Audi A4 Ambition Vs S Line

We took the latest Revo B9 A4 S4 development vehicles to a private proving ground and put them head to head A stock S4 with. All Audis seem to get quicker and quicker but does that mean that the difference between a S model and a regular one has.

Got a chance to review my loaner car Audi A4 S line review. 9 Audi Most Reliable Cars to Drive FOREVER Discover which Audi models can rack up 300000+ miles without breaking the bank.