Yes. The Audi A6 4.2 is powered by a 4.2-liter V8 engine. The “4.2” designation refers to displacement, and Audi has used this V8 across multiple A6 generations with various fuel-delivery setups and tuning over the years.
Engine configuration and naming
The 4.2 designation denotes a 4.2-liter V8 — eight cylinders arranged in a V configuration. Across the A6's history, Audi deployed both naturally aspirated and direct-injected variants of this engine, reflecting shifts in technology and emissions requirements. The V8 layout is characteristic of larger, more performance-oriented A6 models from the late 1990s through the 2010s.
Generations that offered the 4.2-liter V8
The following generations of the A6 offered a 4.2-liter V8 engine in various trims and configurations:
- C5 A6 (1997–2004) — 4.2-liter V8 (naturally aspirated); available with quattro
- C6 A6 (2005–2011) — 4.2-liter V8 with FSI (direct injection) era; available with quattro
In summary, these generations confirm that the A6 4.2 designation is tied to a 4.2-liter V8 powerplant, with differences in induction technology and driveline across models and markets. The modern A6 lineup no longer uses the 4.2 V8 in standard production.
Current status of the A6 engine lineup
As Audi pivots toward more efficient powertrains, the current A6 range primarily uses turbocharged V6 engines and mild-hybrid systems. High-performance variants such as the S6 rely on a different powertrain, and the RS6 uses a 4.0-liter twin-turbo V8 rather than a 4.2-liter engine. There is no 4.2-liter V8 offered in the contemporary A6 lineup.
Does Audi still offer a 4.2 V8 in the A6?
No. The 4.2-liter V8 is now a legacy option in the A6. For current production, Audi focuses on smaller V6 engines and other configurations, with the 4.0-liter V8 twin-turbo appearing in some high-performance models outside the standard A6 lineup.
Summary
The Audi A6 4.2 is indeed a V8, defined by its 4.2-liter displacement. This engine appeared in older A6 generations (notably the C5 and C6) and represented Audi’s larger flagship powerplant for the A6 during that era. In today’s lineup, the 4.2 V8 is no longer offered, as Audi shifts toward more efficient V6 and advanced powertrains in the A6 family.
What Audis have a 4.2 V8?
Here's a list of some notable vehicles that feature the Audi 4.2 V8 engine:
- Audi S4 (B6/B7): 340 horsepower and 302 lb-ft of torque.
- Audi S5 (B8/B8. 5): 354 horsepower and 325 lb-ft of torque.
- Audi RS4 (B7): 420 horsepower and 317 lb-ft of torque.
- Audi RS5 (B8/B8.
- Audi A8 (D3/D4): 350 horsepower and 325 lb-ft of torque.
What year of Audi A6 to stay away from?
By far, the worst year for the Audi A6 was 2000. This model had extensive engine issues that plagued investors. It also had transmission issues, a double-whammy when dealing with vehicles. Other common faults in the Audi A6 models included interior accessory troubles, more engine problems, and electrical issues.
Which Audi A6 has a V8?
The Audi S6 is a high-powered variant of the A6, featuring a modified version of the 4.2-litre V8 engine producing 250 kW (340 PS; 335 bhp) and 420 N⋅m (310 lb⋅ft). It was available as a saloon and Avant although the Avant version was the only one sold in North America.
Was the Audi 4.2 V8 a good engine?
The high-performing versions of the Audi 4.2-liter V8 would go on to be lusted after by enthusiasts around the globe and are commonly held as some of the best modern V8 engines ever made from a performance perspective.