1 1. A4 (B8 Platform) Discussion - B8 s-line vs. non s-line, seems to be very subtle exterior differences - I've done a search between the 2 and the differences (exterior) seem so miniscule. This is what I'm looking for: The s-line package simply for exterior looks. However, it seems I would have to get the most Audi A4 Repair Costs: $3,000; Audi A6 Repair Costs: $3,500 Lexus vs. Audi maintenance cost: and the mechanic will line up payment from your warranty provider. 437 USD. Dedicated for Audi A6 C7 / 4G facelift models, made between 2014-2018, only with S-Line package. Includes: front bumper extension Matrix, rear bumper extension Matrix, side skirt extensions Matrix. Optional: side extensions (only for avant). Audi A6 / S6 C7 / 4G Facelift Matrix Front Bumper Extension. The 2019 Audi A6 encapsulates passengers in an elegantly styled shell and dazzles them with a high-tech interior environment. Although it's rated for 29 mpg, our A6 S-line test vehicle managed Take a battery reading with the engine off, start the engine and take another reading. A healthy lead acid car battery should be around 12.5 volts at rest. You should be seeing around 14.5-ish volts with the engine running right after a start. It will drop down to the low 14's after 15-20 minutes as the battery recovers. Don’t pay more just because it’s at an Audi dealer. Also I hear that stage 1 isn’t really the best for racing from stop. It’s really in the higher rpm where it’s felt. Also right now you don’t have many good tuning options if it’s a C7.5 although integrated engineering is coming out with it very soon 2016 Audi A6 prestige black optic. In regards to an A6 vs. S6I used to own an A6 Prestige and I loved the 3.0T. One day I test drove a C7.5 S6 and I was addicted to that V8T. The A6 put a grin on my face. The S6 puts a smile on my face. A S6 with a tune will have you giggle like a little girl. Conti silents. RS 7 - Dynamic (DRC) vs Air Suspension in real world situations - Initially, the automotive press complained that the air suspension was too soft in aggressive street or track settings, allowing for too much body roll and therefore, too much under steer (then quickly gushing over the handling of the rival M6). 7IvFt.