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XC40 D4 vs T4 fuel consumption

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Old Mar 13th, 2019, 14:14   #11
Bendolfc
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Many of that list though are just because they aren't able to make existing engines comppliant with Euro 6D when it takes effect in 2020 and there isn't much point investing in a new lineup from scratch when the ICE is on it's way out.

For those with a relatively new engine design that can easilly be made compliant with E6D then diesel will be around for a while, especially given that for all the negativity, modern diesels are relatively clean.

Volvo have marketed electrification well and got lots of free press out of it, but it is clear now that electrifcation doesn't mean getting rid of the ICE in the short term and diesel remains a part of that.
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Old Mar 19th, 2019, 14:20   #12
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Absolute rubbish,Current Euro 6 diesel cars emit up to 20% less CO2 than petrol cars and CO2 is one of the leading causes of air pollution. Diesel will typically get you 20% further than a petrol car. That extra range is the main reason why it's worth investing in a diesel, but only if you're always making long journey
Are you joking? Diesel emissions are what are actually killing people, the whole joke is that for years Governments only cared about Co2 emissions..

And if that's something you genuinely care about the main thing you can do is stop eating meat..
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Old Mar 20th, 2019, 16:03   #13
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Are you joking? Diesel emissions are what are actually killing people, the whole joke is that for years Governments only cared about Co2 emissions..
Petrol engines also put out NOx in many cases more so than modern diesels.
E.g. https://www.driving.co.uk/news/diese...llution-tests/
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Old Mar 21st, 2019, 16:01   #14
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Petrol engines also put out NOx in many cases more so than modern diesels.
E.g. https://www.driving.co.uk/news/diese...llution-tests/
"SOME NEW" diesels and those 2 selected were the least polluting (apparently) you need a wider picture and that's just newer cars the average age of a car in the UK is 7 years.

It's also not just about the NOx, there's also the manufacturing process involved (already shown) and the particulates you don't get with petrols.. I've never seen black smoke spewing out of a petrol's exhaust on the roads but see that daily from diesels.
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Old Mar 21st, 2019, 17:05   #15
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That article is a few years old. The limits for NOx are low for Euro 6 (and specifically tested properly as required for Euro 6D temp and Euro 6) that they should be not to dissimilar to any modern petrol for any engine on sale now.

Whats the business with the manufacturing process, how does a diesel and a petrol differ here, especially given most modern engines like the VEA share the block regardless of petrol or diesel.

As for particulates, moden direct injection petrols do produce particulate matter, which is why gasoline particulate filters are a thing now. Again, the permitted limits are not too disimilar to that for diesel.
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Old Apr 1st, 2019, 00:29   #16
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Originally Posted by StatusRed View Post
"SOME NEW" diesels and those 2 selected were the least polluting (apparently) you need a wider picture and that's just newer cars the average age of a car in the UK is 7 years.

It's also not just about the NOx, there's also the manufacturing process involved (already shown) and the particulates you don't get with petrols.. I've never seen black smoke spewing out of a petrol's exhaust on the roads but see that daily from diesels.
Eerr the guy who started the thread was asking about XC40 D4, not some London bus, you don't get black smoke spewing out of the back of a D4, go and have a bowl of Quorn flakes with nut milk you'll feel much better
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Old Apr 2nd, 2019, 09:16   #17
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Interesting to compare the WLTP fuel consumption figures.

Speed: low/medium/high/very high (combined)

T4 AWD 23.9/35.3/42.8/36.7 (35.3)
T4 FWD 24.8/38.2/44.1/37.7 (36.7)
T3 FWD 28.0/39.2/45.6/38.7 (38.7)

The difference is small, likely due to the extra weight of the four-cylinder engine. For those after slightly better consumption, there is a T2 listed on the international website with 129bhp:

T2 FWD 28.0/39.7/46.3/38.1 (39.2)

The purchase price difference between the FWD drivetrains is likely going to be a much bigger factor in ownership cost than fuel consumption, unless you do very high mileage.

Last edited by jamei305; Apr 2nd, 2019 at 09:19.
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Old Apr 4th, 2019, 13:02   #18
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Eerr the guy who started the thread was asking about XC40 D4, not some London bus, you don't get black smoke spewing out of the back of a D4, go and have a bowl of Quorn flakes with nut milk you'll feel much better
You see black smoke coming out of much more than buses, Ford Focus last week.. BMWs, Skodas and Mercs.

The problem isn't buses, it's a diesel engine issue.
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