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Thread: V6 CDTI q?

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    West of Scotland Assistant Regional Organiser R2XPT's Avatar
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    Question V6 CDTI q?

    hi all im new here, i currently have a 2.6 v6 vectra gsi, im going to look at a v6 sri cdti 3.0 tomoro, what r they like performance wise to the 1.9 cdti 150?

    thanks in advance, raymond

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    Regular Member BIG NEIL's Avatar
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    not much difference of the mark, but the mid-range is were you would notice the difference and the smoothness of the v6 is great.
    it is also the quietest diesel i have ever had

    i'm sure someone will be along soon maybe with more stats but hope this helps a bit

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    West of Scotland Assistant Regional Organiser R2XPT's Avatar
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    thanks neil

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    Regular Member Caterman's Avatar
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    Off the line the lighter 1.9 is very slightly quicker but the big old V6 lump soon catches up

    In normal driving the V6 is easier as it is less "frantic" On the motorway it pulls like a train and the torque is superb.
    For thrashing around back roads a boxed 1.9 is a very quick car, me, i prefer the V6, much more refined, sounds better and has bags more grunt

    If you get a Euro 3 V6 (pre facelift) they can be tuned to around 225-230bhp and then they are a real beast. The Euro 4 facelift does NOT like being tuned at all

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    West of Scotland Assistant Regional Organiser R2XPT's Avatar
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    oh rite, its a 2006 on a 55 plate?

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    Regular Member m8internet's Avatar
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    Quote Originally Posted by Caterman View Post
    Off the line the lighter 1.9 is very slightly quicker but the big old V6 lump soon catches up
    Blink and you'll miss the difference...
    0 to 60mph on hatchback models :
    1.9 CDTI 120PS 10.5s
    1.9 CDTI 150PS 8.8s
    3.0 V6 CDTI 8.3s

    The reason the 3.0 V6 CDTI is slightly slower off the mark is not just the weight difference, but also that the turbo kicks in at different revs

    Mid-speed the 3.0 V6 CDTI puts the 1.9 CDTI 150PS to shame, at 50mph going from 6th gear to 3rd gear, and the 3.0 V6 CDTI just pulls away

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    Regular Member Caterman's Avatar
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    Quote Originally Posted by m8internet View Post
    Blink and you'll miss the difference...
    0 to 60mph on hatchback models :
    1.9 CDTI 120PS 10.5s
    1.9 CDTI 150PS 8.8s
    3.0 V6 CDTI 8.3s

    The reason the 3.0 V6 CDTI is slightly slower off the mark is not just the weight difference, but also that the turbo kicks in at different revs

    Mid-speed the 3.0 V6 CDTI puts the 1.9 CDTI 150PS to shame, at 50mph going from 6th gear to 3rd gear, and the 3.0 V6 CDTI just pulls away
    I know, i've got one. I've had the Veccy 1.9CDTi 150 in standard form and with 3 different tuning boxes on it. I've also had a Signum 1.9 CDTi 150 both standard and with a tuning box.
    I prefer my 3.0V6 CDTi Euro 4 which will stay untuned for reasons i have given and it is a perfectly capable machine.
    It is a better and more reliable engine too

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    Full Member Big Sig's Avatar
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    Quote Originally Posted by gsiray View Post
    oh rite, its a 2006 on a 55 plate?
    It will be a euro 4
    Now I need a turbo to keep up!

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    Regular Member nutron's Avatar
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    The 3ltr uses alot more fuel than the 1.9CDTI even when the 1.9 is tuned up

  10. #10
    Regular Member Caterman's Avatar
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    Quote Originally Posted by Big Sig View Post
    It will be a euro 4

    Yup, so not tuning that then Unless you want to stump up around 3K when the fuel pump pops

    It's still quick enough without though

    Quote Originally Posted by nutron View Post
    The 3ltr uses alot more fuel than the 1.9CDTI even when the 1.9 is tuned up
    ........not A LOT more Karl, more yes granted but i get 42mpg+ on a "spirited" run and mid 30's around town. My 1.9 was high 30's low 40's round town and high 40's on a run so not a huge difference
    Last edited by Caterman; 29th June 2008 at 22:30.

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