Used 2021 Audi A4 for Sale near Addison, IL

## Summary - With 362 currently listed for sale on CarGurus and an **average price of $21,897.00**, 33.4% of 2021 Audi A4s for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2021 Audi A4 4.8 / 5 stars. - **75.7% of 2021 A4 models on CarGurus are accident free**. - The 2021 Audi A4 offers a blend of performance, luxury, and innovative technology features such as the Virtual Cockpit. ## Why it stands out The 2021 Audi A4 stands out for its impressive combination of performance, comfort, and cutting-edge technology. This model year features a turbocharged 2.0-liter engine that delivers spirited acceleration, available in both base and more powerful variants, catering to those who prioritize power and efficiency. Owners particularly appreciate the A4’s refined interior, which boasts high-quality materials and a host of tech offerings, including the available Virtual Cockpit, providing a fully digital instrument cluster. However, while the A4 excels in many areas, some users have noted that the base engine could feel underwhelming compared to competitors. Overall, the 2021 A4 remains a top choice for buyers seeking a luxury sedan that balances style, technology, and practicality. ## Other model years to consider - **[2018 Audi A4](https://www.cargurus.com/Cars/l-Used-2018-Audi-A4-c26836)** - Average price: $15,815.00 - Good/great deal percentage: 34.0% - User rating: 4.67 / 5 - Total listings: 1,124 - **[2017 Audi A4](https://www.cargurus.com/Cars/l-Used-2017-Audi-A4-c25731)** - Average price: $13,638.00 - Good/great deal percentage: 32.8% - User rating: 4.57 / 5 - Total listings: 1,026 - **[2016 Audi A4](https://www.cargurus.com/Cars/l-Used-2016-Audi-A4-c24886)** - Average price: $11,871.00 - Good/great deal percentage: 32.5% - User rating: 4.8 / 5 - Total listings: 799 This analysis is based on CarGurus' proprietary market data from February 20, 2026, CarGurus experts' opinions, and generative AI.