Used 2021 Audi A6 for SaleNationwide

How much does the 2021 Audi A6 cost?

Prices have softened 12.03% compared to this time last year, making it a favorable time to shop this model year.

There are 245 listings available, which gives you a modest amount of inventory to compare.

Is the 2021 Audi A6 a good car?

Generally — the 4.25/5 user rating points to strong owner satisfaction. Owners consistently praise the mix of high-tech features and a smooth driving experience, and many also value its performance in various weather conditions and its safety-minded character. For you, that makes it a compelling choice if you want a premium sedan with a polished feel and broad capability. With 38.0% of listings marked as good or great deals, there is some room to shop selectively.

Is the 2021 Audi A6 reliable?

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

The owner feedback also highlights reliability and trouble-free ownership as part of the appeal, along with confidence in long-term use. That said, used luxury sedans can still vary a lot by maintenance history, so you should focus on service records and overall condition before you buy. For used buyers, the main long-term ownership risk is ending up with a car that has been worn harder than its mileage suggests.

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

Accident-free inventory is solid at 80.8% — always verify the vehicle history report.

You should start with a vehicle history report to confirm accident history and ownership background. Then prioritize a thorough pre-purchase inspection, especially if the car has higher mileage or signs of cosmetic wear and tear. Focus on overall condition, because owner feedback suggests that past accident records and wear can be important considerations on this model.

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

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

• Deal availability: 38.0% of listings are priced as good or great deals.
• Inventory: There are 245 listings available.
• Price trend: Prices have softened 12.03% compared with last year.
• Clean inventory: 80.8% of listings are accident-free.

If you find a listing below $26,262, 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 $26,263 sits slightly below last year's $29,855.

That decline suggests the market has already adjusted downward, which can help you buy at a more favorable entry point today. For a future seller, the softer pricing means resale value may depend more heavily on condition, mileage, and documentation than on model-year timing alone. Well-kept examples should still appeal to shoppers looking for a premium sedan with strong feature content.

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:

• 38.0% of listings are priced as good or great deals.
• Accident-free inventory is solid at 80.8% — always verify the vehicle history report.
• Price trend: Prices have softened 12.03% compared with last year.
• Owners rate it 4.25/5 — a solid satisfaction signal.

The bottom line: The 2021 is the better primary pick if you want a well-equipped, tech-forward luxury sedan and you can find one with clean history and strong maintenance records. If you are especially price-sensitive, a nearby year may be worth comparing, but the 2021’s combination of softened pricing and decent deal availability makes it a sensible target for shoppers who want value without giving up the A6’s premium appeal.

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