text: A1 e-tron (2010) The Audi A1 e-tron concept car, an electric variant of the Audi A1 production model, was first shown at the 2010 Geneva Motor Show. The A1 e-tron is a series plug-in hybrid, powered by an electric motor from UQM with a continuous output of , and a peak output of . A 254 cc Wankel engine is also used to power a  range-extending generator.
  e-tron Spyder (2010)
  Shown at the 2010 Paris Motor Show, this roadster is a plug-in hybrid powered by a  twin-turbo TDI 3.0 L V6 diesel engine driving the rear wheels, plus two electric motors together producing  powering the front wheels. Acceleration to  is achieved in 4.4 seconds, and it could theoretically travel  on electric power at the equivalent of 107 mpg. Audi also claimed the car had a range of 620 miles on combined diesel and electric power.
  Audi presented the e-tron Spyder in January 2011 at the Las Vegas Consumer Electronics Show, near identical to the Paris show car, but this time painted bright red. The car was advertised with the same performance specifications, including an electronically limited top speed of .
  A3 Sportback e-tron all-electric (2011)
  The Audi A3 e-tron is an all-electric car variant of the Audi A3 production model. The A3 e-tron is powered by an electric motor under the hood which sends power from the rear- and mid-mounted battery packs to the front wheels. The 26.5 kWh lithium-ion battery pack provides an optimal range of around , but between  in real driving conditions. Top speed is limited to .