When it comes to Audi’s iconic S4 model, enthusiasts and car enthusiasts alike can’t help but wonder: which ones come equipped with a supercharger? The answer, however, is not as straightforward as one might think. Over the years, Audi has offered various iterations of the S4, each with its unique set of features and powertrains. In this article, we’ll delve into the history of the S4, exploring which models have been blessed with the power of forced induction.
A Brief History of the S4
Before we dive into the world of supercharging, let’s take a step back and look at the S4’s storied past. The S4 moniker was first introduced in 1991, as a high-performance variant of the Audi 100 sedan. Initially, the S4 was powered by a 2.2-liter inline-five engine, producing a respectable 217 horsepower. Over the years, the S4 has undergone numerous transformations, with various engine configurations and performance upgrades.
In the late 1990s, Audi began to phase out the inline-five engine in favor of V6 and V8 powerplants. This marked a significant shift in the S4’s performance capabilities, with power output increasing significantly. The B5 generation S4 (1997-2002) saw the introduction of a 2.7-liter V6 engine, which produced 261 horsepower. This was followed by the B6 generation (2003-2005), which boasted a 4.2-liter V8 engine, churning out 339 horsepower.
The Supercharged Era: 2006-2012
Fast-forward to the B7 generation S4 (2006-2008), where Audi introduced its first supercharged engine. The 3.0-liter V6 powerplant, dubbed the “EA837,” featured a Roots-type supercharger, pushing power output to an impressive 333 horsepower. This marked a significant milestone for the S4, as it became one of the first Audi models to benefit from forced induction.
The B8 generation S4 (2009-2012) saw a refinement of the supercharged engine, with power output increasing to 340 horsepower. This era also saw the introduction of Audi’s quattro all-wheel-drive system, further solidifying the S4’s performance credentials.
From Supercharger to Turbocharger: 2013-2020
With the introduction of the B9 generation S4 (2013-2016), Audi made a significant departure from its supercharged roots. The 3.0-liter V6 engine was replaced by a 3.0-liter V6 turbocharger, producing 333 horsepower. This change marked a shift towards more efficient and environmentally friendly powertrains, while still maintaining the S4’s performance prowess.
The F5 generation S4 (2017-2020) continued to rely on turbocharging, with the 3.0-liter V6 engine producing 354 horsepower. This era saw significant updates to the S4’s chassis and suspension, further enhancing its handling and driving dynamics.
Current State: The S4 Today
As of 2021, the S4 continues to rely on turbocharging, with the 3.0-liter V6 engine producing 349 horsepower. While the supercharger era may have come and gone, the S4 remains a formidable performance sedan, offering impressive acceleration and handling characteristics.
Supercharger vs. Turbocharger: What’s the Difference?
Before we conclude, it’s worth exploring the differences between supercharging and turbocharging. Both forced induction methods have their unique advantages and disadvantages:
| Forced Induction Method | Advantages | Disadvantages |
|---|---|---|
| Supercharging |
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| Turbocharging |
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While supercharging provides immediate power delivery and no lag, it comes with increased complexity and higher maintenance costs. Turbocharging, on the other hand, offers improved fuel efficiency and lower maintenance costs, but can suffer from turbo lag or delay.
Conclusion
As we’ve seen, the S4’s history is filled with twists and turns, including the introduction of supercharging and its eventual replacement by turbocharging. While the supercharger era may have come and gone, the S4 remains an iconic performance sedan, offering exceptional power and handling capabilities.
For those seeking the thrill of a supercharged engine, the 2006-2012 B7 and B8 generation S4 models remain an attractive option. However, for those looking for a more efficient and environmentally friendly powertrain, the turbocharged S4 models from 2013 onwards offer a compelling alternative.
Ultimately, the choice between supercharging and turbocharging comes down to personal preference and driving style. Whether you’re a thrill-seeker or a daily driver, the S4’s rich history and impressive performance capabilities make it an attractive option for anyone in the market for a high-performance sedan.
What is supercharging and how does it benefit my S4 model?
Supercharging is a mechanical compressor that forces air into an engine’s intake system, resulting in a significant increase in power and torque. This is in contrast to turbocharging, which uses the exhaust gases to drive the compressor. Supercharging provides instant power at any engine speed, making it ideal for applications that require quick acceleration and responsive performance.
The benefits of supercharging on an S4 model are numerous. With a supercharger, you can expect a substantial increase in horsepower and torque, which translates to faster acceleration and a more engaging driving experience. Additionally, supercharging provides a more linear power delivery, making the engine feel more responsive and agile.
Which S4 models come supercharged from the factory?
The Audi S4 has been offered with a supercharged engine in various markets and model years. In the US market, the 2010-2012 S4 models came equipped with a 3.0-liter supercharged V6 engine, producing 333 horsepower and 325 lb-ft of torque. In other markets, such as Europe and Australia, the S4 has been available with a supercharged engine in certain model years as well.
It’s worth noting that not all S4 models come supercharged from the factory. Some models may have a turbocharged or naturally aspirated engine instead. If you’re unsure about the specifications of your S4, it’s best to consult with a dealership or a trusted mechanic.
Can I supercharge my S4 if it didn’t come with one from the factory?
Yes, it is possible to supercharge your S4 if it didn’t come with one from the factory. However, this requires a significant amount of work and expertise, and should only be attempted by experienced mechanics or tuners. Installing a supercharger kit requires modifications to the engine, cooling system, and electronics, and can be a complex and time-consuming process.
It’s also important to ensure that any supercharger kit you install is compatible with your specific S4 model and meets all relevant safety and emissions standards. Additionally, be aware that supercharging your S4 may void your warranty and may require additional maintenance and tuning to ensure optimal performance and reliability.
How much does a supercharger kit cost for an S4?
The cost of a supercharger kit for an S4 can vary widely, depending on the specific kit and installation costs. On average, a high-quality supercharger kit for an S4 can cost anywhere from $5,000 to $15,000 or more, depending on the level of performance and features.
It’s also important to factor in the cost of installation, which can add several thousand dollars to the total cost. Additionally, you may need to budget for additional upgrades to the cooling system, suspension, and brakes to ensure that your S4 can handle the increased power and performance.
What kind of maintenance does a supercharged S4 require?
A supercharged S4 requires regular maintenance to ensure optimal performance and reliability. This includes regular oil changes, filter replacements, and belt replacements, as well as more frequent inspections of the supercharger and related components.
It’s also important to follow the recommended maintenance schedule outlined by the manufacturer or tuner, as failure to do so can result in premature wear and tear on the engine and supercharger. Additionally, be prepared to budget for more frequent replacement of high-performance components, such as spark plugs and fuel injectors.
Will supercharging my S4 void my warranty?
Installing a supercharger kit on your S4 can potentially void your warranty, depending on the specific terms and conditions. It’s best to consult with a dealership or the manufacturer to determine if the installation of a supercharger kit will affect your warranty coverage.
Even if the installation of a supercharger kit doesn’t void your warranty, any damage or failures caused by the supercharger or related modifications may not be covered under warranty. It’s essential to carefully review your warranty terms and conditions before making any modifications to your S4.
Is supercharging worth it for my S4?
Whether or not supercharging is worth it for your S4 depends on your personal preferences and driving habits. If you’re looking for a significant increase in power and performance, and are willing to invest the time and money into the installation and maintenance of a supercharger kit, then it may be a worthwhile upgrade.
However, if you’re not comfortable with the added complexity and cost of a supercharger kit, or if you’re primarily using your S4 for daily driving and not high-performance driving, then a supercharger may not be the best option for you. It’s essential to weigh the pros and cons carefully before making a decision.