Used 2021 Audi A4 for Sale near Riverside, CA

## Summary - With 365 currently listed for sale on CarGurus and an **average price of $21,716.00**, 32.6% 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. - **77.3% of 2021 Audi A4 models on CarGurus are accident free**. - The 2021 Audi A4 features a revamped design that enhances both style and technology, emphasizing a sporty driving experience and an advanced infotainment system. ## Why it stands out The 2021 Audi A4 marks a standout year in the model's legacy, offering a combination of luxury, performance, and cutting-edge technology. This year, Audi improved the A4 with a mild-hybrid system in its powertrain, boasting 261 horsepower, which enhances fuel efficiency while delivering spirited performance. The A4 also benefits from standard features like Apple CarPlay and Android Auto, ensuring seamless integration with smartphones. With a smooth ride and responsive handling, the 2021 A4 is an appealing choice for buyers seeking a luxury sedan that performs well without compromising comfort. Its safety features, including forward collision mitigation, further enhance its desirability, making it an ideal choice for both daily commutes and long drives. ## Other model years to consider - **[2018 Audi A4](https://www.cargurus.com/Cars/l-Used-2018-Audi-A4-c26836)** - Average price: $15,980.00 - Good/great deal percentage: 35.4% - User rating: 4.67 / 5 - Total listings: 1,108 - **[2017 Audi A4](https://www.cargurus.com/Cars/l-Used-2017-Audi-A4-c25731)** - Average price: $13,617.00 - Good/great deal percentage: 33.8% - User rating: 4.57 / 5 - Total listings: 1,005 - **[2016 Audi A4](https://www.cargurus.com/Cars/l-Used-2016-Audi-A4-c24886)** - Average price: $11,589.00 - Good/great deal percentage: 32.7% - User rating: 4.8 / 5 - Total listings: 774 --- This analysis is based on CarGurus' proprietary market data from February 10, 2026, CarGurus experts' opinions, and generative AI.