Audi combineert start/stop met automaat

Audi A3 Sportback
Audi gaat zijn Start/Stop systeem vanaf heden ook koppelen aan de S Tronic automatische transmissie.

Het Start/Stop systeem was vroeger enkel beschikbaar bij handgeschakelde transmissies maar Audi zal het systeem nu ook integreren in combinatie met het S Tronic versnellingsapparaat met dubbele koppeling. Het systeem doet zijn intrede in de Audi A3 1.6 TDI (105 pk) en 1.4 TFSI (125 pk). Het Start/Stop systeem wordt bij de automatische transmissie ingeschakeld zodra de bestuurder stilstaat en de rempedaal indrukt, zodra de bestuurder zijn voet van het rempedaal haalt start de motor opnieuw.

Dankzij het Start/Stop systeem verbruikt de A3 1.6 TDI maar 4,2 liter per 100 kilometer en de A3 1.4 TFSI 5,3 liter per 100 kilometer. De CO2-uitstoot bedraagt bij de 1.6 TDI 109 gram CO2 per kilometer terwijl de benzine 124 gram CO2 uitstoot. Beide A3 modellen worden ook uitgerust met een onboard energy-recovery systeem, tijdens het remmen wordt een alternator aangedreven om de energie te recupereren. Deze energie wordt dan kortstonding in de batterij opgeslagen om zo brandstof te besparen. De A3 met S-Tronic en Start/Stop worden vanaf November verkocht, de 1.4 TFSI is er vanaf 23.700 euro, de 1.6 TDI vanaf 25.500 euro.

World premiere: Audi combines start-stop function with automatic transmission
Convenience and efficiency combined
Use in Audi A3 1.6 TDI and 1.4 TFSI
Innovations from Audi’s Modular Efficiency Platform
Thanks to the synergetic impact of technologies from the Modular Efficiency Platform coupled with Audi’s technological expertise, the start-stop system is now being offered in conjunction with an automatic transmission. The A3 1.6 TDI with 77 kW (105 hp) and the 1.4 TFSI with 92 kW (125 hp) combine – for the first time – the start-stop function with the innovative S tronic dual-clutch transmission.
The start-stop system turns the engine off as soon as the vehicle comes to a stop; the engine stays off as long as the driver depresses the brake pedal. As soon as the driver removes their foot from the brake pedal, start-stop turns the engine back on – quietly, conveniently and quickly.
In addition to impressive driving performance, these A3 models sip an exemplary 4.2 liters of diesel per 100 kilometers (56.00 US mpg) (1.6 TDI) or just 5.3 liters (44.38 US mpg) of premium unleaded (1.4 TFSI). This means that the A3 1.6 TDI emits just 109 grams of CO2 per kilometer (175.42 g/mile). With regard to the A3 1.4 TFSI, emissions amount to 124 g/km (199.56 g/mile).
The A3 1.6 TDI is powered by a four-cylinder TDI, which delivers 77 kW (105 hp) at 4,400 rpm from a displacement of 1,598 cc and – between 1,500 and 2,500 rpm – steadily transmits 250 Nm (184.39 lb-ft) of torque to the crankshaft. In conjunction with the S tronic, the TDI propels the three-door A3 from 0 to 100 km/h (0 to 62.14 mph) in 11.7 seconds en route to a top speed of 194 km/h (120.55 mph).
The A3 1.4 TFSI delivers 92 kW (125 hp) from a displacement of 1,390 cc; its maximum torque is 200 Nm (147.51 lb-ft) between 1,500 and 4,000 rpm. In conjunction with S tronic, this vehicle accelerates from 0 to 100 km/h (62.14 mph) in 9.3 seconds and tops out at 203 km/h (126.14 mph).
Also standard in both A3 models is an on-board energy-recovery system. During braking and coasting phases, this intelligently controls the alternator to recover energy, which is temporarily stored in the battery. This energy is then fed back into the electrical system during acceleration – thus reducing the load on the alternator. That saves fuel. The energy-recovery system and the start-stop system unleash their potential in particular in urban-driving conditions – precisely where most customers drive every day.
Audi will begin selling the A3 1.6 TDI and the A3 1.4 TFSI as a three-door and as a Sportback in November 2009. Prices for the 1.4 TFSI remain unchanged at €23,700 (3-door) and €24,600 (Sportback). The new 1.6 TDI with S tronic will sell at a base price of €25,500 for the 3-door and €26,400 for the Sportback.

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