VW/Audi 4.2 TDI Engine – Here in this post, I have taken all the details about VW/Audi 4.2 TDI Engine from the (official site) including VW/Audi 4.2 TDI Engine specs, Weight, Price & Dimension.
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VW/Audi 4.2 TDI Engine
Its 4.2-liter V8 TDI diesel engine is built on that of the 4.0-liter version. It was the first V8 TDI installed in Audi A8 in 1999 and had a 3.3-liter performance. This 4.2-liter engine was the final version of the V8 TDI series.
The engine features a cast iron cylinder block with the same bore space of 90 millimeters and 90 degrees V-shaped design as in the 4.0-liter version.
The engine received an iron crankshaft that was forged. The cylinder heads are of identical design to 3.0l V6 TDI heads.
They are made from aluminum alloy. They contain four valves for each engine, two camshafts, hydraulic tappets, and lifters. The machine has single-row timing chains at the rear that run through the engine’s end. This makes it extremely difficult to replace them.
VW/Audi 4.2 TDI Engine Specs
| Manufacturer | Audi Hungaria Motor Kft |
Production years | 2005-present day |
Cylinder block material | Cast Iron |
Cylinder head material | Aluminum |
Fuel type | Diesel |
Fuel system | Common Rail |
Configuration | V |
Number of cylinders | 8 |
Valves per cylinder | 4 |
Valvetrain layout | DOHC |
Bore, mm | 83.0 |
Stroke, mm | 95.5 |
Displacement, cc | 4134 |
Type of internal combustion engine | Four-stroke, turbocharged |
Compression Ratio | 16.4 |
VW/Audi 4.2 TDI Engine Problems & Reliability
The V8 4.2 TDI diesel engines are highly reliable in their reliability. However, some encountered issues with the intake manifolds and throttle.
The entire bearings on rods, axes, and levers within were constructed from plastic up to 2009 when they began to wear rapidly (40-50,000 miles). In the end, it reduced the power and torque due to various gaps and shifts.
The new ones were installed to replace the defective part later. The problem with them was never a problem again.
VW/Audi 4.2 TDI Engine FAQs
Is the Audi 4.2 a good engine?
The 4.2-liter V8 engine is usually reliable, except for the B6 and the B7S4. Another option that seems odd for an authentic second-hand Audi engine could be one of a 4.2-liter V8. On one side, Ward’s Auto and Eurosport Tuning have high praise for it.
What Audi has the 4.2 V8?
It’s offered in two variants: the basic, or ‘comfort’ model, which was initially used on Audi’s Q7 Audi Q7 and a more sports-oriented high-revving model, which has features borrowed from motorsport specifically for the Audi B7 RS 4 quattro and R8.
Is a 4.2 a V8 engine?
The 4.2 Liter V8 is an eight-cylinder Dual Overhead Cam (DOHC) gasoline engine manufactured by General Motors for use in Cadillac luxurious vehicles.
How long does Audi 4.2 last?
If properly maintained and driven, Audi to last between 150,000 and 200,000 miles or 10-13 years. Audis has a reputation for its Quattro all-wheel drive system, technological design, performance, and well-designed interiors.
Which Audi has a Lambo engine?
The S6 has been available over the last five years as the performance mid-tier variant that is Audi A6. Audi A6. The S6 was fitted with a ten cylinder engine during the third version. Although the engine shares elements shared with Lamborghini’s 5.0-liter V10, the Audi 5.2-liter V10 was inspired by Audi’s 4.2-liter V8.