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Discussion Starter · #1 ·
http://www.myturbodiesel.com/1000q_how_to/8p/audiA3tdi_checklist.htm

Buyer's guide and checklist for the 2010 Audi A3 linked above. Here is what's confirmed about the Audi a3 TDI so far: release date late 2009/early 2010, same 2.0L TDI engine used in the Jetta/Golf, FWD only with s-tronic (DSG) transmission.

The article also includes video reviews, mag reviews, a factory tour where the A3 is assembled, and a comparison with the Golf/Jetta TDI. Also included are a few comments comparing the Audi A3 TDI with the Lexus HS250h, the new small Lexus hybrid also coming out late 2009. This is because the A3 is competing not just with other entry level luxury cars like the Lexus but it's own VW/Audi family like the Golf TDI.

It's in the "8P" directory because this is the chassis name. I can't really call it A3 since mk3 Jettas had this chassis name and it could get confusing. If Audi never releases the Audi A4 TDI then I'll roll any Audi A3 pages into a future mk6 VW directory.
 

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Would it be possible to put the power up to the 170 hp engine safely? You say that chip tuning is getting results but I would think you are approching the limits of the original setup, fueling, etc., what differences does the 170 hp engine have to make that much? Or is it just tuning?
 

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Discussion Starter · #16 ·
FYI, EPA fuel economy numbers for the A3 are 30 city/42 highway. This is the same as the Jetta with DSG transmission which is standard on the A3. The FAQ article is updated.
http://rumors.automobilemag.com/657...-20-tdi-30-mpg-city-42-mpg-highway/index.html

I looked into why the GTD has 170 hp:There are mechanical differences and software. Vs. the US engine, the injectors, exhaust, intercooler, and turbo are different. Obviously the ECU is different. However, I believe that some of these differences are for US emissions. The injectors on the 140hp vs. 170hp Euro engines are the same but not the same as the 140hp US engine. So I'm not exactly sure what the difference is. Same with the exhaust - the US TDI has a lot of emissions stuff on it.


Now how safe is 170 on the US spec engine? I am not a tuner so I can't say. But I would wait until tuning matures on this engine before putting my own engine to it.
 
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