Used Audi A4 for Sale near Keystone, SD

## Summary - With 995 currently listed for sale and an **average price of $15,528.00**, 35.1% of 2018 Audi A4s for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2018 Audi A4 4.67 / 5 stars. - **58.3% of 2018 Audi A4 models on CarGurus are accident free**. - The 2018 Audi A4 impresses with its sporty handling and comfort, along with advanced technology features like its seamless infotainment system and appealing cabin design. ## Why it stands out The 2018 Audi A4 sets itself apart in the competitive luxury sedan market with a unique blend of performance, comfort, and cutting-edge technology. Praised for its sporty drive and excellent handling capabilities, it offers a range of powerful engine options, making it an engaging choice for driving enthusiasts. The well-appointed interior features high-quality materials and an intuitive infotainment system that enhances the overall driving experience. Additionally, its quattro all-wheel-drive system is optional and provides improved traction and stability in various driving conditions, appealing to buyers who seek both excitement and reliability. ## Other model years to consider - **[2017 Audi A4](https://www.cargurus.com/Cars/l-Used-2017-Audi-A4-c25731)** - Average price: $13,650.00 - Good/great deal percentage: 35.6% - User rating: 4.57 / 5 - Total listings: 935 - **[2016 Audi A4](https://www.cargurus.com/Cars/l-Used-2016-Audi-A4-c24886)** - Average price: $11,875.00 - Good/great deal percentage: 33.4% - User rating: 4.8 / 5 - Total listings: 730 These recommendations are based on CarGurus' proprietary market data from March 20, 2026, CarGurus experts' opinions, and generative AI.