Complete technical specifications for the Audi A4 Avant 2.0 TFSI CNG 170hp — 170 hp, petrol, wagon, 2017. Performance highlights: 0–100 km/h in 8.5 s, top speed 223 km/h (139 mph), consumption 4.0 l/100km (70.6 mpg UK · 58.8 mpg US).