Used Audi S4 for Sale nearDecatur, AL

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 $30,891, and its lowest point over the past year was $30,891. That puts the model at the same level as its recent low for the year.

Recently, prices have come down for the 2018, 2019, 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 pick if you want a fast, refined luxury sedan with standard all-wheel drive and a premium cabin. The all-generations owner rating is 4.8/5 across every model year in the data.

Owners consistently praise the S4 for its powerful performance, confident handling, and high-quality interior. The all-wheel-drive traction and everyday comfort also come through as recurring strengths, making it appealing as both a spirited driver’s car and a practical daily choice.

30.4% of listings are priced as good or great deals.

Are Audi S4 models reliable?

Owners and expert writeups consistently point to the S4’s strong performance, polished driving feel, and upscale cabin as major strengths. Across the model years in the data, the S4 also earns praise for its all-wheel-drive confidence and well-rounded everyday usability.

• 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 tied mainly to maintenance and repair costs, especially on older examples and more complex versions.

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

Across all model years, at 69.4% 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-2021 models.

What Audi S4 do most buyers choose?

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

These higher-volume years tend to be popular because they give you more inventory to compare, which can make it easier to find the right mileage, color, and equipment mix. They also often sit in the sweet spot between newer features and more accessible pricing.

What is the Audi S4's resale value?

The table shows downward movement across all three model years, which can work in your favor if you're shopping used. One year shows a double-digit drop, while the others also moved lower at a slower pace. That pattern gives you more room to find value in recent and slightly older examples.

The 2019, 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 −10.08% versus a year ago, and the 2019 model is at −3.66%.
• Deal availability: The 2023 model has 34.4% good and great deals, and the 2019 model has 33.1%.
• Sweet-spot year: The 2019 model has the most listings at a current average price of $28,128.

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 November 3, 2026, CarGurus experts' opinions, and generative AI.