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V11 STi <JDM 2.0 vs NZ New 2.5>


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So looking at the prospect of purchasing a V11 STi.

Everyone is out to get a bargain or the best possible deal for themselves and clearly the NZ 2.5L are slightly cheaper than a JDM 2.0 equivalent.

I've read all the online comparisons between USDM and JDM and understand that the 2.0 is a stronger motor overall for mods etc. and am aware of the obvious extras the JDM ones come with such as Recaros.

The trust is, I just really want for daily drive and the occasional casual playday at the track. It will be a family car and will be buying a manual one.

I don't plan on doing any major mods- just keeping it stock but chucking on good tyres, pads and maybe new rotors if needed.

The most I would do is a turboback or catback exhaust and maybe a remap/tune.

With that in mind, in the context of NZ, what are the pros and cons of purchasing a 2.0 vs a 2.5 given my needs?

Is the 2.5 really as bad as they are made out to be?

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why not drive both and go from there?

The 2.5's don't have the best reputation for longevity but more displacement = more potential for power plus you get low down power

the 2.0 come with basically the best of the best ej20 engine, forged internals,twin scroll,avcs. Easily modable later on upto 250kw without need to change internals

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No forged pistons after v7 sti.

The 2.5 is a mint engine gets a bad rep because pricks dont understand theyre choked as fck in factory form. The have a turbo to small for a 2l and the tune is based on emissions. Throw a decent turbo with a decent flowing hotside and a 3in turbo back then tune it. Then watch it last and enjoy a torquey fun daily.

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The early Jdm v11s leaned out towards redline, subaru Japan offered a reflash fix which sorted that particular issue.

Funnily enough, the early v11s, Jdm again, had a bad batch of rings resulting in premature engine failure. I had one. Expensive it was. Very.

I wouldbt buy one pre 2010, which is when they released the sedan shape as well as the hatch.

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go for the facelift if you can afford it.

as well as sedan option the suspension was much improved, with front spring rates increased by 20%, rear spring rates by about 50 % as well as changes to the steering.

effectively spec c suspension

:D

Edited by newsuba
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 kwi_fozze said:
The early Jdm v11s leaned out towards redline, subaru Japan offered a reflash fix which sorted that particular issue.

Funnily enough, the early v11s, Jdm again, had a bad batch of rings resulting in premature engine failure. I had one. Expensive it was. Very.

I wouldbt buy one pre 2010, which is when they released the sedan shape as well as the hatch.

I knew i had read that some where here that had issue with the V11, did they still make the hatch after 2010 though?

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a) drive them both and make a decision, I like the 2.5 far more but either is a rocket of a daily to be fair

b) get one with a warranty

c) thrash constantly with no worry about reliability issues

If track work required buy a sh!tty old GC and tow it with the new car to avoid b) and c) being voided

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Go facelift ;)... my 2012 WRX 2.5 had to be fully rebuilt at 120,000km before I purchased it, but I'm unaware of how the previous owner had treated it as I got it through a dealer. Low down power is great but not sure how comparable the whole thing is to the 2.5 STi.

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  • 4 years later...

I've had my 2.5 for over 2 years now. I love the power it offers and how it delivers it. Mines a v11 2009 Hatch. My last wrx was a '95 I bought on 2002. My latest STI is just astonishing round hills and cornering. As it was when it left the factory.  Can't go wrong. I honestly will not be upgrading or updating from my 09 Hatch.  I will spend 5k on paint and 2K on rims many years from now. Great shape. A future  Classic I believe 

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