 | Home > General & Technical (L663) > Advice and views on a D300 and DPF's |
 
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| mlambton Member Since: 20 Apr 2024 Location: Devon Posts: 22  
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Hi
Im getting close to chosing my next vehicle. For the last few years ive had a 2015 SDV8 rangerover. About 50% of my annual 12000 miles is under 5 mile trips. My worry with an L663 D300 is whether I wil have problems with the Diesel particulate filter (DPF) clogging. I would say that my current Rangerover hasnt had an issue (though many have) and I accept i need to change the engine oil and filter every 6 months currently due to the dilution effects on the engine oil from the failed regenerations. Any perspectives would be appreciated |
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26th May 2024 3:09pm |
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| BrickBox Member Since: 05 Oct 2021 Location: Wales Posts: 833  
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I don’t think these modern diesels are worth the hassle.
Go for a petrol. 2008 2.4 110 Utility Station Wagon XS. |
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26th May 2024 4:28pm |
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| martinf Member Since: 30 Nov 2020 Location: Sussex Posts: 99
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I agree with changing to petrol. I had a 2015 Range Rover and found the endless oil changes because of oil dilution expensive and tiresome.
Much happier with my P300 Defender. |
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26th May 2024 5:18pm |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 2823
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l've got a new Defender D250
A lot of my driving is short journeys and l've had no issues at all with it. Occasionally l've noticed it regenerates the DPF (the idle speed is slightly higher) l've had no oil dilution, the oil has been checked and replaced twice. l think the D250/300/350 six cylinder lngenium engine is designed better with regards to the DPF. |
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26th May 2024 5:53pm |
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| DFNDER Member Since: 02 Oct 2023 Location: Perth WA Posts: 132 
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It's the reason I went to P400 as well. DPF, adblue, EGR, frequent oil changes, oil dilution etc was enough to put me off diesel.
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26th May 2024 11:36pm |
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| mlambton Member Since: 20 Apr 2024 Location: Devon Posts: 22
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Thank you for your perspectives they are much appreciated.
I think Im tending towards the petrol P400e option. The fact that many of the major manufacturers are ditching the Diesel option and UK cities are increasingly ramping up the amount of low emission zones also nudges me further towards the petrol hybrid option. |
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27th May 2024 7:31am |
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| Soup Dragon Member Since: 22 Sep 2023 Location: Cheshire Posts: 86 
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DPF is definitely a pain. You can be 20-30 mins into a longish run and then without warning (no lights on dashboard), the mpg halves for maybe 5 minutes (you can see this clearly on the instant mpg display) until DPF clears. This happens to me on almost every journey and puts a circa 10% dent in my fuel economy. I’m going to ask the dealer about whether this is normal when it goes in for a service but that won’t be for a while. This has never happened on any adblue equipped diesel car I’ve ever owned.
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27th May 2024 7:33am |
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| Zed Member Since: 07 Oct 2017 Location: In the woods Posts: 3306 
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I agree. Given a choice it’s a no brainier. WARNING. This post may contain sarcasm. |
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27th May 2024 8:04am |
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| Moo Member Since: 01 Oct 2021 Location: UK Posts: 1393 
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My D250 does mixed driving but have never noticed the DPF regenerating.
 Eiger Grey MY23 D250 SE with bits. Known as Noddy. |
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27th May 2024 9:06am |
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| J77 Member Since: 04 Nov 2019 Location: Fife Posts: 3403 
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The only way I know mine is going through a regen is the more throaty exhaust note, can’t say I’ve noticed a significant drop in fuel economy. 24MY 90 D250 HSE, Tasman Blue
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27th May 2024 6:51pm |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 2823
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Same here, DPF regenerates occasionally and after 12,500 miles the Adblue is still saying 5,000 miles remaining.
When the DPF regenerates l notice a drop in the instant fuel economy readout for a few minutes. But it certainly doesn't happen every journey. ln city driving l get 26-28mpg and on a longer run around 40mpg. |
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27th May 2024 7:03pm |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 2823
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lt depends on what you are using the vehicle for. l couldn't live with under 20mpg. l also prefer petrol over diesel but l had a petrol version on loan and managed 18mpg with my kind of use. |
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27th May 2024 7:06pm |
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| mlambton Member Since: 20 Apr 2024 Location: Devon Posts: 22
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I’m thinking that the p400e would be a better option over diesel given half my mileage would be daily short trips of 3-4 miles each way. I think this type of driving is probably the worst profile for a diesel and may be the PHEV sweet spot?
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27th May 2024 8:36pm |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 2823
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You're probably correct as with those short journeys you'll probably be on electric power and won't use any fuel at all.
As l said, everyone is different. l tow a caravan and can still achieve over 25mpg with my D250. The Commercial version is only available with the MHEV diesel |
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27th May 2024 9:09pm |
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