Used 2018 Audi S4 for Sale near Illinois

## Summary - With 134 currently listed for sale on CarGurus and an **average price of $22,910.00**, 27.6% of 2018 Audi S4s for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2018 Audi S4 4.67 / 5 stars. - **67.2% of 2018 S4 models on CarGurus are accident free**. - The 2018 Audi S4 features a 3.0-liter V6 engine that delivers powerful performance along with a standard all-wheel drive, making it an impressive competitor in the luxury sports sedan market. ## Why it stands out The 2018 Audi S4 distinguishes itself in the luxury sports sedan segment with its robust 3.0-liter twin-scroll turbocharged V6 engine that produces 354 horsepower and 369 pound-feet of torque. This performance powerhouse not only offers exhilarating driving dynamics with a 0-60 mph time of just 4.4 seconds but also pairs power with practicality through its standard Quattro all-wheel drive. The S4 boasts a refined and well-crafted interior that combines luxury with functionality, making it appealing for both everyday commuting and spirited driving. Moreover, the addition of modern infotainment features including Apple CarPlay and Android Auto enhances its tech-savvy nature, appealing to buyers who appreciate connectivity and convenience. While it delivers a superior driving experience, some might find its handling less engaging compared to rivals like the BMW M340i, but it remains a well-rounded choice for those seeking comfort without sacrificing performance. ## Other model years to consider - **[2023 Audi S4](https://www.cargurus.com/Cars/l-Used-2023-Audi-S4-c32242)** - Average price: $43,662.00 - Good/great deal percentage: 28.6% - Total listings: 133 This analysis is based on CarGurus' proprietary market data from February 17, 2026, CarGurus experts' opinions, and generative AI.