Powered by a 109hp (110PS) 1.6-liter diesel engine, the Audi A3 1.6 TDI Ultra has an average fuel consumption of just 3.2 liters/100 km (73.5 US mpg). This is equivalent to CO2 emissions of just ...

Today's 2020 Audi A3 starts at $33,300 (plus $995 delivery), and it's unlikely the fourth-generation model will stray too far from that neighborhood. Correction, 11:32 a.m. PT: The overall length ...