Used Audi S4 for Sale nearWaukegan, IL

How much does the Audi S4 cost in today's market?

Used Audi S4 prices span a wide range depending on model year. Here's what the market looks like right now:

The Audi S4's current nationwide average price is $31,271, and its lowest point over the past year was $30,918. Recently, prices have come down for the 2018 and 2023 models, making now a good time to shop recent model years.

Is the Audi S4 a good car?

Yes — the Audi S4 is a strong choice if you want a performance sedan with everyday usability. The all-generations owner rating is 4.8/5 across every model year in the data.

Owners consistently praise the S4 for its powerful engine, confident handling, and standard all-wheel drive. The cabin also earns frequent praise for its quality and comfort, which helps the car feel rewarding in daily driving. 33.8% of listings are priced as good or great deals.

Are Audi S4 models reliable?

Owners and experts consistently praise the S4 for its strong performance, polished driving character, and upscale cabin. Across the model years in the data, the car also earns especially strong owner ratings, which supports its reputation as a satisfying used performance sedan.

• Owners rate the Audi S4 between 4.7 and 5 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is most manageable when you choose a well-maintained example and review service history carefully, especially on higher-mileage cars.

What should I look for when buying a used Audi S4?

Across all model years, at 69.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2022 models.

What Audi S4 do most buyers choose?

The Audi S4 years with the most listings are 2019, 2022, and 2018.

The highest-volume years tend to be the most popular used picks because they give you more inventory to compare and more chances to find the right price and equipment mix. They also usually make it easier to shop for a specific color, mileage, or condition level.

What is the Audi S4's resale value?

The table shows notable price declines for both model years, which can work in your favor as a used buyer. The drops are fairly similar in size, so neither year is showing a clear advantage in short-term value retention. The 2018 and 2023 model years have held their value best, with the smallest year-over-year price changes.

Should I buy a used Audi S4 now?

Buy now if:

• Price trend: The 2023 model is at −9.38% versus a year ago, and the 2018 model is at −8.02%.
• Deal availability: The 2023 model has 40% good and great deals, and the 2018 model has 33.8%.
• Sweet-spot year: The 2019 model has the most listings.

If you're buying used today, the 2019 model year offers the best mix of value and availability.

How does the 2019 Audi S4 compare to the 2019 Alfa Romeo Giulia?

These recommendations are based on CarGurus' proprietary market data from October 27, 2026, CarGurus experts' opinions, and generative AI.