Used 2020 Audi A6 for Sale near Illinois

How much does the 2020 Audi A6 cost?

Prices have softened 12.71% compared to this time last year, making it a favorable time to shop this model year.

There are 486 listings available, which gives you a meaningful pool to compare prices and equipment.

Is the 2020 Audi A6 a good car?

Yes — 5/5 is a strong user rating for the 2020 Audi A6, and it fits a premium midsize sedan that feels thoroughly up to date. The overview points to a modern, tech-heavy cabin, standard quattro all-wheel drive, and a broad feature set, so you get a car that emphasizes refinement and capability. It also suits you well if you want understated luxury with strong connectivity and available driver-assistance tech. 37.7% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2020 Audi A6 reliable?

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

The overview suggests a well-rounded luxury sedan with standard all-wheel drive, a modern chassis, and a strong equipment list, all of which can support confidence in daily use. Its tech-forward design and broad feature availability also point to a vehicle built to feel current for years. For used buyers, the main long-term ownership risk is making sure the car has been maintained carefully, especially given its complex technology and available equipment.

What should I look for when buying a used 2020 Audi A6?

Accident-free inventory is solid at 75.3% — always verify the vehicle history report.

You should prioritize a history report first, then inspect the car closely for signs of prior damage, uneven wear, or neglected maintenance. Pay extra attention to the condition of the cabin technology and the overall operation of the electronics, since this model leans heavily on digital features. A careful test drive should also confirm that the car feels smooth, quiet, and consistent in everyday use.

Is now a good time to buy a used 2020 Audi A6?

This looks like a moderate, selective buyer’s market, so you can shop patiently but should move quickly on the best listings.

• Deal availability: 37.7% of listings are priced as good or great deals.
• Inventory: There are 486 listings available.
• Price trend: Prices have softened 12.71% compared with last year.
• Clean inventory: 75.3% of listings are accident-free.

If you find a listing below $21,598, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 Audi A6's resale value?

The current average of $21,598 sits slightly below last year's $24,745.

That price movement suggests the market has already adjusted downward, which can help you buy at a more favorable entry point. For a future seller, that also means resale value will depend heavily on condition, mileage, and how well the car has been maintained. If you keep the car clean, documented, and accident-free, you give yourself a better chance of standing out when it’s time to sell.

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

Should I buy a 2020 Audi A6 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:

• 37.7% of listings are priced as good or great deals.
• Accident-free inventory is solid at 75.3% — always verify the vehicle history report.
• Price trend: Prices have softened 12.71% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

Consider the 2019 if:

• At $20,933, the 2019 costs less than the current year's $21,598 average.
• It offers a newly redesigned luxury sedan with modern tech and a fresh cabin layout.

The bottom line: If you want the stronger current-market balance of price, inventory, and satisfaction, the 2020 is the better primary target. If your top priority is spending less up front, the 2019 is the smarter secondary path.

How does the 2020 Audi A6 compare to the 2020 BMW 5 Series?

These recommendations are based on CarGurus' proprietary market data from November 10, 2026, CarGurus experts' opinions, and generative AI.