Used Audi S4 for Sale nearBoise, ID

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 $31,736, and its lowest point over the past year was $31,736. 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 performance, all-weather confidence, and a refined cabin in one package. The all-generations owner rating is 4.76/5 across every model year in the data.

Owners consistently praise the S4 for its powerful engine, excellent handling, and standard all-wheel drive traction. The interior quality and comfort also come through as recurring strengths, making it a rewarding daily driver as well as a quick one.

29.9% of listings are priced as good or great deals.

Are Audi S4 models reliable?

Owners and expert writeups consistently highlight the S4’s strong performance, smooth ride quality, and well-built interior. Across the model years in the data, the V6-powered versions are especially appealing for combining speed with a more manageable ownership experience than earlier V8 cars.

• Owners rate the Audi S4 between 4.67 and 5.0 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is tied more to maintenance and repair costs than to everyday drivability, so a well-documented service history matters.

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

Across all model years, at 70.3% 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-2020 models.

What Audi S4 do most buyers choose?

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

These higher-volume years tend to draw more shoppers because they give you more inventory to compare and more chances to find a well-priced example. They also often sit in the sweet spot between newer features and lower used-car pricing.

What is the Audi S4's resale value?

Most of the model years shown are moving lower year over year, which can work in your favor if you’re shopping used. One year is essentially flat, showing that some examples are staying close to their prior pricing while others are easing down more noticeably.

The 2019 model year is holding steady, with prices close to flat year-over-year.

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 −8.36% versus a year ago, and the 2018 model is at −3.31%.
• Deal availability: The 2023 model has 35.2% good and great deals, and the 2018 model has 35.6%.
• Sweet-spot year: The 2019 model has the most listings at a current average price of $29,788.

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

These recommendations are based on CarGurus' proprietary market data from September 15, 2026, CarGurus experts' opinions, and generative AI.