Used 2018 Audi S4 for Sale near Rio Verde, AZ

## Summary - With 144 currently listed for sale on CarGurus and an **average price of $23,850.00**, 25.7% of 2018 Audi S4 models for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2018 Audi S4 4.67 / 5 stars. - **63.9% of 2018 S4 models on CarGurus are accident free.** - The 2018 Audi S4 boasts a powerful 3.0-liter twin-scroll turbocharged V6 engine, paired with Quattro all-wheel drive and a luxurious interior that exemplifies Audi's commitment to performance and comfort. ## Why it stands out The 2018 Audi S4 stands out in its class thanks to its powerful 354-horsepower V6 engine, which delivers exhilarating performance while maintaining impressive fuel efficiency. The Quattro all-wheel drive system enhances traction and stability, making it suitable for various driving conditions. Owners appreciate the blend of sleek design and superior handling, as well as the well-appointed interior filled with advanced technology features. With a focus on luxury, the S4 comes equipped with high-quality materials, making it an attractive option for driving enthusiasts seeking a comfortable yet sporty sedan. Despite its many strengths, potential buyers should note that maintenance costs can be higher than average compared to rivals, and while it's fun to drive, some may find it less engaging than its competitors. ## Other model years to consider - **[2019 Audi S4](https://www.cargurus.com/Cars/l-Used-2019-Audi-S4-c28513)** - Average price: $28,630.00 - Good/great deal percentage: 25.9% - User rating: 4.67 / 5 - Total listings: 162 - **[2023 Audi S4](https://www.cargurus.com/Cars/l-Used-2023-Audi-S4-c32242)** - Average price: $43,075.00 - Good/great deal percentage: 36.4% - Total listings: 132 This analysis is based on CarGurus' proprietary market data from March 9, 2026, CarGurus experts' opinions, and generative AI.