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The TFSI engines in the Audi A1
Audi TFSI engines achieve a very high compression rate. This results in exceptional efficiency combined with enhanced performance capabilities. Take the 1.4 TFSI 110 kW (150 bhp) unit with Audi cylinder on demand technology in the Audi A1, for example: it takes the car from 0 to 100 km/h in 7.8 seconds and is capable of reaching a top speed of 215 km/h.
The TDI engines in the Audi A1
With their combination of direct injection and turbocharging, Audi TDI engines promise outstanding performance – thanks to their high torque levels over the entire engine speed range with constant power build-up.
Audi cylinder on demand.
Even cylinder heads can be intelligent, as Audi cylinder on demand proves. In the partial load range, cylinders two and three of the 4-cylinder TFSI engine shut down automatically. This helps to lower fuel consumption and reduce emissions. And without the switchover even being noticed or impairing the driving dynamics.