The S4 stage 1 should definitely be much quicker than a stock S6. As far as I know, an APR stage 1 S4 will do an 11.6-11.7 @ 117mph, which is just as fast as a stage 1 S6 (per apr testing).
Its a easy thing to calculate . Sameish gearbox , sameish horsepower , s6 waaaaaaaay heavyer ;) tires and wheen rolling radius and weight mattered there ;) nice racin in mexico guys ;)
The S6 is a fantastic car, you can get a 2017 with normal mileage for around 44K. Keep in mind the difference between the S6 and the RS7 is just the turbos and a different mapping, not sure if there are other smaller things as well but main things are those 2. A tuned S6 with stock hardware is no joke, was this S6 bone stock?
I absolutely can not figure out how the interior works on the s4. I thought the 2018 model was changed to have digital gauges, pop up screen, new shifter, and different button placement for the climate control and stuff like that. Then i saw a 2018 that had everything but the new gauges. Then i found out that they arent even supercharged anymore. Turbo now. I was wondering why you guess didnt have the pulley to go with the tune.
Facts bro. I have a 2016 S6 APR stage 2 and just picked the wife up a 2019 s5 sportback. Tune will be on the way. Tuned S6 is definately a beast! And that sound is incredible. Nice ride by the way.
the b9 s4 or s5 is such bargin today u can get good one in like 30k and u get the amazing digital cluster and massage seats and reliable and fast even jus at stage 2