
Originally Posted by
oc cc
G70 3.3T competes with S4/5 no? I figure the RS5 would be quicker by quite the margin considering 365hp vs 444 hp
I will also note - my untuned S5 has pretty much lost to all my friends cars I have raced, and in most cases pretty badly (all of em from a roll). From a stock MT 340i ZHP, Stage 1 Mustang Ecoboost, stock Kia Stinger GT, stock C43 convertible (this one was embarrassing), stock G20 M340i xdrive (put like 5 cars on me), stock Q50 RedSport, and last but not least - I got SMOKED by buddies stock 21 Supra, he put a few bus lengths on my S5. I knew Supras were fast, but first time we pulled from 20 he legit thought I forgot to hit the gas pedal because he pulled on me so badly. Every single time we ran, I purposely got the jump but even going early he would pass me like I was not moving. Audi claims the S5 has 350HP, but it definitely feels less than that. It feels fat, slow, and full of cholesterol. Every time I race people I always press the pedal early and even with the delay my friends still get the jump somehow, because that's how awful this car is programmed with the pedal/trans. My last mod will be to get an ecu/tcu tune, but if it doesn't help with the sportiness of the car I am trading it in next year for a 718. I've had the car since July 2019 and only put 6k miles on it because I am always grabbing the keys to the other cars (Mazda 6 for daily, and 911 for the canyons).
I think 91 octane and maybe elevation has not been your friend? Though the Sportback is also about 80lbs heavier than the S4 or S5 coupe. I ran a 12.71 @ 108MPH in my S5 coupe 100% stock in my only attempt, let the car shift itself, full weight, that alone spanks just about everything you mentioned except the Supra and 340. Stinger GT's and RedSport's are everywhere here and have had multiple friendly freeway encounters, even stock, it wasn't close (talking bus lengths), so not sure why your experience is the opposite. Tuned for tuned, the S4/5 is running faster and trapping a few MPH higher than either of those. (The M40i and Supra are both just faster cars, tuned or stock, so expect to get beat there)
With EPL's 93 octane tune and an intercooler, I'm trapping 117MPH in the S5 now, 3.4 0-60 and consistent 11.7's (again, just mashing the gas and letting the car shift itself, nothing fancy) It wasn't slow stock, but now it's proper quick and has walked anything that has tried to play so far (though, granted, not a lot has). Me and a brand new RS5 (still had the dealer temp plate) had a friendly on-ramp run last week, is this one on-ramp that's about 1/4 mile long with two lanes that merge in the end and I had them by 1.5ish cars by the time we merged, was friendly and gave the thumbs up before they got off at the next exit. EPL's 93 tune should be putting out
at least 450HP/500TQ based on the numbers a whole bunch of folks have ran, though likely it's a bit more than that.
I do think we all agree that the 8 speed auto could be tuned better on the S models, but a stage 1 tune and an intercooler (to make things super repeatable, like back-to-back-to-back 11.81, 11.80, 11.79, hah) make a HUGE difference in this car, would definitely at least give it a try. After the tune, drive it in manual mode most of the time, and it's a blast w/ proper throttle response. Nothing is going to make a Sportback feel like a 718, just different driving experiences, but the tune makes it a hell of a lot more fun to drive, puts a smile on my face every time I get a brief part throttle squirt on open road.
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