2011, 42, a4, action, audi, burning, class, comsumption, consumption, engine, lawsuit, normal, oil, s4, v8. S4 (B6 & B7 Platforms) Discussion - CLASS ACTION OIL CONSUMPTION 4.2 litre V8 - Hey Guys, The reason I'm making this post is to see how many of you out there have an issue with consuming way more oil than the vehicle should? My oil light Nick Roshon. 33 15,169 3 minutes read. One of the best, and certainly most cost-effective, ways to add power to your B6/B7 Audi S4 with the 4.2 V8 is the downpipes. The factory system contains two sets of catalytic converters on each downpipe, a pre-cat and a main cat. The pre-cat in particular robs the engine of power because it is very close The V8, no doubt, sounds better at idle and lower rev's. Especially vs the V10 when cold started. The V10 seems to overwhelm at high revs, when it's screaming! You really can't go wrong either way. This is an older thread, you may not receive a response, and could be reviving an old thread. The 4.2-liter V8 is generally reliable, except on the B6 and B7 S4 2008 Audi S5 4.2-liter V8 engine | Audi. Another seemingly-odd choice for a reliable used Audi engine is the 4.2-liter V8. On the one hand, Ward’s Auto and Eurosport Tuning hold high opinions of it. But on the other hand, the trouble-prone B7- and B6-gen S4s used it. Mileage: 86,643 miles MPG: 14 city / 21 hwy Color: White Body Style: Wagon Engine: 8 Cyl 4.2 L Transmission: Automatic. Description: Used 2008 Audi S4 with All-Wheel Drive, Roof Rack, Parking Sensors, Convenience Package, Heated Seats, Navigation System, Keyless Entry, Fog Lights, 19 Inch Wheels, Bose Sound System, and Side Airbags. Firstly, the car is fast. 0-62mph is 4.5 seconds so it really does go. However, the exhaust pops a little but the note is very artificial and in a V6, something you would expect. The engine is fairly efficient and its a comfortable drive. Reliable as expected seeing as it is an Audi and space wise you cannot complain! Off-topic ~~~ http://ROADFLAVOR.pl/9-goniac-za-pisankami/2003 Audi S44.2 V8 350hpMilltek Sport Exhaust--- www.ROADFLAVOR.pl ---FB: http://www.facebook.com/ro 6 days ago · See pricing for the Used 2008 Audi S4 Quattro Sedan 4D. Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 2008 Audi S4 Quattro Sedan 4D. V8, 4.2 Liter. Horsepower. 340 @ 7000 FBnGH4t.