I think a brim to brim calculation would give a more accurate impression of MPG over200 - 300 or so miles. Mine is working out (2.5 auto) as 27.3mpg last tank, town and country (and not too slow) driving, not much motorway.
 
Paulr said:
How accurate are these readings over a tankful thoguh? I think a brim to brim calculation would give a more accurate impression of MPG over200 - 300 or so miles. Mine is working out (2.5 auto) as 27.3mpg last tank, town and country (and not too slow) driving, not much motorway.
Click to expand...

I had late thirties & even 40mpg loads of times from my 3.0si, that was working it out properly as well.
Always dips this time of year, slowly rising as temps go up 8)
Rob
 
Smartbear said:
Paulr said:
How accurate are these readings over a tankful thoguh? I think a brim to brim calculation would give a more accurate impression of MPG over200 - 300 or so miles. Mine is working out (2.5 auto) as 27.3mpg last tank, town and country (and not too slow) driving, not much motorway.
Click to expand...

I had late thirties & even 40mpg loads of times from my 3.0si, that was working it out properly as well.
Always dips this time of year, slowly rising as temps go up 8)
Rob
Click to expand...

That is what I am hoping! Your was manual though, believe?
 
Paulr said:
Smartbear said:
Paulr said:
How accurate are these readings over a tankful thoguh? I think a brim to brim calculation would give a more accurate impression of MPG over200 - 300 or so miles. Mine is working out (2.5 auto) as 27.3mpg last tank, town and country (and not too slow) driving, not much motorway.
Click to expand...

I had late thirties & even 40mpg loads of times from my 3.0si, that was working it out properly as well.
Always dips this time of year, slowly rising as temps go up 8)
Rob
Click to expand...

That is what I am hoping! Your was manual though, believe?
Click to expand...

Yes Paul, 6 speed manual :)
My next zed didn't have so many gears....
Rob
 
Smartbear said:
Paulr said:
Smartbear said:
I had late thirties & even 40mpg loads of times from my 3.0si, that was working it out properly as well.
Always dips this time of year, slowly rising as temps go up 8)
Rob
Click to expand...

That is what I am hoping! Your was manual though, believe?
Click to expand...

Yes Paul, 6 speed manual :)
My next zed didn't have so many gears....
Rob
Click to expand...

Well, to be fair it had all the rights gears, but not necessarily in the right order, or indeed working when requested.
 
Well if you are able to cope without the sweet sound of a straight 6 then E89 N20 your able to have your cake and eat it.

I have recorded over 500 miles out of a single tank, and a few over 400 miles.

However my average is around 350+

As I did not purchase the car to drive to save the planet - I wanted an frugal - and fun car to drive
 
Yeah,I'm not trying to save the planet either,hence I haven't worked the actual consumption out with miles driven against litres burnt but have "used" the car computer as a referance since I bought it.Usually says range is 500 miles when I fill it but that quickly drops to under 400 and in reality the range of the car is dictated by the size of my bladder :rofl:
Modern engines seem to be remarkably fuel efficient(or I'm just catching up with the times) and the auto box doesn't appear to be inefficient especially using cruise control.Bear in mind the 43mpg was on a 115 mile journey with a 60mph average(dictated by cameras)
 
Smartbear said:
Z4Rick said:
I find that far more than impressive - I find it extraordinary! I drive an E89 that I have 25,000 miles on. It had under 12,000 when I got it 8 months ago. I am in the US and tend to drive it for 150 mile trips to see my kids and grand kids, so 300-400 mile weekends make up the bulk of my mileage. It is not uncommon for me to average 70-75 MPH on these highways, often see 80-90 on the speedo and generally drive in a 'spirited', but not 'aggressive' fashion. I routinely show 28-30 MPG, and averaged 29.2 on a recent 1500 mile 'test'. I have, on occasion, averaged as high as 31-33, but usually on short, low speed hops around town.

I suspect, but have no proof, that US cars may get worse mileage from enhanced emissions required equipment. I do know that RHD cars brought into the US have to have $1500-$3000 worth of work done to meet standards, but have no idea what that entails. I have read several threads of you guys getting significantly better mileage numbers than I hear of in the states and assumed it was due to slower speeds in traffic and on monitored roads, but I know of no one here getting anywhere near 40 MPG, let alone 43 and change. You are a lucky dog!
Click to expand...

Don't forget that uk gallons are larger than usa ones :wink:
Rob
Click to expand...



I am thoroughly embarrassed to admit I did not know, (or, hopefully), remember that!!

"The U.S. liquid gallon is defined as 231 cubic inches and equates to approximately 3.785 litres. One imperial gallon is equivalent to approximately 1.2 U.S. liquid gallons."

There is then a 20% differential - precisely. If I average 30 MPG, I would expect 20% more in England, or 36 MPG. Which is still 20% below what Highlander shows in his first picture. THAT much I can chalk up to my 'spirited' driving......

But I still feel like an idiot.....
 
Smartbear said:
Easy mistake to make Rick :thumbsup:
Rob
Click to expand...

You are too kind - it was flatly stupid to forget who I was talking to. Another error was not to mention much of my driving is in the mountains above 3,000 feet. Less pressure and thinner air would have a mileage impact as well, and I don't THINK the turbo overcomes that entirely. I am beginning to think my 29 MPG (US) might not be so bad....even if my memory sucks!
 
I get upwards of 400 miles from a tank if I tootle about in 'legal speed' mode, works out about 33mpg-ish which is not bad for a manual 35i. Must admit I'll be lucky to get 300 miles from this tank... driving back from work in 'hair-raising speed' mode now I've finished for Christmas :D :driving: :rofl:
 
Snnydays gets my vote for "Zed Driver Par Excellence".

Anybody only getting 16.5 MPG in a 35is, be it manual or slush box, English or American, is driving it like a stunt driver in a Jason Bourne movie that stole it for the weekend, and gets my respects!
 
Lol ^

To be fair only just bought the car so been having fun with it. It isnt my daily either, running on vpower 99 only.
 
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