Audi has revised the RS 5 Coupé (combined fuel consumption in l100 km: 9.1 (25.8 US mpg); combined CO2 emissions in gkm: 208 (334.7 gmi) and the RS 5 Sportback (combined fuel consumption in l100 km: 9.2 (25.6 US mpg); combined CO2 emissions in gkm: 209 (336.