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Which Discovery 4 / LR4 - 3.0 TDV6 or 5.0 V8?

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Which Discovery 4 / LR4 - 3.0 TDV6 or 5.0 V8?

Post by A-RO 95 » Sun Aug 05, 2018 11:12 am

Hello all, I am based in Germany and I am looking to buy a Discovery 4 / LR4.

I have done a bit of research and I am still not sure whether to go for a locally sourced 3.0 Turbo Diesel or import a 5.0 Normally Aspirated Petrol from the UAE. Including transport and import of a 5.0 from the UAE, the cost of both alternatives should be very similar.

Here my Pros / Cons list

5.0 Petrol
Pros
Currently, no foreseeable restrictions entering German cities
Less vulnerable to variable fuel quality
More relaxed cruising on the German Autobahn

Cons
Appalling fuel economy
Less torque
No heated seats!

3.0 Diesel
Pros
Better fuel economy
More torque

Cons
Potential ban from entering cities here in Germany
Fuel quality and possible problems with DPF and ECU
Availability of Diesel fuel for private vehicles in some East European / Asian countries


As you can see, I currently have found more pros for the Petrol than the diesel, but the 2 Pros that I have for the diesel are very important points and more immediate as I am not sure when and how often we will be travelling more further afield!

A point on which I am unsure at the moment is reliability:
I have read quite a bit about engine and crankshaft failures with the 3.0 Diesel.
How widespread are the problems, how seriously should I take this point?
How reliable are the supposed improved post 2012 diesel engines, and from which VIN?

I have not found much information on the reliability of the 5.0 normally aspirated petrol engine, I take that this is due to one of two reasons:
1) There are no known major problems – people are more likely to write their opinions if they have something to complain about!
2) Fewer vehicles on the road with this engine, and those on the road generally have lower mileage / are not used as hard as the diesel engine versions.
What are the known weak points of this engine?

I would welcome your experiences / views / opinions.

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Re: Which Discovery 4 / LR4 - 3.0 TDV6 or 5.0 V8?

Post by RichardDSII » Wed Aug 08, 2018 4:51 pm

Well, I think I'd have the V8 :lol:
I only bought the 3.0 sdv6 because the V8 isn't available in the UK...
3.0 aren't without their problems, cranks snapping and such like, but a remapped 3.0 is a fair 'ol machine when all said and done :)
Richard.
vicechair@discoveryownersclub.org


D4 SDV6 HSE Lux
DII V8 ES Premium - New 'tweaked' 4.0 V8 installed.
RRC '95 MY - Standard-ish, V8.
AC Cobra Replica - Yep, it's a V8 as well.
Dax Rush - oh look, another V8...
Ford Fiesta - 1.4 Titanium Auto - Rachel's wheels

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Re: Which Discovery 4 / LR4 - 3.0 TDV6 or 5.0 V8?

Post by v8dolphin » Tue Sep 25, 2018 12:11 pm

i have a 4.4v8 discovery 3hse and it is the best engine in all my landrovers if i could get the 5.0l i would get one
Peter
TVR powerd D1 origional v8dolphin
Red xs D1 v8
Monti carlo blue D2 v8
Camel trophy discovery (the last one !) uk and russian team
Discovery 3 v8 HSE
Discovery 3 G4 challenge 08 selections (British team )
4 X discovery D1 for spares
3

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Re: Which Discovery 4 / LR4 - 3.0 TDV6 or 5.0 V8?

Post by Terrierking » Fri Sep 28, 2018 2:37 pm

I've always loved the V6 oiler, In ten years of owning my D3, the only motor problem was a very tiny water leak from a head gasket.
Any other problems were all bits that bolt on. The big V8 is fine engine, but I'm more interested in how far the fuel goes.
Do I want to go to any city that doesn't want my car in it? = HELL NO...
Rog #840
Discourse Editor (yet again) :pcpunch:
"Ebony" blacked out D5 ES


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