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  3. AUDI 406776

AUDI 406776 Engine 4.2L-V8

fits model: A8, Quattro. make: Audi. year: 2011–2012.

406776 Audi Engine Complete Assembly Fits 11-12 A8 Quattro 4.2l-v8

( Manufacturer Part Number: 406776 ), ( Type: Complete Assembly ), ( Block Type: Straight ), ( Engine Size: 4.2 L ), ( Universal Fitment: No ), ( Fuel Type: Gasoline )

Review AUDI Engine Complete Assembly Fits 4.2l-v8 fits QUATTRO A8 2011–2012

The Audi 406.776 engine is a powerful and sophisticated powertrain that graces the A8 Quattro models from the years 11 to 12. This V8 engine, with a capacity of 4.2 liters, is an epitome of engineering excellence, delivering impressive performance and fuel efficiency.

The engine block is crafted from aluminum alloy, contributing to its lightweight yet robust construction. The cylinder bore is lined with a high-performance, iron liner that enhances the engine's durability and thermal resistance. The cylinders feature a V-angle of 90 degrees, which facilitates a compact design and optimizes the engine's breathing capabilities.

The Audi 406.776 engine is equipped with a chain-driven DOHC (Double Overhead Camshaft) valvetrain system. This setup enables the engine to deliver a responsive and powerful output. The valves are actuated via hollow camshafts, which reduces their weight and friction, contributing to improved engine efficiency.

The engine's fuel delivery system is managed by a Bosch ME7.1.7 engine management system, ensuring precise and efficient fuel injection. The engine utilizes a multi-point fuel injection system, with each cylinder receiving fuel directly from the fuel rail, allowing for optimal combustion and reduced emissions.

The Audi 406.776 engine is mated to a 6-speed Tiptronic automatic transmission, which offers both smooth automatic shifting and manual control via steering wheel-mounted paddle shifters. This transmission provides the driver with a perfect balance of comfort and control, ensuring an enjoyable driving experience.

The engine's impressive performance can be attributed to its advanced technology and engineering. It delivers a maximum power output of 354 horsepower at 6,300 rpm and a maximum torque of 325 lb-ft at 3,500 rpm. With these impressive specifications, the Audi A8 Quattro equipped with this engine is capable of accelerating from 0 to 60 mph in just 5.8 seconds and reaching a top speed of 155 mph.

The Audi 406.776 engine is not only powerful but also environmentally conscious. It complies with the Euro 5 emission standards, ensuring reduced emissions and a cleaner driving experience. The engine's advanced technology, including its catalytic converter and NOx storage catalyst, contribute to its low emissions and excellent fuel efficiency.

In summary, the Audi 406.776 engine is a masterpiece of engineering, offering impressive performance, refined handling, and fuel efficiency. Its advanced features, including its aluminum block, DOHC valvetrain, and Bosch engine management system, make it a standout powertrain for the A8 Quattro models from the years 11 to 12.

The Audi 4.2L-V8 engine, specifically model number 406.776, was used in various Audi vehicles including the A8 Quattro from the years 11-12. Here are some pros and cons associated with buying this engine:

Pros:

1. Powerful: This engine delivers impressive power with a maximum output of 354 horsepower and 325 lb-ft of torque.

2. Smooth Performance: Known for its refined and smooth operation, this V8 engine provides an enjoyable driving experience.

3. Durable: Audi engines are generally well-built and reliable, and the 4.2L-V8 is no exception.

4. Quattro All-Wheel Drive: The Quattro system ensures excellent traction and handling in various driving conditions.

5. Availability of Parts: Since this engine was used in many Audi vehicles, parts are generally readily available.

Cons:

1. Fuel Consumption: The engine's power comes with a price, as it consumes a significant amount of fuel.

2. Maintenance Costs: Due to its complexity and power, the engine requires regular maintenance, which can be expensive.

3. Emissions: This engine does not meet the latest emissions standards, making it less environmentally friendly.

4. Size and Weight: The large V8 engine adds weight and size to the vehicle, which can negatively impact fuel efficiency and handling.

In conclusion, the Audi 4.2L-V8 engine (406.776) offers impressive power and smooth performance, but it comes with higher fuel consumption, maintenance costs, and emissions. Additionally, its size and weight can impact fuel efficiency and handling. Ultimately, the decision to buy this engine depends on your personal preferences, budget, and driving habits. If you value power and performance, this engine might be a good fit for you. However, if you prioritize fuel efficiency, low maintenance costs, and emissions, you might want to consider other engine options.

Details:

Message me with any questions. Sold with 60 day warranty. Fits A6, A8, Q7 2011 4.2L 8cyl CDRA pulled from a Audi A8. Engine has 130k miles.

part #: 406776 price

  • $3075.18

specifications grokengines:

  • for models: A8, Quattro
  • for makes: Audi
  • for years: 2011-2012
  • mpn: 406776
  • type: Complete Assembly
  • block type: Straight
  • engine size: 4.2 L
  • universal fitment: No
  • fuel type: Gasoline

offer grokengines:

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  • started: December 19, 2025
  • availability: In Stock
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  • Car Truck Parts Accessories > Engines Engine Parts > Engines

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for models: a8, quattro, for makes: audi, for years: 2011-2012, type: complete assembly, block type: straight, engine size: 4.2 l, universal fitment: no, fuel type: gasoline,
category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 6899533835097673,

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