E400d 354bhp merc

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gizlaroc

11,896 posts

162 months

Tuesday 12th February
quotequote all
thiscocks said:
I have the E450 at 23mpg and the E400d at 47mpg combined. Big difference.
My E350d was down as 47mpg combined too, reality was 33mpg and that is for someone doing 30,000 miles a year.
Post after post, after post on the Merc forums of owners who only do 10k miles a year moaning there are not even getting over 30mpg average in the bigger diesels.
There is no way the E400d will achieve 47mpg as a long term average.

The new WLTP figures show 6.9l/km and 8.7l/km per KM.

That is 40 vs 33.

Reality will be more like 29mpg vs 38mpg calculated.

With diesel costing 7% more at least, that is like 29 vs 35mpg in reality.



If someone is getting 47mpg in the E400d they will get 37mpg in the E450. Reality is only a handful of people will.
One of the problems you have with comparisons is someone who buys the diesel is probably doing different driving to the person that buys the petrol, so the owners reports get skewed.

How many buy a large petrol to do 30,000 miles a year?
I did and was genuinely shocked at how well it did. When I first swapped my E350d for the E350 3.5 V6 petrol I was in my buying season, back and forth from Norwich to London or Norwich to Manchester all the time, for the first month I averaged 35mpg in it, and the OBC matched the calculated figure too.
No matter what I did by the time I was on the way home it would always say 35-36mpg, and that was getting across London from the M11 to Cavendish Square and back out again and then going up the M11 at 90kmph.
The E350d used to say 42-44mpg but the calculated was only 38-39 mpg.
Taking fuel prices into account the petrol was actually no more expensive to run.

I have had enough cars with the diesel and petrol engines to know there has NEVER been more than 15% difference between the two.

530i vs 530d e39
335d vs 335i
A6 3.0tdi vs 3.2fsi
E320 vs E320cdi S210
E350 vs E320cdi S211
E350d vs 350 S212
530i vs 530d E61
ML350 vs ML270cdi vs ML350cdi - 24mpg vs 27mpg vs 26mpg

To name a few.


I used to get 21mpg from my M3 CSL when it was a weekend toy. I then did 4000 miles in it over 7 weeks as my main car and the thing averaged 34mpg.
Too often we are not comparing like with like, we buy a petrol and use it for going for a blast at the weekend, or we buy it as we are only doing 10k miles a year, and then we compare it with a diesel that we use for doing big miles or taking on family holidays where the average mpg shoots up.

But reality for me is, same car doing the same job, the difference between the equivalent diesel/petrol when it comes to MPG is minimal, as overall ownership cost it is not even worth considering.


Then we have people who say they want the effortlessness of the diesel. Take out an E400/450, it is a turbo, it is effortless.















gizlaroc

11,896 posts

162 months

Tuesday 12th February
quotequote all
PS. I'm just bitter as I buy my cars used, and there is a serious lack of petrol cars available for me to buy as everyone keeps buying dervs.
Ignore me.

cerb4.5lee

10,767 posts

118 months

Tuesday 12th February
quotequote all
gizlaroc said:
PS. I'm just bitter as I buy my cars used, and there is a serious lack of petrol cars available for me to buy as everyone keeps buying dervs.
Ignore me.
As a positive though that could change going forward. Diesel seems very frowned upon at the moment, and it will be interesting to see if there will eventually be a switch back to petrol like the old days.

cerb4.5lee

10,767 posts

118 months

Tuesday 12th February
quotequote all
When I was a nipper I didn't know of anyone who had a diesel, petrol ruled completely in cars...those were the days! biggrin

Ares

7,683 posts

58 months

Tuesday 12th February
quotequote all
Welshbeef said:
Ares said:
Welshbeef said:
Ares said:
You are funny. So my little £65k Alfa is 20% better than a M5 or E63 because it has a greater bhp/litre?

And that Lamborghini Aventador must be utterly st, it barely makes 100bhp/litre.
It’s a metric.
Given SIMILAR engine size the E63 punches harder than the M5 hence my tongue in cheek point of a nitro RC v a Cobra 427.
So my little 510hp sports saloon our punches the 560hp E63 sports saloon....?
0-100mph 8.1 for your Alfa.
https://fastestlaps.com/models/alfa-romeo-giulia-q...

0-100mph 7.7?for the E63 so yes your punching - don’t you see that?
https://fastestlaps.com/models/mercedes-benz-e-63-...
(*you're)....but as you've pointed out, bhp/litre is the most important statistic...?

But whilst we're on to 0-100mph, that same site has the M5 at 6.6 to 100.... But I thought the E63 'trounced' it in your eyes...?? laughlaughlaughlaughlaughlaughlaughlaughlaugh
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spreadsheet monkey

3,449 posts

165 months

Tuesday 12th February
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Welshbeef said:
maybe this will give BMW the kicker it needs
Or maybe the 400D will sell poorly in the UK, and BMW will keep the 540d and M550d for Germany and Switzerland.

Presumably you just want BMW to launch the 540d so other people can pay £50k for a new one so you can pick up a used one for cheap in three years time smile

Evo article said:
plump for the ‘Premium Plus’ package and the E400d will feel fully-loaded for a not-unreasonable £4390
Hang on - I can get a pano roof, LED headlights, parking assistance, clever radar stuff and a fancy stereo as standard in a top spec Hyundai i30, but Mercedes still wants four grand extra for that stuff?!? I thought the days of Merc being mean with standard equipment were long gone.