Used 2021 Audi A4 for Sale Nationwide

## Summary - With 326 currently listed for sale on CarGurus and an **average price of $21,870**, 34.4% 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. - **78.5% of 2021 A4 models on CarGurus are accident free**. - The 2021 Audi A4 features impressive technology, modern design, and offers both comfort and performance. ## Why it stands out The 2021 Audi A4 continues to solidify its position in the competitive compact luxury sedan segment with its blend of performance and advanced technology. The vehicle is equipped with a turbocharged 2.0-liter engine that provides a spirited driving experience, available in two variants that deliver a robust horsepower range. Add to that Audi's renowned quattro all-wheel-drive system, which enhances handling and stability, particularly in adverse weather conditions. Owners rave about its luxurious interior, featuring top-notch materials and a suite of high-tech features that create a premium cabin atmosphere. The presence of the Virtual Cockpit display further elevates the driving experience by offering an innovative, customizable interface that replaces traditional dials. While some may find the rear seat slightly cramped, the overall package of the 2021 A4, combined with its high user satisfaction rating of 4.8 stars, makes it a compelling choice for buyers seeking a sleek, comfortable, and tech-savvy luxury sedan. ## Other model years to consider - **[2018 Audi A4](https://www.cargurus.com/Cars/l-Used-2018-Audi-A4-c26836)** - Average price: $15,742.00 - Good/great deal percentage: 35.3% - User rating: 4.67 / 5 - Total listings: 1,061 - **[2017 Audi A4](https://www.cargurus.com/Cars/l-Used-2017-Audi-A4-c25731)** - Average price: $13,716.00 - Good/great deal percentage: 35.4% - User rating: 4.57 / 5 - Total listings: 949 - **[2016 Audi A4](https://www.cargurus.com/Cars/l-Used-2016-Audi-A4-c24886)** - Average price: $11,811.00 - Good/great deal percentage: 34.6% - User rating: 4.8 / 5 - Total listings: 726 This analysis is based on CarGurus' proprietary market data from March 9, 2026, CarGurus experts' opinions, and generative AI.