Is it expensive to maintain SQ7 with V8 TDI or is a 10 year old A8 3.0TDI any better ?
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Welcome to another video.
This time we have SQ7 with TDI engine and A8 3.0TDI in our garage . Both of these cars need some work doing , question now is whats a better option to buy? Expensive high performance TDI car or something cheaper ?