I'd like to chime in here, although more D3 4.2 tdi related, but obviously crosses over to the d4.
4.2tdi D3., I love it, drives beautifully with all the power you could need on today's roads.
Things I don't like are - over 560 Road tax, no less than ten sensors in the exhausts ( a pain in the butt to access with electric connections on top of gearbox), two vgt turbos with electronic actuators to go wrong( also a pain to access), two egr valves, two dpf's, ........ a love/hate relationship really.
On the plus side the d4 with Sameish engine is far cheaper on road tax, plus faster and more economical.
Moan over.
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 2006 A8 d3 4.2tdi sport stoke-on-trent.
Last edited by ivanhoe; 2nd August 2019 at 08:18 PM.
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