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Home > Technical (L322) > I was told to steer away from a 4.4 TDV8 and get a 3.6 TDV8
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scotsjon



Member Since: 02 Mar 2021
Location: highlands
Posts: 43

United Kingdom 2016 Range Rover Autobiography SDV8 Farallon Black

My old man has the 3.6 and I have the 4.4 (all be it in an L405) my fuel economy is better than his and I have more power. I believe the 3.6 can be prone to turbo problems.

A friend who works in a dealership steered me away from the 3.0, apparently he replaces one every week but never does a 4.4

Post #589318 28th Mar 2021 8:46am
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Fox889



Member Since: 04 Jun 2019
Location: Bury St Edmunds. Suffolk
Posts: 688

United Kingdom 2012 Range Rover Westminster TDV8 Orkney Grey

SDV8 Thumbs Up 2012 Orkney Grey Westminster 4.4TDV8 with Ivory interior.........nice!
Alfa Romeo Giulietta
Just one Montesa now, 349 White Wonder
Austin A40 Farina MK2
1975 Morris Marina 1.8TC
1973 Honda CB250 K4

Post #589320 28th Mar 2021 8:50am
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1468

United Kingdom 

scotsjon wrote:
My old man has the 3.6 and I have the 4.4 (all be it in an L405) my fuel economy is better than his and I have more power. I believe the 3.6 can be prone to turbo problems.

A friend who works in a dealership steered me away from the 3.0, apparently he replaces one every week but never does a 4.4


Again, just bear in mind that over 90% of the diesels sold are the 3 litre so, incidence of problems will be higher.

Post #589323 28th Mar 2021 9:01am
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Kot



Member Since: 10 Mar 2021
Location: broadland
Posts: 1217

United Kingdom 

I was recently in the same position as you.
When I was researching the same subject last month, it became clear to me that the SDV8 L405 was the way to go for me.
It was always nagging in the back of my mind, if I bought a V6 engine failure could happen to me and I would always worry about that.

Round trips through Eastern Europe also weighed on my mind, being stranded a long way from home would be no fun even with LR Assist/ LR warranty etc I realise other un fortunate failures may put me in the same position, but felt this is one I could at least control.

Good luck in your search, look Nationwide get a favourite list and play all the dealers, now is a good time to buy. 2018 SE SDV8 4.4 Byron Blue

Post #589324 28th Mar 2021 9:03am
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1468

United Kingdom 

Johannes wrote:
Thanks for that insight! I am currently also eyeing the L405s and especially the 3 liter diesel. I´m wondering if the crank issue on the 3 liter diesel is something that can be avoided with a preventative fix in the garage?
To my surprise the second hand L405s with the TDV6 and the SDV8 are not that far apart in terms of price. So maybe if I want to avoid an expensive engine repair in the future I should set my sight on an L405 SDV8 perhaps?

Cheers,
Johannes


Apparently there is no preventative measure, nor improved crankshaft. As with any Land Rover product, a comprehensive warranty is essential - The car's are just so complex and anything in the engine bay usually involves removing other things first in order to get to what you need to get to. So, if it were to happen you, you'd be covered by your warranty.

Running costs are significantly different between the 3.0 and 4.4. Also, once you go above 3 litres, you'll find the number of insurance companies who insure engines of that size significantly drops (and therefore, be careful of higher prices).

What you can do however is twice annual oil changes and an oil analysis (they're about £30) maybe once a year. You send off some of the used oil in a little bottle and get a report back. It will identify metals and compounds in the engine oil, helping identify any parts which are failing.

If you can only get the 280HP 3 litre on your budget, I'd probably say to go for the 4.4L, as an additional 55bhp is noticeable. If you can afford the 305bhp then, the additional weight on the front end really doesn't get outweighed by only a other 30bhp.

Post #589325 28th Mar 2021 9:13am
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 8244

England 2014 Range Rover Autobiography SDV8 Loire Blue
Re: I was told to steer away from a 4.4 TDV8 and get a 3.6 T

Johannes wrote:
the most trouble free versions


According to those nice guys at Gap who make the IID tool the 5.0 Supercharged 2010-12 is the most trouble free version of the L322 ever made.... Thumbs Up

You do need to like going to the petrol station though... Laughing Pete
__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #589338 28th Mar 2021 10:15am
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1468

United Kingdom 

I genuinely wouldn't mind the 5L. In a post covid world, we won't do as many miles so, a gas guzzler doesn't matter too much.

I just hate going to a petrol station. If they fitted a larger petrol tank so, you're not filling up every 300 miles, I totally would.


Last edited by garyRR on 28th Mar 2021 7:21pm. Edited 1 time in total

Post #589343 28th Mar 2021 10:26am
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 8244

England 2014 Range Rover Autobiography SDV8 Loire Blue

It's well worth it, if your not driving as much then it won't be so often.... Thumbs Up Pete
__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #589354 28th Mar 2021 11:39am
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Bl4ckD0g



Member Since: 16 Feb 2020
Location: 127.0.0.1
Posts: 1322

Netherlands 2010 Range Rover Autobiography 5.0 SC V8 Santorini Black

My fill up was £119 the other day in my 5.0SC. Just let it go down and pop 89 litres a time in it. With dual tanks and dodgy fuel cages you got to live a bit a gamble whether you have enough fuel or not.

But it’s cleaner and better for the environment than any of those diesels. Besides no matter how good the 3.0L diesel may be, I could deal with an underpowered fatty. My definition of adequate begins with the 5.0SC. It’s not slow but also don’t feels fast. It’s adequate.

Post #589360 28th Mar 2021 1:04pm
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scotsjon



Member Since: 02 Mar 2021
Location: highlands
Posts: 43

United Kingdom 2016 Range Rover Autobiography SDV8 Farallon Black

I was tempted by a 5.0 but head/wallet won over heart.... but the soundtrack oh the soundtrack

J

Post #589365 28th Mar 2021 1:59pm
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1468

United Kingdom 

Haylands wrote:
It's well worth it, if your not driving as much then it won't be so often.... Thumbs Up


But visiting a petrol station a few times a month is still too much. Once a month is enough.

Post #589395 28th Mar 2021 7:23pm
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L322IT



Member Since: 10 Aug 2017
Location: ITALY
Posts: 17

Italy 2010 Range Rover Vogue TDV8 Buckingham Blue

IGP wrote:
Your "mechanic" wouldn't happen to have a 3.6 TDV8 for sale that he wants to get rid of would he?

As others have said only the 3.0 TDV6 Crank has had issues, not all but some.

Ivan


I confirm that my 3.6 has never had such problems

Post #615509 9th Dec 2021 3:56pm
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1468

United Kingdom 

Here's my experience of a 3.6:

2x leaking rocker cover gaskets - 8 hour garage job $$$
Vacuum pump - $$$
Driveway clean to get the oil off $$$
2x EGRs $$
Thermostat housing $$$
Intercooler hoses $
Many gallons of coolant $$

Seized parking brake and failed head gasket(s) - got rid! 2015 Range Rover Autobiography 4.4 SDV8

Post #615517 9th Dec 2021 4:23pm
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L322IT



Member Since: 10 Aug 2017
Location: ITALY
Posts: 17

Italy 2010 Range Rover Vogue TDV8 Buckingham Blue

then I was lucky, I only changed the intercooler pipes and a camshaft sensor as a prevention, for the rest only frequent servicing and good oil

Post #615519 9th Dec 2021 4:32pm
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Dolphinboy



Member Since: 07 Dec 2009
Location: Bristol
Posts: 3162

United Kingdom 2015 Range Rover Autobiography SDV8 Baltic Blue

the L405 3.0L also doesn't have the dynamic (self-levelling) suspension which makes the 4.4 better round the corners.

4.4 all the way.

BTW get the oil cooler done as early as poss. It's a known weak spot and once done, no more worries. Also look for the 2nd turbo oil drain mod on the 4.4L.

Post #615530 9th Dec 2021 5:47pm
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