If you're an Audi S4 owner or enthusiast, you know that the spring rates are an important factor in how your car performs on the road. Spring rates determine how much weight is required to compress the spring by one inch, and they affect everything from handling to ride quality. In this article, we'll take a look at everything you need to know about Audi S4 spring rates in 2023.
What Are Spring Rates?
Before we dive into Audi S4 spring rates specifically, let's take a quick look at what spring rates are and why they matter. The spring rate is a measure of how much force is required to compress a spring by a certain amount. In the case of a car's suspension, the spring rate determines how much weight is required to compress the spring by one inch.
Spring rates are measured in pounds per inch (lb/in), and they play a critical role in how a car handles and rides. Higher spring rates mean the suspension is stiffer, which can improve handling but also make for a harsher ride. Lower spring rates mean the suspension is softer, which can improve ride quality but also reduce handling performance.
Stock Audi S4 Spring Rates
The spring rates of the stock Audi S4 suspension have varied over the years, so let's take a look at the rates for different generations of the car:
First Generation (1991-1994)
The first-generation Audi S4 used a suspension setup that was shared with the Audi 100. The spring rates for this setup were 102 lb/in front and 159 lb/in rear.
Second Generation (1997-2002)
The second-generation Audi S4 used a new suspension setup that was designed specifically for the car. The spring rates for this setup were 180 lb/in front and 220 lb/in rear.
Third Generation (2003-2005)
The third-generation Audi S4 used the same suspension setup as the previous generation, with spring rates of 180 lb/in front and 220 lb/in rear.
Fourth Generation (2009-2016)
The fourth-generation Audi S4 used a new suspension setup with spring rates of 160 lb/in front and 200 lb/in rear.
Fifth Generation (2018-Present)
The fifth-generation Audi S4 uses a new suspension setup with spring rates of 190 lb/in front and 310 lb/in rear.
Aftermarket Audi S4 Spring Rates
If you're looking to upgrade your Audi S4's suspension, there are plenty of aftermarket options available. Aftermarket springs can offer higher or lower spring rates than the stock suspension, depending on your needs.
It's important to note that changing the spring rates can have a significant impact on how your car handles and rides. If you're not familiar with suspension tuning, it's best to consult with a professional before making any changes.
Choosing the Right Spring Rates for Your Audi S4
Choosing the right spring rates for your Audi S4 depends on your priorities. If you're primarily concerned with handling performance, you may want to choose higher spring rates. If you're more concerned with ride quality, you may want to choose lower spring rates.
It's also worth considering the other modifications you've made to your car. For example, if you've upgraded to a stiffer sway bar or installed performance shocks, you may want to choose higher spring rates to match.
The Bottom Line
Spring rates are an important factor in how your Audi S4 performs on the road. Whether you're looking to upgrade your suspension or simply want to understand how your car works, it's important to have a solid understanding of spring rates and how they affect your car's handling and ride quality.
Remember, choosing the right spring rates for your Audi S4 is a balancing act between handling performance and ride quality. If you're not sure what spring rates are right for you, it's always best to consult with a professional who can help you make an informed decision.
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