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- Villager
- Member Since: 16 Jun 2023
- Location: Blackburn
- Posts: 2
Most Reliable Engine
Hi all,
Long time D4 owner here (I'm on my third) thinking of switching to an early D5 but worried about tales of catastrophic engine failure. Sounds like both the 2 and 3 litre diesels can go pop even at low mileage. I suppose my question is are the petrol engines any more reliable? I don't do huge miles so could live with the lower mpg if it meant I was less likely to have a 5 figure bill.
TIA
Dean
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- JonM
- Member Since: 30 Jun 2016
- Location: North Yorkshire
- Posts: 574
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I've seen very few reports of problems with the petrol engines, but there are very few D5s running on petrol so is the lack of problems due to the rarity rather than reliability?
MY2022 D5 HSE D300 - with extra nice bits added
MY2019 D5 HSE 3.0 SDV6 - sold to a dealer for a crazy price!
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- 747_JK
- Member Since: 26 Jun 2018
- Location: England
- Posts: 371
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Had my D5 3.0litre diesel for 4 years and 9 months, 50,500 miles, and not a single mechanical issue in all that time, bar a battery which needed replacing after 3 1/2 years. Engine has always purred very smoothly. But I wouldn't think of owning one without an extended warranty...
Hope I've not blown my luck for the last week of ownership now.....
As for engine issues, I was plagued with them with my first 2010 D4. Engine failed in first year of ownership and both engines smoked so badly on start-up that it became quite a well known car over on the Disco4 website. And as LR wouldn't fix it, I ran it with stickers in the rear window apologising to other road users and blaming LR. Them were the days!
https://www.disco4.com/forum/is-problem-wi...55820.html
MY23.5 D5 3.0 MHEV Metropolitan Edition – Santorini Black – Ebony Windsor Leather – 21” Style 5025 gloss black wheels – 21” full size spare tyre – Black roof rails – Black side mouldings - Williams Ceramic Coat. [Gone: D5 HSE @ 50,795miles: (now LH68 BYW)]
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- DieselRanger
- Member Since: 12 Oct 2017
- Location: God's Country, Colorado
- Posts: 753
Lots of the Si6 engines here in the US - exact inverse of the sales in UK/EU. That engine has been around a long time here in multiple JLR vehicles and seems to do very well.
My 2017 Td6 (the single-turbo VVT Lion engine, not the twin-scroll SDV6 - we never got that here) has had absolutely zero issues in nearly 75,000 miles with hard off-roading, long road trips, mountainous roads, and very high altitude (>6,000 ft elevation up to nearly 13,000 feet). When I talk with my local service center, they echo that these two engines have been the best they've ever seen from Land Rover.
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- Aldo
- Member Since: 23 Jul 2019
- Location: Cheshire
- Posts: 106
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I’d say the risk of a 3.0 D5 is no worse than a D4, both can suffer crank issues, initially more reported on the D4’s which I guess are depleting as owners upgrade or the D4’s come to the end of their trusty lives.
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- discus
- Member Since: 22 Aug 2019
- Location: North
- Posts: 132
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The SDV6 is a great engine in the D5. Mine hasn't had an issue in all the years I have owned it. As far as I am aware, Land Rover usually steps in with goodwill to fund the new engine if you are in the small minority that have a crank issue, but I don't know at what age/mileage/number of owners that stops happening.
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- Popsdosh
- Member Since: 06 Nov 2021
- Location: Cambs
- Posts: 138
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Aldo wrote:
I’d say the risk of a 3.0 D5 is no worse than a D4, both can suffer crank issues, initially more reported on the D4’s which I guess are depleting as owners upgrade or the D4’s come to the end of their trusty lives.
Exactly the same engine in a pre ingenium D5 as a D4 so I think its still a potential longer term issue as they get older. Oddly enough Ford now using the Lion again however with a redesigned crank. Which was not made available to JLR. Still plenty of D4 giving up and being a significant end of life reason.
Last edited by Popsdosh on 26th Jun 2023 7:17 am. Edited 1 time in total
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- Popsdosh
- Member Since: 06 Nov 2021
- Location: Cambs
- Posts: 138
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discus wrote:
The SDV6 is a great engine in the D5. Mine hasn't had an issue in all the years I have owned it. As far as I am aware, Land Rover usually steps in with goodwill to fund the new engine if you are in the small minority that have a crank issue, but I don't know at what age/mileage/number of owners that stops happening.
Up to 7 years with D4 with a full JLR service history and help from the dealer dealing with CS .
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- Ian_S
- Member Since: 18 May 2021
- Location: South
- Posts: 77
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Popsdosh wrote:
Exactly the same engine in a pre ingenium D5 as a D4 so I think its still a potential longer term issue as they get older. Oddly enough Ford now using the Lion again however with a redesigned crank. Which was not made available to JLR. Still plenty of D4 giving up and being a significant end of life reason.
People have claimed, without any evidence, that later production of the JLR engines did get a better crank. However I think this was after D5 started. You'd like to think it might have come with the increase in HP when the MY2019 was introduced with the SDV6 engine, and it went from 250 to 300 bhp. Would certainly be nice to know for definite.
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- Villager
- Member Since: 16 Jun 2023
- Location: Blackburn
- Posts: 2
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Thanks all.
What's the lowest replacement engine cost one could expect, if using an independent rather than a main dealer?
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- nebc100
- Member Since: 08 Mar 2019
- Location: Altlinster
- Posts: 399
Just wanted to make a small comment…
The D5 engine is not QUITE the same as the D4 engine.
There are differences in the EGR and exhaust systems… and possible small other differences.
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