Used 2020 Audi A4 for Sale nearSaint Louis, MO

How much does the 2020 Audi A4 cost?

Prices have softened 8.81% compared to this time last year, making it a favorable time to shop this model year.

There are 498 listings available, which gives you a solid pool of options to compare.

Is the 2020 Audi A4 a good car?

Yes — 4.5/5 is a strong user rating for the 2020 Audi A4. The overview points to a compact luxury sedan that blends everyday usability with a strong technology story, plus available quattro all-wheel drive for added traction and broader appeal in poor weather. It also highlights a 10.1-inch touch screen, Apple CarPlay, Android Auto, and Virtual Cockpit as part of its cabin appeal, while noting that the base engine is underwhelming and the back seat is cramped. 37.3% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2020 Audi A4 reliable?

Owners rate it 4.5/5, a strong signal of long-term satisfaction.

The overview suggests a car that is well-rounded and usable, with a premium-feeling cabin and available all-wheel drive that can make it easier to live with in poor weather. For used buyers, the main long-term ownership risk is making sure you choose a well-kept example, since condition and maintenance history will matter more than the model’s broad appeal.

What should I look for when buying a used 2020 Audi A4?

At 67.9% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and confirm whether any prior damage was repaired properly. Put inspection priority on body condition, panel alignment, and signs of inconsistent wear, then make sure the cabin electronics and touch screen work as expected. Because this model’s appeal depends heavily on its premium feel and technology, condition matters a lot when you’re comparing used examples.

Is now a good time to buy a used 2020 Audi A4?

This is a moderate market, so you can be selective without expecting a deep bargain on every listing.

• Deal availability: 37.3% of listings are priced as good or great deals.
• Inventory: There are 498 listings available.
• Price trend: Prices have softened 8.81% compared with last year.
• Clean inventory: 67.9% of listings are accident-free.

If you find a listing below $19,938, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 Audi A4's resale value?

The current average of $19,955 sits slightly below last year's $21,883.

That softer pricing can help you buy more efficiently now, but it also means future resale will depend on how well the car holds buyer interest from here. A well-equipped A4 with strong condition, clean history, and desirable features should be easier to move later than one with visible wear or a questionable record. Because the market is already showing a lower average price than a year ago, preserving condition will matter if you want to protect value.

Vehicles with strong owner satisfaction ratings, like this model year's 4.5/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2020 Audi A4 or consider a different year?

If you're weighing the 2020 against nearby model years, here's how to think about it:

Choose the 2020 if:

• 37.3% of listings are priced as good or great deals.
• At 67.9% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 8.81% compared with last year.
• Owners rate it 4.5/5 — a strong satisfaction signal.

The bottom line: The 2020 Audi A4 is the right pick if you want the updated cabin tech, a premium compact sedan feel, and a market that currently gives you some negotiating room. If you’re especially price-sensitive, you may want to compare it with nearby years to see whether a lower-priced example offers similar equipment and condition, but the 2020 remains the better all-around choice if the updated interior and broader tech appeal matter most to you.

These recommendations are based on CarGurus' proprietary market data from October 13, 2026, CarGurus experts' opinions, and generative AI.