TheAudi A8 4.2 TDI is the only V8 diesel engine in the luxury class with CO 2 emissions below 200 g/km (321.87 g/mile). The advancements with the 4.2 TDI are primarily the result of the increased injection pressure of the common rail system. The piezo injectors shoot the fuel out of the eight-hole nozzles at a pressure of 2,000 bar.

Whatis the fuel economy, Audi A8 (D3, 4E, facelift 2007) 4.2 BiTDI V8 (326 Hp) quattro DPF Tiptronic? 9.4 l/100 km 25.02 US mpg 30.05 UK mpg 10.64 km/l: How ECO is the car, Audi A8 4.2 BiTDI V8 (326 Hp) quattro DPF Tiptronic? 249 g/km CO 2 Euro 4: How fast is the car, 2007 A8 (D3, 4E, facelift 2007) 4.2 BiTDI V8 (326 Hp) quattro DPF Tiptronic?

pleaserefer to Self Study Programme 377 "Audi 4.2-litre V8 FSI engine" 607_106 2012 – Turbocharging and cylinder on demand The 4.0l V8 TFSI is the first Audi eight-cylinder petrol engine to feature right-hand side of the engine compartment) 607_007 FSI direct injection To utilise the potential of direct fuel injection for its V8 engines

Thefirst V8 TDI was installed in Audi A8 in 1999, and it was the 3.3-liter version. The 4.2-liter engine is the last generation of the V8 TDI series. That allows reducing the fuel consumption and emissions. For more power output, the engine was equipped with two last generation turbochargers Garrett GT17 (pressure is about 2.5 bars), one

Thelow engine speed significantly reduces actual fuel consumption. In the ECE cycle, the Audi A8 4.2 TDI clean diesel consumes just 7.4 liters of fuel per 100 kilometers (31.8 US mpg), corresponding to 194 grams CO 2 /km (312.2 g/mi). The 4.2 TDI clean diesel in the Audi A8 meets the requirements of the Euro 6 emissions standard.
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audi 4.2 v8 fuel consumption