Used 2021 Audi A6 for Sale nearChicago, IL

How much does the 2021 Audi A6 cost?

Prices have softened 10.77% compared to this time last year, making it a favorable time to shop this model year.

There are 248 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2021 Audi A6 a good car?

Generally — the 2021 Audi A6 earns a 4.25/5 user rating, which points to strong owner satisfaction for a used luxury sedan. Owners consistently praise the high-tech cabin, smooth driving experience, and confident performance in various weather conditions. The A6’s use-case appeal is strongest if you want a premium sedan with understated style, standard all-wheel drive, and a well-equipped, tech-forward interior. With 35.5% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2021 Audi A6 reliable?

Owners rate it 4.25/5, a solid signal of long-term satisfaction.

User feedback also highlights reliability and safety as part of the ownership experience, with many owners describing the car as dependable and trouble-free in everyday use. That said, some shoppers note wear-and-tear concerns, so a careful pre-purchase check matters. For used buyers, the main long-term ownership risk is ending up with a car that has been poorly maintained or has hidden damage history.

What should I look for when buying a used 2021 Audi A6?

Accident-free inventory is solid at 82.7% — always verify the vehicle history report.

You should prioritize a history report first, then focus on a thorough inspection of the car’s condition, especially signs of wear and tear. Because some owners mention past accident records and cosmetic or mechanical wear, it’s smart to pay close attention to panel alignment, interior condition, and service records. If possible, have a trusted mechanic inspect the car before you commit.

Is now a good time to buy a used 2021 Audi A6?

This is a moderate market for selective buyers, so you can shop with some leverage if you’re patient and compare listings carefully.

• Deal availability: 35.5% of listings are priced as good or great deals.
• Inventory: There are 248 listings available.
• Price trend: Prices have softened 10.77% compared with last year.
• Clean inventory: 82.7% of listings are accident-free.

If you find a listing below $26,202, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Audi A6's resale value?

The current average of $26,259 sits slightly below last year's $29,429.

That price movement suggests the market has already adjusted downward, which can make the car easier to buy now but may also limit near-term upside for a future seller. If you plan to resell later, your best protection is buying well and keeping the car in strong condition. A clean history and documented maintenance should help you preserve more value when it’s time to move on.

Vehicles with solid owner satisfaction ratings, like this model year's 4.25/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2021 Audi A6 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 35.5% of listings are priced as good or great deals.
• Accident-free inventory is solid at 82.7% — always verify the vehicle history report.
• Price trend: Prices have softened 10.77% compared with last year.
• Owners rate it 4.25/5 — a solid satisfaction signal.

The bottom line:

The 2021 Audi A6 is the right pick if you want a tech-rich, all-wheel-drive luxury sedan and you can find one with a clean history and strong maintenance records. If your priority is stretching your budget further, a nearby older year may be worth considering, but the 2021 remains the better all-around choice if you value the updated feel and are willing to pay for a well-kept example.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.