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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
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
  6. Audi A8 (BAR) — 4.2L Engine

BAR V8 4.2L Engine for Audi A6, A8, and Q7

The 4.2L BAR engine is a naturally aspirated, 32-valve V8 FSI engine, primarily featured in the Audi Q7 model; the Audi A8 model has also been equipped with a related 4.2L V8 engine.

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Description

Engine Overview and Configuration
Engine Type: Naturally Aspirated, 90° V8 Gasoline Engine
Displacement: 4,163 cm³ (254 cu in)
Valve Train: Dual Overhead Camshafts (DOHC), 32 Valves (4 valves per cylinder)
Fuel System: FSI (Stratified Fuel Injection) Direct Injection
Bore × Stroke: 84.5 mm × 92.8 mm (Stroke Ratio: 0.91:1)
Compression Ratio: 12.5:1

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