Diesel cash guzzlers: It can take 28 years for them to be cost-effective
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That defeats the point....
It doesn't, most petrols won't need another gearchange, where as a diesel will as soon as it drops out of its 2stroke esque powerband.
Its all pathetically theoretical anyway, I don't know anyone who pulls out to overtake without dropping it a gear, if you don't need to drop it a gear in a diesel its because you are not overtaking because you know the car is too slow.
Yes I love towing caravans.
This thread is so LOLworthy. I have a diesel and a petrol, both in very similar cars of about the same weight and layout and size. The diesel has 376lb/ft and the petrol has 310lb/ft.
Petrol still feels faster, because as soon as you want power it kicks down, and it has a 75bhp advantage. The only thing i like about diesels is the fuel range, 600 miles diesel to 400 miles in the petrol.
Petrol still feels faster, because as soon as you want power it kicks down, and it has a 75bhp advantage. The only thing i like about diesels is the fuel range, 600 miles diesel to 400 miles in the petrol.
Ive no idea why I didnt mention Le Mans anyway....
'The differences in fuel consumption nearly vanish when one takes into account the higher energy density of diesel fuel: gallon-for-gallon diesel packs about twelve percent more heat energy.
The concessions afforded diesel-powered cars at Le Mans this year are numerous. Compared with a turbocharged gasoline-fueled car, the diesels enjoy a 50-percent larger displacement limit, a 52-percent larger intake restrictor, and an absolute boost pressure limit nearly twice as high.'
'At the same time, the lean-burn character of a diesel engine requires it to pass more air through the engine for every unit of energy sent out the crankshaft. Coupled with the extremely low maximum engine speed (limited by the speed of combustion inherent in compression-ignition engines), a corresponding increase in displacement and/or boost pressure is needed to achieve the same power output as a smaller, higher-strung petrol powerplant.'
This is all despite weighing 50 percent more.
'The differences in fuel consumption nearly vanish when one takes into account the higher energy density of diesel fuel: gallon-for-gallon diesel packs about twelve percent more heat energy.
The concessions afforded diesel-powered cars at Le Mans this year are numerous. Compared with a turbocharged gasoline-fueled car, the diesels enjoy a 50-percent larger displacement limit, a 52-percent larger intake restrictor, and an absolute boost pressure limit nearly twice as high.'
'At the same time, the lean-burn character of a diesel engine requires it to pass more air through the engine for every unit of energy sent out the crankshaft. Coupled with the extremely low maximum engine speed (limited by the speed of combustion inherent in compression-ignition engines), a corresponding increase in displacement and/or boost pressure is needed to achieve the same power output as a smaller, higher-strung petrol powerplant.'
This is all despite weighing 50 percent more.
Has this thread not gone away yet...please somebody put it out of it misery and just kill it...
its full of pointless stupid rants and almost nothing constructive at all.
Go and buy the car you like most who cares if its a diesel or a petrol, its your just get what you want. Does it have to make rational sense??? NO
I bought a 1.8 TDCI Focus because I preferred how it drove over the petrol, I've had turbo and NA petrol because they were what I liked at the time, my next car will be either a petrol or a diesel depending on what I like...
Some people need to get a bloody life...
its full of pointless stupid rants and almost nothing constructive at all.
Go and buy the car you like most who cares if its a diesel or a petrol, its your just get what you want. Does it have to make rational sense??? NO
I bought a 1.8 TDCI Focus because I preferred how it drove over the petrol, I've had turbo and NA petrol because they were what I liked at the time, my next car will be either a petrol or a diesel depending on what I like...
Some people need to get a bloody life...
![[TW]Fox](/data/man-of-honor/2009.png){kind=avatar}
It's a discussion forum. If you dont like the threads in it then posting to tell us all how you disapprove and think everyone gets a life is probably the best way to come across as a complete berk, failing to see the irony of what you've just posted
The rules are heavily biased towards using a diesel engine, notice the different engine size limits for the two
Soldato
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So in your case it'd take a tad less than the quoted 28 years for the diesel to be cost effective over the petrol model, right?
Probably, but the petrol is a much nicer engine and the fuel is paid for regardless, so in my case the petrol always wins.
Academically though, I guess if we compared a CLS320CDI (6 pot 3.0td) with a CLS350 (6 pot 3.5 petrol) with almost identical performance:
CLS350: 28mpg combined, £43440
CLS320CDI: 37MPG combined, £43960
£520 difference.
Assuming 30k per year as i seem to do in my own vehicle, thats £4100 in fuel for the petrol, and £3500 for the diesel. Paid off in the first year, but would take nearly a whole year. And more importantly, its only a £600pa saving for having the rattly diesel. Bugger that
Soldato
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Probably, but the petrol is a much nicer engine and the fuel is paid for regardless, so in my case the petrol always wins.
Academically though, I guess if we compared a CLS320CDI (6 pot 3.0td) with a CLS350 (6 pot 3.5 petrol) with almost identical performance:
CLS350: 28mpg combined, £43440
CLS320CDI: 37MPG combined, £43960
£520 difference.
Assuming 30k per year as i seem to do in my own vehicle, thats £4100 in fuel for the petrol, and £3500 for the diesel. Paid off in the first year, but would take nearly a whole year. And more importantly, its only a £600pa saving for having the rattly diesel. Bugger that
While I have to agree with your post, the OP boiled it all down to simple pounds shillings and pence. Forget the driving experience, and think in terms of nothing more than running costs and the claim they make is garbage.
Oh yeah, in terms of numbers the diesel definitely works for someone like myself, but then i guess Fox in his OP has never stated that diesels are always a waste of time, just for people who do little driving.
Over 10,000 miles per year the diesel comes in at around £1200 to fuel, with the petrol at £1360, so that's over 3 years to pay it back, or only £160pa difference!
Soldato
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Oh yeah, in terms of numbers the diesel definitely works for someone like myself, but then i guess Fox in his OP has never stated that diesels are always a waste of time, just for people who do little driving.
Over 10,000 miles per year the diesel comes in at around £1200 to fuel, with the petrol at £1360, so that's over 3 years to pay it back, or only £160pa difference!
But then you have to bear in mind that the majority of cars that are bought in this country are bought second hand, so the differences between petrol and diesel models of the same car may stay the same percentage wise, but are a lot less in terms of actual money.