2.5TDI or 3.0TDI - Club Touareg Forums
 
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post #1 of 5 Old 10-11-2012 Thread Starter
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Smile 2.5TDI or 3.0TDI

Hi,

I am an expat living in Switzerland and I am interested to buy a second hand Touareg with round about 80,000 to 100,000km. If I may ask for your expert advice, I have some questions to put forward.

- From a mechanical Standpoint, with a Touareg 2.5TDI or 3.0TDI with 80,000 to 100,000km still be on good condition, meaning not having small or big mechanical failings?

- I am eager to have a Diesel but I am unsure if the 2.5TDI is a bit small for the car. What's your idea? shall I go for 2.5TDI or 3.0TDI?

- Are there any standard fault points that I should look for when buying the Touareg?

thanks for your advice

Cheers
MercuryCube
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post #2 of 5 Old 10-11-2012
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No one can tell you how reliable any used car will be.

The Touareg can be expensive to fix so don't buy one if you have a tight budget.

If you buy one, get a good warranty.

Petrol consumption and price make diesel the only real option for you.

The 3.0 is a much nicer car all round than the 2.5.

Here's everything you need to know:

Buying a used Touareg. What to look for. - myTreg forums
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post #3 of 5 Old 10-11-2012
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the 2.5 has plenty of grunt and is super economical.

the 3.0 is a powerful 3.0 engine and pulls like a train but maintenance in terms of cam chain/belt can be expensive.

My bet would be on the 2.5 as there is less to go wrong provided the oil changes were done in time and with the correct spec oil.

Either way take Nooby's advice and make sure you get a comprehensive warranty with it.

All vw/audi engines must use 507.00 spec oil except non-DPF R5/V10 engines that must use 505.01/506.01
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post #4 of 5 Old 10-11-2012
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I don't recall a problem with the 3.0 Tdi timing chain? [Only the V8 has a belt and the 2.5 and V10 have timing gears.]

There have been one or two problems with the 3.2 petrol engine timing chain as it is at the rear of the engine block and not easy to access, but I think, from what I have read, often the problem is with the tensioner and not the chain unless it is dealt with too late.
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post #5 of 5 Old 10-11-2012
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I think the 2.5TDI fuel system is more reliable than the 3.0TDI engine. I'm a tractor mechanic and i see that the modern common rail fuel systems are very sensitive for dust and water while the pumpe düse engines are less sensitive. But the 2.5TDI has a more sensitive turbo. I would choose a 2.5TDI, only for it's unique sound (like a tractor but also for it's fuel economy and it's simplicity.
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