Complete technical specifications for the Audi A5 Sportback 2.0 TFSI CNG 170hp — 170 hp, petrol, hatchback, 2017. Performance highlights: 0–100 km/h in 8.4 s, top speed 224 km/h (139 mph), consumption 3.9 l/100km (72.4 mpg UK · 60.3 mpg US).