Used Audi A6 for Sale near Signal Mountain, TN

How much does the Audi A6 cost in today's market?

Used Audi A6 prices span a wide range depending on model year. Here's what the market looks like right now:

The Audi A6's current nationwide average price is $26,530, and its lowest point over the past year was $21,988. Recently, prices have come down for the 2023, 2024, and 2025 models, making now a good time to shop recent model years.

Is the Audi A6 a good car?

Yes — the Audi A6 is a strong choice if you want a luxury sedan with broad appeal and a long-running reputation for comfort and technology. The all-generations owner rating is 4.6/5 across every model year in the data.

Owners consistently praise the comfortable interiors, powerful engines, and smooth handling. They also frequently highlight the A6’s premium feel, advanced technology, and confident long-distance driving character.

Expert reviews rate the 2019 and 2026 models among the highest across all years.

The main trade-offs that show up in expert reviews are the infotainment system, interior materials, and driving refinement. Those themes appear often enough that you should pay close attention to how a specific used example feels on a test drive and how its cabin and controls suit your preferences.

32.6% of listings are priced as good or great deals.

Are Audi A6 models reliable?

Owners and experts consistently praise the Audi A6 for its comfortable ride, strong performance, and upscale cabin experience. Across the model years, it also earns credit for blending everyday usability with premium features and a polished driving feel.

• Owners rate the Audi A6 between 3.9 and 5 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is best managed by checking service history carefully and focusing on well-maintained examples with clean records.

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

Across all model years, accident-free inventory is solid at 76.8% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2020 models.

Key things to evaluate:

• Safety package: adaptive cruise control, forward-collision warning, automatic emergency braking, rear cross-traffic alert, blind-spot monitors, traffic-sign recognition, parking sensors, and lane-departure warning
• Infotainment: standard wireless Apple CarPlay and Android Auto
• Fuel efficiency: EPA-rated 23 mpg combined (20 mpg city, 29 mpg highway)

Which Audi A6 trim should I buy?

The 2026 Audi A6 offers these trims:

• Premium: The base trim brings the 11.9-inch digital instrument cluster, 14.5-inch touchscreen, standard quattro AWD, and the turbocharged 3.0-liter V6 with 362 horsepower and 406 pound-feet of torque. It suits you if you want the core A6 experience with strong standard equipment.
• Premium Plus: This trim adds the park-assist system, adaptive cruise assist with automated lane centering, and a 360-degree camera system. It’s the best-value choice if you want the biggest jump in convenience and driver-assistance features.
• Prestige: This top trim adds adaptive air suspension, and it can be paired with the Sport Plus Package for rear-axle steering, a sport rear differential, and a lower ride height. It suits you if you want the most advanced chassis setup and the most upscale feel.

What Audi A6 do most buyers choose?

The Audi A6 years with the most listings are 2018, 2025, and 2019.

Higher-volume years tend to be popular because they give you more choices, more price spread, and a better chance of finding the right trim and condition. They also often sit near the sweet spot between newer features and used-car value.

What is the Audi A6's resale value?

Most model years are down year over year, which is good news if you’re shopping used because it creates more room for value. The steepest drops are concentrated in newer years, while older examples show smaller changes and a steadier price pattern. That makes the recent model years especially interesting if you want newer features at a lower entry point.

The 2016, 2015, and 2014 model years have held their value best, with the smallest year-over-year price changes.

Is the Audi A6 safe?

• 2026: 6/10
• 2019: 10/10

The 2026 A6 comes standard with adaptive cruise control, forward-collision warning, automatic emergency braking, rear cross-traffic alert, blind-spot monitors, traffic-sign recognition, parking sensors, and lane-departure warning.

For the safest used buy, the 2019 model posts the highest confirmed score of 10/10.

Should I buy a used Audi A6 now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −14.37% versus a year ago, and the 2024 model is at −18.38%.
• Deal availability: The 2025 model has 33.9% good and great deals, and the 2024 model has 35.3%.
• Sweet-spot year: The 2018 model has the most listings at a current average price of $16,167. The Audi A6 offers a refined cabin, comfortable long-distance manners, and a premium feel that suits everyday driving.

Consider waiting if:

• Powertrain/efficiency: The 2026 A6 uses a turbocharged 3.0-liter V6 with 362 horsepower and 406 pound-feet of torque, and it returns 23 mpg combined, 20 mpg city, and 29 mpg highway.
• Tech: The 2026 A6 brings a standard 11.9-inch digital instrument cluster and 14.5-inch touchscreen, plus standard wireless Apple CarPlay and Android Auto.
• Safety: The 2026 A6 adds adaptive cruise assist with automated lane centering and a 360-degree camera system on Premium Plus and Prestige trims.
• Starting price: The base A6 Premium starts at $65,395.

If you're buying used today, the 2018 model year offers the best mix of value and availability. If you want the latest tech and features, it may be worth waiting for the next model year's inventory to build up.

How does the 2019 Audi A6 compare to the 2019 BMW 5 Series?

The Audi A6 and BMW 5 Series are closely matched on paper, but the A6 carries a slightly higher used price and a smaller pool of listings. The BMW offers more highway efficiency and more inventory, while the A6 stands out with a stronger accident-free share in the data shown here.

These recommendations are based on CarGurus' proprietary market data from October 21, 2026, CarGurus experts' opinions, and generative AI.