Hi, this may be a Stupid question but I can seem to find the difference, I'm looking at Buying a D4 around 2010 - 2012 reg mileage etc depending, but I keeping seeing either 3.0tdv6 or 3.0 sdv6! Any advice of the difference greatly received as I can seem to find the answer on the web! Thank you!
5th Jan 2017 11:46 pm
Gareth Site Moderator
Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26701
Your not joking!! Thank you for the link very interesting 10bhp I'm not bothered about, but 8 speed boxs I'm assuming gets better mpg so will get hunting! Looks like a bloody mine field though!
6th Jan 2017 12:14 am
discoteca
Member Since: 08 Mar 2010
Location: Warwickshire
Posts: 1477
If you are set on 8 speed box then it makes your hunting easy to identify what you are looking at when browsing used car ads: 8 speed always has the rotary gear knob
Never mind the Bhp it's the Nm, the 8 speed uses the power better as the ratios are closer therefore smoother Altox GSM FBH controller thread
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6th Jan 2017 12:33 am
discoteca
Member Since: 08 Mar 2010
Location: Warwickshire
Posts: 1477
Agree the 8 speed will 'use' the torque better because of the closer ratios; but the NM are the same between the two aren't they at 600?
6th Jan 2017 12:42 am
a11geo
Member Since: 06 Nov 2010
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I believe I'm right in saying that the 'S' in STV6 referres to the sequential twin turbo set up (which in part deliveres the extra power discussed in the above link).MY12 D4 HSE Marmaris Teal
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6th Jan 2017 1:19 am
Pedros
Member Since: 25 Jun 2011
Location: Cumbria
Posts: 454
The engines, I understand are the same twin turbo 3.0 litre v6. It's primarily (but not only) the gearbox that is different. There's really nothing wrong with the 6-speed box, but the 8-speed is better by a margin and that is the main difference. As you say, the 10bhp difference is there but in the great scheme of things, both cars, being what they are (big heavy bricks) zip along surprisingly well, especially when compared with previous incarnations.
The rotary pop-up gear selector was not a universally well received thing by many, but the criticisms seem to have quietened down. Which would make sense. Having driven both, the rotary knob takes a bit of getting used to, but it grows on you.
6th Jan 2017 2:30 am
Popelka
Member Since: 31 May 2008
Location: Praha (Prague)
Posts: 2430
visual on the sdv6
visual on the sdv6Experience is a difficult teacher, because she gives the test first and then the lesson afterwards!!!!
Thank you every body for the replays. Im going to have to see how far the budget will stretch but im happy knowing if can't stretch to a sd a td be fine to!
6th Jan 2017 7:19 am
Dave T
Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902
the 8 speed only came in at 2012 remember, that's not the SD TD differenceJoined the BMWX5 45e group
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6th Jan 2017 7:53 am
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72787
Righty. They couldn't have made it much more confusing if they tried could they. Unless it's me just being thick.
So you can get:
3.0 TDV6 which is 245 bhp on a 6 speed box.
3.0 sdv6 which is 255bhp on a 6 speed box.
3.0 sdv6 which is 255bhp on a 8 speed boxs which has the different gear selector. Normal 2012 plate onwards.
So really going to have to check paperwork before buying to claffiy just what is what and check chassis numbers etc
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