Volkswagen-Audi V8 engine
| Volkswagen-Audi V8 engines | |
|---|---|
| Overview | |
| Manufacturer | Volkswagen Group |
| Production | 1988-present (Gasoline engines) 1999-present (Diesel engines) |
| Layout | |
| Configuration | 90° V-8 |
| Displacement | 3.6–6 L (220–366 cu in) (Gasoline engines) 3.3–4.2 L (201–256 cu in) (Diesel engines) |
| Cylinder bore | 81–84.5 mm (3.19–3.33 in) (Gasoline engines) 78.3–83 mm (3.08–3.27 in) (Diesel engines) |
| Piston stroke | 86.4–93 mm (3.40–3.66 in) (Gasoline engines) 86.4–95.5 mm (3.40–3.76 in) (Diesel engines) |
| Valvetrain | 32-valve or also 40-valve for high-output petrol engines, DOHC, four-valves per cylinder |
| Compression ratio | 10.3:1–11.3:1 (Gasoline engines) 16.0:1-18.5:1 (Diesel engines) |
| Combustion | |
| Turbocharger | Twin-turbocharged (Gasoline engines; 2012-present) Twin-turbocharged (Diesel engines; 1999-present) |
| Fuel system | Fuel injection |
| Fuel type | Gasoline / Diesel |
| Oil system | Dry sump |
| Output | |
| Power output | 227–750 hp (169–559 kW) (Gasoline engines) 221–429 hp (165–320 kW) (Diesel engines) |
| Torque output | 250–627 lb⋅ft (339–850 N⋅m) (Gasoline engines) 354–664 lb⋅ft (480–900 N⋅m) (Diesel engines) |
| Dimensions | |
| Dry weight | 195–211 kg (430–465 lb) (Gasoline engines) 255–368 kg (562–811 lb) (Diesel engines) |
| Chronology | |
| Predecessor |
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The Volkswagen-Audi V8 engine family is a series of mechanically similar, gasoline-powered and diesel-powered, V-8, internal combustion piston engines, developed and produced by the Volkswagen Group, in partnership with Audi, since 1988. They have been used in various Volkswagen Group models, and by numerous Volkswagen-owned companies. The first spark-ignition gasoline V-8 engine configuration was used in the 1988 Audi V8 model; and the first compression-ignition diesel V8 engine configuration was used in the 1999 Audi A8 3.3 TDI Quattro. The V8 gasoline and diesel engines have been used in most Audi, Volkswagen, Porsche, Bentley, and Lamborghini models ever since. The larger-displacement diesel V8 engine configuration has also been used in various Scania commercial vehicles; such as in trucks, buses, and marine (boat) applications.