Complete technical specifications for the Fiat 500 500C TwinAir 85 By Diesel — 85 hp, petrol, convertible, 2010. Performance highlights: 0–100 km/h in 11.0 s, top speed 173 km/h (107 mph), consumption 4.1 l/100km (68.9 mpg UK · 57.4 mpg US).