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Tomgc61



Member Since: 12 Oct 2018
Location: Staffordshire
Posts: 28

United Kingdom 
Decision time - Urgent advice sought L405 4.4 or 3.0

Toss up between a more expensive newer 4.4 and a less expensive 3.0 both lovely cars. Will see mixed use but not huge miles per annum. 4.4 is a lower tax bracket due to the age.

Obvious question apart from is the 4.4 more expensive to run, is the 4.4 a more lovely machine to live with.

Post #694024 7th Jun 2024 4:39pm
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D3Jon



Member Since: 15 Aug 2020
Location: Lincolnshire
Posts: 409

United Kingdom 

The 4.4 is far less likely to snap it's crank! Very Happy

It also doesn't need timing belt changes, as it doesn't have one (the 3.0 SDV6 does)!

The 4.4 is just superlative, with effortless power delivery, makes overtaking a doddle. I loved my 2011 TDV8 4.4TDV8!

At the moment, I have a 3.0 SDV6 Disco 4 (as I need 7 seats), and I can report that it is a HUGE improvement over the old 2.7 TDV6. It's got plenty of punch, but still 70 or so horses shy of the TDV8, and you can tell!

I live in dread every time I turn the key of the 3.0 D4, waiting for the possibility of a huge mechanical crunch and the car joining the great many you see on Ebay and AutoTrader, up for peanuts with a lunched engine!

I'd go for the 4.4 if I had the choice.

Jon 1992 RR Classic 3.9 efi Vogue
2014 Disco 4 HSE
===================
Both my fatties now gone...
Previous: 2011 L322 4.4 TDV8 Vogue SE /// 2002 L322 4.4 V8 HSE /// 2009 Discovery 3 2.7 TDV6 XS /// 2004 Defender 90 TD5 /// 1993 110 V8 Snatch Landrover /// 2005 Discovery 3 2.7 TDV6 SE (Aus) /// 1990 110 Isuzu 3.9 County (Aus) /// 1976 Series III Trayback (Aus)

Post #694032 7th Jun 2024 7:21pm
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Vogue



Member Since: 31 Jan 2008
Location: on the hill
Posts: 3719

United Kingdom 

I’m just going to leave this here :-

https://www.rrsport.co.uk/gallery/albums/u...M71816.pdf

https://static.nhtsa.gov/odi/tsbs/2016/SB-10106102-9340.pdf

http://www.disco3.co.uk/forum/topic148893....OveiCalsqz

And for what it’s worth we have had direct experience in our family of Crank failure in a V6 diesel as have several friends - the costs and inconvenience are catastrophic and in some cases have led to the vehicle being scrapped due to repair costs. The joke is the “Ford” engine is now being fitted to the Ranger - and guess what it’s all over social media - they are still getting crank shaft failures ! 2021 L405 Vogue SE 4.4 V8 DIESEL ~ #17


Last edited by Vogue on 7th Jun 2024 7:58pm. Edited 2 times in total

Post #694033 7th Jun 2024 7:50pm
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Tomgc61



Member Since: 12 Oct 2018
Location: Staffordshire
Posts: 28

United Kingdom 

Is the crank failure still an issue in a 2017 car? I thought they'd largely sorted it by then

Post #694034 7th Jun 2024 7:55pm
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Vogue



Member Since: 31 Jan 2008
Location: on the hill
Posts: 3719

United Kingdom 

According to my main agent - they solved it with the replacement straight six D300/D350 2021 L405 Vogue SE 4.4 V8 DIESEL ~ #17

Post #694035 7th Jun 2024 7:59pm
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Tomgc61



Member Since: 12 Oct 2018
Location: Staffordshire
Posts: 28

United Kingdom 

Major failure aside I was more interested in knowing what the 4.4 was like to use as a daily driver for varying journey lengths and types compared to the V6

Post #694036 7th Jun 2024 8:02pm
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Andy S



Member Since: 16 Jun 2013
Location: Sevenoaks
Posts: 982

United Kingdom 2015 Range Rover Vogue SE SDV8 Aintree Green

V8 every time. It’s a hell of a power plant; great acceleration, bucket loads of torque, smooth quiet, unflustered and makes a wonderful noise. FFRRs are also meant to be V8s (well in my world they are….)

Post #694037 7th Jun 2024 8:04pm
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Vogue



Member Since: 31 Jan 2008
Location: on the hill
Posts: 3719

United Kingdom 

Tomgc61 wrote:
Major failure aside I was more interested in knowing what the 4.4 was like to use as a daily driver for varying journey lengths and types compared to the V6


Endless power delivery throughout the whole rev range - takes off like a stabbed rat - we also have a 5.0 SVR here - yes the SVR is quicker, but it’s not a relaxed drive - you only lose 1 second 0-60. The bottom line is stick to a V8, or a straight 6 any of them in a 405 and avoid the V6 2021 L405 Vogue SE 4.4 V8 DIESEL ~ #17

Post #694038 7th Jun 2024 8:08pm
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Tomgc61



Member Since: 12 Oct 2018
Location: Staffordshire
Posts: 28

United Kingdom 

That seems fairly categorical! The dealers are all saying the V6 is all you need and the V8 is great if you have a caravan which I don't. I seem to remember reading that the 4.4 does not need to be overly thirsty if you're careful and I love the idea that the engine is low revving and under stressed which suits the RR ethos.

Post #694039 7th Jun 2024 8:26pm
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Vogue



Member Since: 31 Jan 2008
Location: on the hill
Posts: 3719

United Kingdom 

Dealers will say that - they have cars to shift. If you stick to the speed limits and don’t stamp your foot up to 35mpg is achievable with the V8 Diesel - the trouble is it’s difficult not too

Click image to enlarge


Seriously at 70mph, 8 speed box, the engine is just ticking over, no drama, no crisis just effortless. I’m on my 4th V8 diesel, and 17th RR - wouldn’t entertain anything else. I’m going to be stumped when it comes to change as it’s petrol V8 or nothing. 2021 L405 Vogue SE 4.4 V8 DIESEL ~ #17

Last edited by Vogue on 7th Jun 2024 8:56pm. Edited 2 times in total

Post #694040 7th Jun 2024 8:49pm
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Arch Stanton



Member Since: 26 Apr 2012
Location: chavshire
Posts: 432

England 2018 Range Rover Autobiography SDV8 Corris Grey

get the V8, they wont be around for much longer in a newish car so get one while you can. I love mine and will be sad when I move to a straight six D300/D350 in a short while. First time FFRR owner

Post #694041 7th Jun 2024 8:50pm
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BAZ8046



Member Since: 26 May 2023
Location: Chatham
Posts: 17

United Kingdom 2012 Range Rover Westminster 4.4 V8 Santorini Black

I have a 3.0 V6 D4 and a 4.4 TDV8 L322.
The 4.4 is better on fuel and will do well in to the 30’s on a run.
It’s so under stressed, it’s only doing 1,500 revs at motorway speed.
The crank issue is a problem on the 3.0 V6 but probably only affects a fairly low percentage of engines.
(He says whilst touching wood as my D4 has now done over 100k)
The 4.4 is a great engine and would be my choice, it’s a shame they never fitted it to the D4. 2012 TDV8 4.4 Westminster Santorini black
2016 Discovery 4 Landmark
2002 Defender TD5

Post #694043 7th Jun 2024 9:26pm
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Red Merle



Member Since: 19 Sep 2016
Location: Cornwall
Posts: 2158

United Kingdom 2017 Range Rover Autobiography SDV8 Aintree Green

My local dealer was so insistent that I only needed the V6 that, in the end, I had to go to another dealer to order a new V8!
That was nearly 7 years ago and with 153,000 + miles on it I haven’t regretted it for a minute 👍

Post #694045 7th Jun 2024 10:38pm
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RoverP5B Coupe



Member Since: 13 Dec 2022
Location: Powys
Posts: 7

Wales 2013 Range Rover Vogue SE SDV8 Santorini Black

I was similarly undecided as there's a logic on paper for the 3 litre but when it came to it there was only one choice.

The higher tax frustrates but when you've come through the ranks and compare the mpg to previous incarnations, I find it okay to live with.

I like driving the wife's 3.0 L494 but it confirms to me every time that I made the right choice.

The 4.4 is just a wonderful smooth engine that never fails to bring smiles and its longevity in the range speaks volumes.

Post #694046 7th Jun 2024 10:48pm
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Red Merle



Member Since: 19 Sep 2016
Location: Cornwall
Posts: 2158

United Kingdom 2017 Range Rover Autobiography SDV8 Aintree Green

Tomgc61 wrote:
Major failure aside I was more interested in knowing what the 4.4 was like to use as a daily driver for varying journey lengths and types compared to the V6


The V8 has a broader spread of power, with the single turbo TDV6 having very noticeable turbo lag at the bottom end. Ticking over at 1,350 rpm at 70mph is a joy, yet the pick up is still instant.
The V8 also corners a lot flatter and has vastly better brakes.
Fuel consumption will differ by 4-5mpg, but you won’t have the need to replace cambelts or the risk of the catastrophic cost of crank failure. The fuel consumption difference is a small price to pay for the reduction in costs elsewhere.

Post #694047 7th Jun 2024 10:49pm
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