CommonAudi S5 tire sizes: For more accurate info please select the production year above. 245/40R18. 265/35ZR19. 245/40ZR18. 255/35ZR19. NewAudi S5 Cars - Read a review of new and used Audi S5 Cars with detail on pricing, road test, reliability and rating. Under the bonnet, Audi's 4.2-litre FSI V8 provides 349bhp and 440Nm of VRTunedcom. November 8, 2016. Product Info. The Audi S5 coupe is beast mode with its 4.2L V8. When the coupe hit the market, it changed the look of Audi and continued to flourish with their 3.0T platform. When the RS5 landed in the USA, it solidified its place as a cult tuner platform. The Audi S5 is a great recipient for a performance ECU flash. 3point seat belts at all seating positions w/front tensioners, 4-wheel anti-lock brake system (ABS) w/electronic brake force Electronic stability program (ESP) w/anti-slip Audis S5 coupe faces up squarely with BMW's top-end 3 Series Coupes, matching the Bavarian brand for style and adding quattro all-wheel drive for unmatched all-weather traction. The 4.2-litre V8 winds out a healthy 260kW/440Nm and powers through manual or tiptronic auto 6-speed transmissions to reach 100km/h from zero in as little as 5.1 seconds. The2011 Audi A5 Coupe S5 4.2 V8 Quattro has 354 PS / 349 bhp / 260 kW. How much does a 2011 Audi A5 Coupe S5 4.2 V8 Quattro weighs? The 2011 Audi A5 Coupe S5 4.2 V8 Quattro weighs 1630 Kg / 3594 lbs. What is the top speed of a 2011 Audi A5 Coupe S5 4.2 V8 Quattro? The 2011 Audi A5 Coupe S5 4.2 V8 Quattro top speed is 250 Km/h / Saveup to $10,533 on one of 1,114 used 2009 Audi S5s near you. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. Detailedcar specs: 2008 Audi S5. Find specifications for every 2008 Audi S5: gas mileage, engine, performance, warranty, equipment and more. 4.2L V8 DOHC 32-valve MmUC.