Used 2021 Audi A6 for Sale near Wisconsin

How much does the 2021 Audi A6 cost?

Prices have softened 11.92% compared to this time last year, making it a favorable time to shop this model year.

There are 256 listings available, which gives you a meaningful pool to compare prices and equipment.

If you find a listing below $26,283.29, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2021 Audi A6 a good car?

Generally — the 4.25/5 user rating points to a strong ownership experience for this model year. Owners consistently praise the high-tech features, smooth driving experience, and performance in various weather conditions.

That lines up well with the A6’s use-case as a premium midsize luxury sedan that feels modern, comfortable, and well equipped for everyday driving. If you want understated luxury with a strong technology focus and standard all-wheel drive, this model year fits that brief well.

With 34.0% of listings marked as good or great deals, you have a decent chance of finding a competitive example if you shop carefully.

Is the 2021 Audi A6 reliable?

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

The user feedback also points to reliability, dependability, and a trouble-free feel as part of the appeal, especially for buyers who want a car they can count on over time. That said, some owners mention wear and tear concerns, so condition matters a lot on the used market.

For used buyers, the long-term ownership risk is manageable if you focus on maintenance history and avoid examples with signs of neglect or prior damage.

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

Accident-free inventory is solid at 81.6% — always verify the vehicle history report.

You should still run a history report on every car you consider, even if the listing looks clean at first glance. Prioritize a pre-purchase inspection so you can check for wear, deferred maintenance, and any signs of past accident repair.

Focus especially on overall condition, because owner feedback suggests wear and tear can be a concern on some examples. A well-kept car with clean records is the safest path here.

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

This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you know what a fair deal looks like.

• Deal availability: 34.0% of listings are priced as good or great deals.
• Inventory: There are 256 listings available.
• Price trend: Prices have softened 11.92% compared with last year.
• Clean inventory: 81.6% of listings are accident-free.

If you find a listing below $26,283.29, 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 $26,292 sits slightly below last year's $29,851.

That price movement suggests the market has already adjusted downward, which can help you as a buyer now but may also limit upside if you plan to resell soon. For a future seller, the key is to buy well and keep the car in strong condition so you preserve as much value as possible.

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:

• 34.0% of listings are priced as good or great deals.
• Accident-free inventory is solid at 81.6% — always verify the vehicle history report.
• Price trend: Prices have softened 11.92% compared with last year.
• Owners rate it 4.25/5 — a solid satisfaction signal.

The bottom line:

If you want a used Audi A6 with strong tech, standard all-wheel drive, and a market that currently gives you some negotiating room, the 2021 is the primary year to target. If your main goal is stretching your budget, you should still compare nearby model years, but the 2021 stands out as the better balance of features, satisfaction, and current pricing.

These recommendations are based on CarGurus' proprietary market data from September 4, 2026, CarGurus experts' opinions, and generative AI.