Audi A1 Engines
Not surprisingly the latest addition to the Audi range employs the most compact and fuel efficient Audi engines, all of which compensate very effectively for their relatively small displacements with the latest turbo charger technology. The A1 will be available with three impressively frugal units, a new 1.2 TFSI petrol engine with 86PS, a 1.4 TFSI petrol engine with 122PS and a diesel 1.6TDI engine with 105PS, all optimised by engine start-stop and energy recuperation systems to achieve low CO2 emissions and fuel consumption.
The 1.4 TFSI will also be available with standard manual transmissions, as well as a seven-speed dual-clutch DSG S tronic gearbox and start-stop technology.
TFSI: Direct petrol injection and turbocharging combined
TFSI technology unlocks superior power, more dynamic performance and better economy from petrol engines.
For example, the 1.4-litre version of the TFSI engine features great economy and, thanks to its turbocharger, manages to deliver an amazing torque top speed. Quite simply, it feels as though it's a bigger engine than it is.
You'll notice enhanced driving enjoyment with spontaneous and dynamic torque build up. In turn, this encourages you to change up earlier so you don't feel the need to rev the engine so much, promoting greater efficiency.
TDI - and the most fuel-efficient Audi ever
A dedication to pioneering technology has brought Audi great expertise in turbocharged diesel engines. All Audi TDI engines are equipped with common rail technology to achieve smooth, efficient and quiet combustion. Diesel fuel related emissions are significantly reduced thanks to a diesel particulate filter, fitted as standard, which filters out almost all soot particles contained in the exhaust gas.
The turbocharger has variable turbine vane geometry to help produce higher torque and stronger pulling power. And sophisticated air-flow control also contributes to the engine's capabilities while simultaneously reducing nitrogen oxide emissions.
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TFSI: Direct injection petrol and turbocharging combined
TFSI technology unlocks superior power, more dynamic performance and better economy from petrol engines. In fact, compared with many naturally aspirated engines with more cylinders, TFSI delivers the same sporty performance but using 10 to 15% less fuel.
FSI and turbocharging technology work so well together because the evaporation of fuel in the combustion chamber cools the intake air giving higher compression, improved engine efficiency and, in turn, lower CO2 emissions.
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Audi A1 Saving You Fuel
Start-stop technology
All engines available on the Audi A1 feature start-stop.
When you're stuck in traffic or stopped at traffic lights, your idling engine still uses fuel. Our start-stop technology switches off the engine when you're not moving and out of gear.
The starting procedure is triggered as soon as your foot depresses the clutch and you're up and running by the time you've selected a gear. Simple. This saves on energy, CO2 emissions and up to 0.4l of fuel for every 100km.
When you decelerate, the energy created is lost. Brake energy recuperation recycles this energy to lighten the load on your engine. It can reduce fuel consumption by up to 3%.
When you're coasting or braking, the car's alternator generates energy. Brake energy recuperation allows this energy to be stored. When you accelerate or drive at a constant speed this stored energy is used so less energy is wasted in driving the alternator. This lowers fuel consumption and CO2 emissions.
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