Read This Before Buying Used Audi S4

Read This Before Buying Used Audi S4

The Audi S4 is a sporty, high-performance variant of the compact executive automobile. The S4 boasts a more powerful engine than the cars that share its platform, as well as an enhanced suspension system, better brakes, and other performance modifications.

Because brand new S4 automobiles are often quite expensive, it is frequently a smart idea to take a chance on the used market and hunt for one that is a few years old. Of course, the threats to the used market are not insignificant. There is a car with hidden flaws that turn it into nothing more than a money pit for every amazing, well-maintained money saver out there, so you should be cautious if you’re going to venture into the secondhand market to buy a used Audi S4.


The Audi S4 2021 is a high-performance variant of Audi’s A4 compact sedan. The S4’s turbocharged 3.0-liter six-cylinder engine produces 349 horsepower and 369 lb-ft of torque. That’s 148 more horsepower than the regular A4 and 88 more horsepower than the optional engine in the A4’s upgraded 45 TFSI variant. The S4 is more than simply an A4 with more power; it also has a stronger sport suspension and updated interior materials. The added performance doesn’t come at a high cost; the S4 remains a pleasant, quiet, and easy-to-drive luxury sedan.

Handling and Performance

The engine produces lots of power in all directions and sounds fantastic while doing so. This is one of the class’s fastest sedans. The car can accelerate from 0 to 60 mph in 4.3 seconds (with the aid of launch control). The handling is equally outstanding. The S4 provides great stability by combining rapid and precise steering with standard all-wheel drive.

The brakes on the S4 provide considerable stopping power as well as outstanding smoothness around town. However, the loud buzzing and powerful vibrations from the antilock gear will raise some eyes (and heart rates) in panic-stopping scenarios. This is the S4’s only performance shortcoming.

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Audi is a cornerstone of interior excellence, and the S4 is proof of that. Every interior is outfitted with exquisite materials and standard features like diamond-stitched sports seats with massage functions. The inside is racy and opulent, with exquisite fit and finish. The flat-bottomed steering wheel, simple controls, and extremely adaptable seating all contribute to an excellent driving posture. Despite possessing a 13-cubic-foot trunk, which tied the Mercedes-AMG C43 sedan for the smallest in its class, the S4 held an astounding number of carry-ons. While the sedan’s internal storage is ordinary, it can accommodate a variety of loose objects and personal possessions as long as they are not too large. Critics just wish the S4’s central console was more adaptable.

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Every S4 comes standard with a 10.1-inch central infotainment screen and a plethora of infotainment options. The MMI system responds quickly to commands and provides user-friendly controls in addition to typical Apple CarPlay and Android Auto functionality. While the display is in the driver’s line of sight, certain portions of it demand leaning forward to reach. Since 2021, the S4 has lacked a rotary controller on the center console, which made the system easier to use. The Audi Virtual Cockpit 12.3-inch digital instrument cluster, wireless device charging, a Wi-Fi hot spot, navigation, and a Bang & Olufsen premium audio system are available as options.

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Fuel Economy

The Audi S4 consumes premium fuel and offers average fuel economy figures for its class: 20 mpg in the city, 28 mpg on the highway, and 23 mpg combined.

Safety Features

The following are important safety features:

  • Automatic emergency braking with forward collision warning is standard.
  • Blind-spot monitoring with rear cross-traffic alert is available. 
  • Adaptive cruise control is standard as well.


The S4 is capable of stunning speed on even the most difficult roads. No of your skill level, it is a forgiving and capable partner. As a bonus, the S4 is a hidden gem; its understated look belies the car’s true capabilities. Only when pushed hard can the automobile reveal its genuine potential. This is a highly flexible vehicle with excellent driving manners and performance potential.

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Frequently Asked Questions

Is the Audi S4 a reliable car?

Overall the Audi S4’s reliability is 42.8 and that makes it not very reliable.

Does the Audi S4 have problems?

Common Audi S4 problems include engine oil leaks, turbo failure, and premature brake wear.

Does the Audi S4 hold its value?

After 5 years, an Audi S4 will decline 39% to 43% and have a resale value of $38,625.

Is it expensive to maintain an Audi S4?

During the first ten years of ownership, an Audi S4 will cost approximately $9,345 in maintenance and repairs. This is $2,616 more than the industry average for luxury sedan models. During that time, there is also a 26.81% possibility that an S4 may require extensive repairs.

Is the Audi S4 a fast car?

The B5 S4 boasts 0 to 100 km/h (0.0 to 62.1 mph) acceleration in 5.7 seconds and an electronically limited top speed of 250 km/h (155.3 mph), making it both the quickest saloon/sedan in the Audi model line and one of the quickest saloon/sedans in the world at the time.

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