Nevertheless, the V8 powered S5 was hugely successful, no surprise given the incredibly sexy body, combined with the V8 power, and throbbing exhaust note. Fast forward a few years and things like fuel economy and CO2 began to weigh heavily on the auto industry. This of meant smaller, more frugal and cleaner engines would be needed. 84 ft 3 (2 door) Luggage Volume. 12 ft 3 (2 door) Fuel Type. Premium Gasoline. Engine Descriptor. Transmission Descriptor. Fuel Economy of the 2010 Audi S5. Compare the gas mileage and greenhouse gas emissions of the 2010 Audi S5 side-by-side with other cars and trucks. See our. Detailed specs and features for the Used 2014 Audi S5 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. The Audi S5 is the performance variant of the Audi A5. The S5 coupe has a direct-injection 4.2-liter V-8 engine with 354 horsepower, while the convertible has a supercharged 3.0-liter V-6 that Prestige Cabriolet 2D. $56,925. $16,171. For reference, the 2015 Audi A5 originally had a starting sticker price of $42,625, with the range-topping A5 Prestige Cabriolet 2D starting at $56,925. . The V8 will devastate the V6 super-charger. Add an S5 supercharger and you have 530-600 HP going 3.8 seconds 0-60. S5 tested at 4.8 seconds 0-60 MPH by Car & Driver, while the S4 V6 tested at 4.9 seconds. The S5 cab tested at 5.2 seconds. I used it once on my A5 2.0 TFSI and A3 2.0 TSI and had good results. However, it's much more expensive than techron so I switched over to techron recently. BG 44K is $23 for 20 gallon treatment = $1.15 /gal. Techron with Autozone BOGO is $9 for 24 gal treatment = $0.38 / gal. The B8 S5 is very reliable and can easily be used as a daily driver or for long road trips. Audi S5 V8 Common Problems Carbon Build Up. Carbon build-up is a common problem with direct injection engines, the Audi S5 V8 included. The engine uses fuel injection directly into the combustion chamber of each cylinder for better performance and It stinks of fuel while I have the window down at slow speeds. Especially while cold. Also stinks after a hard pull. It isn't coming from the engine bay it's more around the sides of the car. The oil also seems to smell of fuel. I've had all 6 injectors refurbished. Compression and leak down test is OK. 178 posts · Joined 2014. #4 · Jun 15, 2015. you have to remove the bench seat, which is remove the child seat hoot covers and plastic insert, then on pass and drivers side you pull up (considerable force) on the seat. you will break the clips and would need replacing as well as tweaking the bench frame to get it to fit straight again. then

audi s5 4.2 v8 fuel consumption