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Audi A8 (BAR) — 4.2L Engine
Audi A8 (BAR) — 4.2L Engine
Audi A8 (BAR) — 4.2L Engine
Audi A8 (BAR) — 4.2L Engine
Audi A8 (BAR) — 4.2L Engine
  1. Audi A8 (BAR) — 4.2L Engine
  2. Audi A8 (BAR) — 4.2L Engine
  3. Audi A8 (BAR) — 4.2L Engine
  4. Audi A8 (BAR) — 4.2L Engine
  5. Audi A8 (BAR) — 4.2L Engine

4.2L Gasoline Turbocharged Engine for Audi A4/A6/A8/Q5 (BAR)

This 4.2L V8 FSI engine—commonly found in 2010–2012 D4 Audi A8 models—produces approximately 368–372 horsepower at 6,800 RPM and generates 328 lb-ft of torque at 3,500 RPM. This 32-valve, dual overhead camshaft (DOHC), naturally aspirated engine features direct fuel injection, a compression ratio of 12.5:1, and is paired with an 8-speed automatic transmission and the Quattro permanent all-wheel-drive system.

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Description

Key Engine Specifications (4.2L V8 FSI – D4 Platform)
Engine Type: 90° V8, Naturally Aspirated FSI (Direct Injection)
Displacement: 4.2 Liters (4,163 cc)
Power: 368–372 hp at 6,800 RPM
Torque: 328 lb-ft at 3,500 RPM
Valvetrain: DOHC, 4 valves per cylinder (32 valves total), Variable Valve Timing
Compression Ratio: 12.5:1
Bore x Stroke: 3.327 x 3.654 inches (84.5 mm x 92.8 mm)
Fuel Requirement: Premium Unleaded Gasoline (Required)

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