TYPES
The current generation of A8s is available in a range of powerful diesel and petrol engine options including 2.8 V6, 3.2 V6, 4.2 V8, 3.0 TDI V6 and 4.2 litre TDI V8 with standard or long-wheelbase versions. The diesel versions all include semi-automatic Tiptronic gearboxes whilst Multitronic semi-automatic options are available for petrol engines. The 4.2 litre diesel V8 is the most powerful diesel engine Audi has ever produced in a car. It uses two turbochargers and two intercoolers, with each turbo functioning exclusively for one bank of four cylinders.
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