Drew, we have both a 2013 S4 and a 2013 S5, you are welcome to come by and drive both. The handling of the cars is virtually similar. The S5 is 2.4 inches shorter than the S4. To me the S5 feels a little looser in the rear than the S4, but each driver may have a different opinion. 2. NedRed77. • 5 yr. ago. Having owned both a B8.5 S5 and currently running a B9 S5, they're fairly similar. The B9 is just as thirsty. The B8.5 has a slightly better exhaust note on the shifts with more crackles and pops, the B9 sounds louder in general. The lack of iPhone integration in the older model was a massive pain in the arse. The petrol-fed M440i xDrive boasts 374 PS (368 hp), whereas the mild hybrid diesel engine on the new M440d xDrive is good for 340 PS (335 hp). So, given the fact that Audi offers only a diesel The 2021 A4 offers a base 2.0-liter turbo four-cylinder engine in a low-output configuration that makes 201 horsepower and 236 lb-ft of torque. But the A4's engine choice that lines up most Audi S4 vs. Audi S5 Sportback Reliability Rating. iSeeCars’ Reliability Rating for the Audi S4 is 8.5 out of 10. For the Audi S5 Sportback the reliability rating is 7.0 out of 10. This gives the Audi S4 an advantage in reliability compared to the Audi S5 Sportback. Audi A5 / S5 / RS5 Coupe & Cabrio (B9) - B&O A4 vs S5 Sportback Comparison - Hey guys, So I just dropped my sportback off at the dealership this morning for brake vibration and a small clinking sound coming from the rear underneath. Happens when accelerating hard from a stop and noticeable in small residential streets The S5 is taken to a new level by Audi for 2021. Under the hood is a 3.0L V6 producing 349 & mated to an 8-speed automatic transmission. On the outside the s 2022 Audi S5 Sportback vs 2022 BMW M340i. 2022 Audi S5 Sportback 8.4/10 MSRP - $56,395 2022 Audi S4. 2022 Audi e-tron electric. 2022 Audi S5 Sportback. 7Ey6VI.